For people having problems with iPhone GPS data, I honestly think it is the iPhone and not the app. Galaxy Watch Strava not recording speed and distance. Sorry about that! Your device may have simply lost a connection to GPS satellites and did not record any data. New to this ecosystem. I use Garmin for road cycling and it is very good with no errant points. Here is more information on, You can, in some cases, you can correct the elevation data calculated for your activity. Due to an issue with iOS 14 and watchOS 7 outlined here, if you've recorded an outdoor activity w... UPDATE: Thanks for sticking with us as we sort out the problems we've been having with our app on... We’ve made some changes to the Strava subscription effective May 20th, 2020. MBT_Al. 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. On our group mtn bike rides, the iPhone users in our group regularly record data that is different from those with dedicated Garmin GPS units, which I trust as more accurate because they rely on USGPS and GLONASS satellite networks simultaneously and also have error correction such as WAAS, which improves accuracy to within 3 meters. 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. If it was just a bad data thing you have thought the regular half k alerts would have been affected? 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. If you have any questions, please feel free to create a support ticket - and thanks for understanding. The more frequently your GPS device records - the better! Set both working for a MBT bike ride. I use my Android phone too sometimes for running and mountain biking as it has more ways to lock signal (satellite+towers+wifi). Galaxy Watch Strava not recording speed and distance. Make sure your device is mounted/carried as high up and unobstructed as possible, instead of buried deep in a pocket. This was a very useful post as it helps to educate and opens up the wonderful sophistication of Strava that we appreciate very much. Here is some more information on. Spam, bots, solicitations and fraudulent activity on Strava, Syncing your Contacts and Connections with Strava. 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. 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. Your subscription will auto-renew unless canceled at least 24-hours before the end of the current... We take any fraudulent activity seriously at Strava and we work constantly to prevent such activi... Syncing Issues with Strava app for Galaxy watches. Set both working for a MBT bike ride. I rebooted my iPhone 4s and the GPS is working well again, so far. Does Strava plan to address this in a future release? I use an i-phone 4s which is generally pretty good. 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. 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 and other have issues with iPhone lately. 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. Consequently, environmental factors such as dense trees, steep hillsides, tall buildings, or even heavy cloud cover can impact or even interrupt the travel of the GPS signal between your device and the satellites. When I looked at the segment list the last kilometre just wasn't there. Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. 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. 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. - please create a support ticket. People tend to have these data problems with particular devices that do not have good firmware with their GPS or are possibly outdated. Not sure why. New to this ecosystem. 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. I had a problem of loss of distance today. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Highlight; Print; Email to a Friend; Report Inappropriate Content ‎18-03-2019 09:08 PM. Questions or feedback about this article? Gonna have to go back to the Garmin, I guess. Sometimes simply turning your device off and on again, or disabling and enabling GPS, will do the trick. iPhone is notoriously bad at recording GPS. No problems over the past year, but suddlenly tracking issues over the past week. Strava GPS trace in China apparently does not account for China GPS offset problem, a well documented issue with GPS in China. 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 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. 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. In some cities it might also help if the map data were leveraged alongside the GPS data. 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. Today we did shuttle runs of a mountain bike downhill track that is next to the road. Thanks for your thoughts, Matt. 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. 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! 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. Do your best to avoid environments that are always going to be problematic for a GPS signal such as canyons whether natural or man-made (think a city street lined by tall buildings); dense trees, etc. Keep in mind, however, that this not the best place to request support - for that please create a support ticket. We cannot adjust your time on a segment, however. Yes this article is very usefull. 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. You do not have permission to remove this product association. The time was correct. 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. I'm using the iPhone app and haven't had a problem until my last 2 activities. Is there a way to modify time or distance? Like, Phil, suddenly my tracking has gone crazy. 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. 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. The problem was that a short portion of the run was in a tunnel that went under a river. Visit our Blog to catch up on the latest Community news, tips for your Samsung products and much more! New Member ‎18-03-2019 09:08 PM. 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. I'll try and leave it as high as possible inside the bag. Why doesn't my segment effort appear on the leaderboard? 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. 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!!! Short version... Uninstalled Strava, re-installed, just done a test and works ok. Possible issue with two GPS apps being setup one after the other? 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. 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). For example, sometimes running in NYC the GPS looks like  I ran in the middle of a block. 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. Most notably, some f... A few weeks ago, we rolled out new algorithms to catch impossible efforts upon uploads. Your device may have recorded GPS points that deviate from your true path. 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. I use the iPhone 4. Installed Strava and a GPX Route Tracker. 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. We both have iphones.....any ideas why there is always a difference in mileage? The android is ussualy in the middle of work cloths. Strava have you the way you calculate distance. 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. Your Strava activity may be missing a map, show a … 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. So it can really vary by device... in my experience. 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. Are the Russians messing with the Strava team while you're over watching the Olympics? Your device may have simply lost a connection to GPS satellites and did not record any data. See the examples discussed in this article. 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