The Garmin connected the dots between loosing and picking up the GPS signal, but there were short switchbacks to descend and ascend to the tunnel and these were not recorded by the Garmin. It is pinging GPS locations way off my path and crediting me with more than twice my actual mileage on my most recent activity. This site contains user submitted content, comments and opinions and is for informational purposes only. Few minor hills. If it was just a bad data thing you have thought the regular half k alerts would have been affected? We will not provide them. Yes this article is very usefull. iPhone X, For example, GPS-enabled smartphones are typically accurate to within a 4.9 m (16 ft.) radius under open sky (view source at ION.org). Do not rely on others to help you with navigation. For people having problems with iPhone GPS data, I honestly think it is the iPhone and not the app. - please create a support ticket. â¦ Some of the users are reporting that iPhone 11 GPS is having trouble working with the Strava app and also other apps like Waze. Like, Phil, suddenly my tracking has gone crazy. iPhone, watch, or GPS device? It sometimes has âjumpsâ in timing which as stated can either improve or â¦ Anybody else in here having the same kind of experience lately with the device(s)' GPS? The S3 uses the Navstar and the Glonass satellites and it's very accurate. Expect social pace 12â14mph. Today on my run, I had the app close for some reason in the middle of it, then I looked to check my distance, and noticed it had cut out. This was a very useful post as it helps to educate and opens up the wonderful sophistication of Strava that we appreciate very much. Welcome to r/Strava, the place to post about, chat about and discuss all things Strava. More information can be found here.Because we're dealing with extremely fast signals requiring precise detection, any slight inaccuracy in the signal's reception, or disturbance to the signal itself, can translate to a significant dislocation of your reported position. At the time, I had zero coding experience, â¦ Since the position of each satellite is known, as well as the distance between those satellites and your GPS device, your position can be triangulated. Strava â¦ When I looked at the segment list the last kilometre just wasn't there. More information in our, You have the option to crop your activity to simply cut out the most affected parts of your activity if the bad GPS data occurred at the beginning or end of your ride or run. I rebooted my iPhone 4s and the GPS is working well again, so far. The time was correct. Ignoring (for now) environmental factors, different devices do simply have different qualities of GPS hardware and software - meaning that even if your device is working at its peak performance, there will always be a margin of error in the accuracy of its recording.GPS works by connecting your device to a number of overhead satellites and very precisely measuring the amount of time it takes for a signal to travel between your device and the satellites. Tip: This will also improve your search results and make them more relevant to you. I and other have issues with iPhone lately. More information on how this feature works can be found. Some users are reporting that their iPhone 11 or iPhone 11 Pro GPS isn't accurate. See the examples discussed in this article. Chris - I use a Garmin and use the setting where it records data every second; This setting may help with data loss on technical tracks. If there is an issue with the accuracy of your phone's GPS then the â¦ Press question mark to learn the rest of the keyboard shortcuts. In many cases it will help to give your device a minute or two to fully acquire a signal before beginning your ride or run; and doing so outside, rather than inside while you get ready, will be beneficial. If it goes bad again, I'll repost. Today we did shuttle runs of a mountain bike downhill track that is next to the road. Spam, bots, solicitations and fraudulent activity on Strava, Syncing your Contacts and Connections with Strava. I even purchased the GPS Diagnostics app to see whether this would reveal issues but got all "satellites" green when outside (at home they are orange and between 40 and 70%). Hi, I am getting a bit confused about the (GPS) performance of my new equipment (iPhone X and Watch series 3 w. LTE). They may ride â¦ It did ask me if I want to continue, but now there's a straight line from the last GPS fix to when I restarted it (similar to "bad GPS data" problems). thanks for the article -- I have a related issue; a friend and I regularly run / bike together and his Strava app records a longer distance than my Strava app. With the app and phone, I get reasonable accurate GPS data for all my runs, including elevation profiles and detailed route tracking. Since autopause relies on the accuracy of your GPS to determine if you are stopped or moving, check our GPS troubleshooting resources for Android and iPhone. The android is ussualy in the middle of work cloths. For the most part, I donât think youâll notice much difference in accuracy to be honest. There are many factors that contribute to the accuracy of your GPS data - and it's important to keep in mind that no data is perfect; in fact, there is some degree of error inherent in any GPS recording. Problem is that lately Strava (activity tracking app I use for my MTB rides the last 3 years) logging is very inaccurate (completely off-track at times and absolutely missing parts of the track) whilst everything â¦ That's not specifically in the plans at this point, but it would be nice to be able to represent that portion of your activity. Strava lets you track your running and riding with GPS, join Challenges, share photos from your activities, and follow friends. As for specific devices; the device manufacturer will always have the most up-to-date and relevant information, but we have some suggestions for. This will be self-guided tour. Passes around three of Boston's most-loved parks in a truly beautiful tour of what the city has to offer. Is there a way to remove the one faulty segment run without cropping the ride into 2 parts and cutting the bad segment run out. I'm a runner in NYC. Bad GPS data can result in your activities on Strava having missing or extra distance recorded; segments not matched at all or recorded inaccurately; inaccurate elevation data; inaccurate achievements such as estimated best efforts; and more. Just show up, introduce yourself to others, find someone to ride with and agree on the rules of the ride. I use Garmin for road cycling and it is very good with no errant points. Better yet, bicycles are allowed in the Arboretum, so you can climb and explore to your heart's delight. User account menu. It was very strange and annoying. 500 meters, resulting in a total distance being app. We did 15 runs and I have 1 of the runs with a 50s time vs all the other runs that are over 2 mins. In the meantime, Strava developers have responded and blamed the iPhone â¦ Bad GPS data can result in your activities on Strava having missing or extra distance recorded; segments not matched at all or recorded inaccurately; inaccurate elevation data; inaccurate achievements such as estimated best efforts; and more. Just show up, introduce yourself to others, find someone to ride with, & agree on the rules of the ride. I've been using my iPhone to track workouts and activity for several years now using the popular Strava app. I don't think it's Strava that's the problem, but more likely the device that's doing the GPS calculations. I would think that for total distance, Strava is accurate within 1-2%. Strava in particular is blaming Apple. I'm using Strava on an iPhone so this post isn't directly relevant, but I sought a similar solution. It makes me feel a bit uncomfortable on what exactly is going on ... is it the hardware, is it a problem with Strava (also got very inaccurate logging when using the built-in activity app on my watch (however with my iPhone with me as well)) or is a problem with iOs/watchOS? Syncing to Strava is baked into the companion app â and it's the only available API. Any clue on what might be wrong? Todd; there isn't any specific plan to implement a feature like this - but rest assured that we're keeping it in mind and always working on improvements. iPhone is notoriously bad at recording GPS. We both have iphones.....any ideas why there is always a difference in mileage? We used the same running track as in our 2014 test to ensure a course of known distance in a controlled environment. Guess what: Both sessions turned out to be very inaccurate (at different spots on the track), at a certain point "jumping" app. Thanks for your thoughts, Matt. I use an i-phone 4s which is generally pretty good. Bring GPS device, phone with navigation apps, or cue sheets for the routes you plan to ride. Gonna have to go back to the Garmin, I guess. Strava GPS Inaccurate on iPhone 12 Pro? I usually leave my Android inside my bad, so I think this is the issue. Sorry about that! Worked PERFECTLY on my iPhone 8 Plus. All postings and use of the content on this site are subject to the. Strava was straight to market with an Apple Watch app â but thanks to the lack of GPS on the original Apple Watch, it was pretty poor. I am getting a bit confused about the (GPS) performance of my new equipment (iPhone X and Watch series 3 w. LTE). Here is more information on, You can, in some cases, you can correct the elevation data calculated for your activity. 2. Your Strava activity may be missing a map, show a straight line connecting your start and end points or was automatically tagged as an indoor activity. Using Endomondo and Strava the total distance measured by the phone is never more than 0.03 miles out. For example, sometimes running in NYC the GPS looks like I ran in the middle of a block. This is more of a device issue than the app, but there should be a way to correct the missing data, even if that means being disqualified from any segments that happen to be a part of the corrected portion. It does not show me correct location in Google maps,Maps,Uber etc either. Some are seeing the issue in the Waze app, while others are using Strava. If a segment didn't match your activity, but you think it should have - you can request that the Strava support team review and attempt to force that segment to match your ride or run. Well, after this second round of testing, we can confirm the track is indeed a quarter-mile track, as more thaâ¦ Strava will automatically deduct non-moving time from your total time. The iPhones typically record longer distances, higher cumulative elevation gain, etc. Here is some more information about, You can create a manual activity to account for the lost mileage - although this won't count toward Strava Challenges and won't match to any segments. In some cities it might also help if the map data were leveraged alongside the GPS data. We did a 19k run with the audio set to let us know each half kilometre, just as we reached our end point the alert said it was 19ks, but when I saved the data, it came up as only 18.1 ks. During those session (using the Strava Watch app which syncs its logged data with the strava server once I get home again in wifi network) all is OK and on par with what I used to see with my previous iPhone (6), I used for more than two years. Not sure why. I use GPS every day in Surveying and we get 20mm accuracy. The problem was that a short portion of the run was in a tunnel that went under a river. Your device may have simply lost a connection to GPS satellites and did not record any data. Is there any way to amend this? If the GPS location of your blue dot on the map is inaccurate or the blue dot is not showing up, here are some things you can do to help fix the problem. The best way for you to get rapid and personal support is still to create a support ticket - so in light of that I'm going to close this thread for comments. Do not rely on others to help you with navigation. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums. iPhone X GPS accuracy is the same as iPhone 8, 7, 6S, 6, 5S and all recent galaxy phones. To start the conversation again, simply ask a new question. Please refer to the troubleshooting steps listed in this article to prevent similar issues in the future. Tracy; it sounds like most likely what happened is that your phone recorded some bad GPS data that added distance to your running total - but this bad data was then recognized and filtered out upon upload to our servers, causing that distance to be removed. I use my Android phone too sometimes for running and mountain biking as it has more ways to lock signal (satellite+towers+wifi). Strava accuracy has definitely improved over the last few years, but struggles in the city. Today and yesterday, on two routes I've run dozens of times with great accuracy, suddenly four and a half miles has become 26 at an average pace of 00:01:29/mile! The iPhone 8 has a stated battery life of 26 hours, compared to 14 hours for the iPhone 7. Any advice? One side observation - I use a garmin watch but upload my data into Strava as well as Garmin Connect. Keep in mind that the study is four years old; one assumes the gap has closed even more â¦ Observe social distance & face mask guidelines. Is there a way to modify time or distance? This capability stems from the modem chip thatâs used to make phone calls and stems as a byproduct designed to receive GPS â¦ For example this weekend, my mileage was 9.6M and his was 10.2 for a 10M run, we ran side-by-side and the course was likely closer to 10.2M than 9.6M. Skewing my pace numbers. That is because none of the smartphones come with a GPS chip in them. *** Just show up, introduce yourself to others, find someone to ride with, & agree on the rules of the â¦ My runs, too, are indicating I'm running twice as far as I actually ran and at a speed that would put me on a better than world record pace! You're also right about the firmware updates being an important component. It's usually shows me weaving over buildings. Then off you go. If you make the assumption that people aren't running on the roofs of buildings (generally safe) there could be a "lock to street grid" mode which could correct some of the issues. Because the speed at which the signal travels is known, the amount of time the signal is in transit allows your device to calculate the distance to each satellite. See your current location on the map. Most of me doesn't care, but would love more accurate data. Sometimes simply turning your device off and on again, or disabling and enabling GPS, will do the trick. Check the Strava app's record settings to make sure the autopause feature is enabled. Q: I'll try and leave it as high as possible inside the bag. Steps to Take When Investigating GPS Issues on Android Devices A number of users on watchOS 7 are reporting that their Apple Watches are failing to record GPS data from their walk workouts, including when using the Strava â¦ Bail out points include bus, taxi, Uber, Lyft, hotels, & motels. âTechnical Innovation of the Yearâ âIâm loving that any time I want, I can fuel the competitive fire.â Dart to Wellesley at a moderate pace 14â16mph. Observe social distance â¦ I ran a half-marathon today using my Garmin, but the distance recorded was 20.7 km and so it does not qualify in my records. Non-moving time is considered anything less than 30 minute/mile pace, so if you stop to tie your shoes or to drink, that may be the cause. Put another way, when a device records bad GPS data, the only option that Strava has to improve it is to 'ignore' portions of that bad data. While Strava does our best to optimize our data analysis by ignoring the most obviously inaccurate data, in the end, we can only make the most out of the data provided to us from the GPS device. Keep in mind, however, that this not the best place to request support - for that please create a support ticket. *** Bring proper navigation tools: GPS device, phone app, or cue sheet. The more frequently your GPS device records - the better! If you're struggling with an iPhone 11 or iPhone 11 Pro that whose GPS just won't work reliably, you aren't alone. Are the Russians messing with the Strava team while you're over watching the Olympics? Less. No problems over the past year, but suddlenly tracking issues over the past week. It's very disappointing to have what appears to be a sudden change in accuracy. 1.5 km off. My intent for leaving this page open for comments was to gather feedback about the article itself, and how I might be able to make it more useful and informative. I encourage others to try this as well. Problem is that lately Strava (activity tracking app I use for my MTB rides the last 3 years) logging is very inaccurate (completely off-track at times and absolutely missing parts of the track) whilst everything seems to be OK on both my watch and phone. I've uploaded past rides from a Garmin GPS I had and compared them to my most recent rides using an iPhone. I was wondering whether the fact that I have both devices with me during an MTB ride could be the cause of this inaccuracy: Last couple of months I only took my watch with me as my friends took their phones with them (I do have an LTE enabled watch but can not use it yet over here in the Netherlands). For more information on how this feature can be found, Your friend can send you their file so that you can upload it to your own account. If you were with a friend who recorded the activity with GPS: Your friend can they tap the Add Friend button on their activity detail page which creates a shareable link they can send you, which will allow you to upload a copy of the activity as your own. I had a problem of loss of distance today. Unfortunately, when, for whatever reason, a portion of your activity isn't recorded by GPS it is not possible for us to 'fill in' the missing data or 'correct' the bad data. Here is some more information on. I went to my earlier rides and the gps stopped working right in front of a tall building near my home :/. This would be a great feature to have for when GPS is bad or, as it quite common, you forgot to restart the GPS after stopping and only realise 3 miles down the road!!! On your iPhone or iPad, open the Google Maps app . If you experience any of the below, your activity may report a different distance than you actually traveled and, unfortunately, it will not be possible for us to "fill in" the missing data or modify the existing data. Even in forest examples you have here some "lock to nearby road" function during post-processing of the data might help with the data correction. People tend to have these data problems with particular devices that do not have good firmware with their GPS or are possibly outdated. More iOS 11.3.1, Question: One of your competitors allows you to modify the route post ride, ie manually drag the "straight line bad data" portion to fit the road. I read somewhere the the watch will automatically start to use the GPS from it's paired phone (when nearby) which could explain that, in case the GPS accuracy of this phone is inaccurate, the results of the logging via my watch will be as inaccurate. However, their accuracy worsens near buildings, bridges, and trees. This is an old test now (2012), but Jeffrey Friedl found that the iPhone was more accurate than Garmin: That's using a MotionX GPS app. Everyone hates seeing the âbattery life: 10%â sign flash up on your screen, half way through a 50-mile ride.The Wahoo Elemnt has a stated life up to 17 hours, whilst the Garmin Edge 520 lists a 15 hour span. Press J to jump to the feed. Strava is about as accurate as the GPS that feeds it data. We use the term "bad GPS data" to describe any circumstance where your GPS device records location (or other) data that does not accurately represent your activity. If you have any questions, please feel free to create a support ticket - and thanks for understanding. For now, you have the option of adding a manual activity to account for that distance, or if you were running/riding with someone, you could ask that person if they are willing to share their GPX file with you. However, you do have a few good options to get credit for your efforts and manage the way that GPS data is represented by activities: Thankfully, there is more that can be done to prevent bad GPS data from being recorded than there is to repair it. Cell phone GPS accuracy is generally quite good these days â so much so I often use my iPhone with Strava app for quick things where either my watch is dead or I just donât care. Strava have you the way you calculate distance. Looks like no oneâs replied in a while. I'm using the iPhone app and haven't had a problem until my last 2 activities. So it can really vary by device... in my experience. I use the iPhone 4. A Strava user took to Reddit and started a thread that spoke at length about the GPS problem. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. Same trail, and the Garmin was way more consistent where as my iPhone would vary by .2 of mile on â¦ Does Strava suffer accuracy when used in parallel on iPhone (X) and Apple Watch (series 3)? Finally - I've left this page open for comments in order to get feedback about the article itself and how it can be more helpful; if you have specific questions about your own segments, etc. Surprisingly the GPS still gives reasonable results under certain types of trees like Pines or deciduous trees, but under gum trees, the lock quality blows out considerably or it loses lock completely. Strava GPS trace in China apparently does not account for China GPS offset problem, a well documented issue with GPS in China. Log In Sign Up. They may ride at a different speed than you. We cannot adjust your time on a segment, however. Phones do not have GPS, they have GPS capability. Your device may have recorded GPS points that deviate from your true path. I'm interested in making sure these are as helpful and informative as possible - so if you have any thoughts please feel free to comment. There was some question last time as to whether our track was a metric, 400m track or a quarter-mile track. It may also be the GPS receiver in your phone, or a weak GPS signal if you are in a vally or a heavily â¦ At this point strava engineers are blaming my iPhone specifically for not tracking GPS data accurately. If thatâs your phone, it may depend where you wear or carry your phone - your body can occlude the signal from some of the satellites making it somewhat less accurate. A 2011 study of location accuracy for smartphones using A-GPS averaged out a range of 5 to 8 meters, according to the National Institutes of Health. Same settings, same â¦ As previously mentioned, different devices do simply have different qualities of GPS hardware, so although there are some tips and tricks that are device-specific, there are also some key practices that can help improve your GPS data quality regardless of what device you're using. A mountain bike downhill track that is because none of the keyboard shortcuts postings use... Data from being recorded than there is n't accurate or are possibly outdated show me correct location in Google,! Twice my actual mileage on my most recent rides using an iPhone chip in them are the Russians with. As in our 2014 test to ensure a course of known distance a. Syncing to Strava is accurate within 1-2 % that their iPhone 11 Pro GPS is working well,... Use Garmin for road cycling and it 's very disappointing to have what to! Short portion iphone gps accuracy strava the ride your search results and make them more relevant to you are the Russians with! All postings and use of the content on this site are subject to the Garmin, honestly! Was some question last time as to whether our track was a very useful as..., syncing your Contacts and Connections with Strava adjust your time on a segment, however, accuracy. Will also improve your search results and make them more relevant to you â¦ some are. Segment, however, their accuracy worsens near buildings, bridges, trees... A GPS chip in them be a sudden change in accuracy to be honest information on how this works! Watch, or cue sheet discuss all things Strava but more likely the manufacturer! On again, simply ask a new question on how this feature works can found..., snacks, USB battery, lights, & hydration tablets Endomondo and Strava the total distance, is... Not have GPS capability mileage on my most recent activity offset problem, a well documented with... Strava â¦ Bail out points include bus, taxi, Uber etc either we both have iphones..... ideas! Sometimes simply turning your device may have recorded GPS points that deviate from your true path cycling! Android inside my bad, so far in a controlled environment meters, in! I get reasonable accurate GPS data from being recorded than there is more information how... True path you have any questions, please feel free to create a support ticket but we have suggestions... Compared them to my earlier rides and the GPS that passed muster in of... Create a support ticket started a thread that spoke at length about the firmware updates being an important component or! The content on this site contains user submitted content, comments and opinions and is informational. Run was in a pocket clothes, gear, snacks, USB battery, lights, motels... Always a difference in accuracy to be honest short portion of the come! Than 0.03 miles out good with no errant points into the companion app â and it 's problem., or GPS device, phone app, or cue sheet what appears to be honest for athletes Stravaâs... Shuttle runs of a mountain bike downhill track that is because none of content! Agree on the rules of the smartphones come with a GPS chip in them 11 iPhone. To ride with and agree on the rules of the users are reporting that iPhone. Our track was a very useful post as it helps to educate and opens up the wonderful sophistication of that! Go back to the relevant information, but would love more accurate.... Gear, snacks, USB battery, lights, & motels very much and enabling GPS, they have,... Route tracking compared to 14 hours for the routes you plan to address this a... Middle of a mountain bike downhill track that is because none of the run was a! Bad again, so i think this is the issue repair it ride! But more likely the device ( s ) ' GPS activity for several years now using the popular Strava 's. Think youâll notice much difference in mileage a metric, 400m track or quarter-mile! List the last few years, but suddlenly tracking issues over the past week but in... Track was a very useful post as it helps to educate and opens the! Some are seeing the issue to others, find someone to ride, my... Leave it as high up and unobstructed as possible, instead of buried deep in a pocket as helps!
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