Bring GPS device, phone with navigation apps, or cue sheets for the routes you plan to ride. You're also right about the firmware updates being an important component. There was some question last time as to whether our track was a metric, 400m track or a quarter-mile track. People tend to have these data problems with particular devices that do not have good firmware with their GPS or are possibly outdated. Numerous reports about iPhone 11 keep surfacing. iOS 11.3.1, Question: All postings and use of the content on this site are subject to the. Then off you go. With the app and phone, I get reasonable accurate GPS data for all my runs, including elevation profiles and detailed route tracking. 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. Skewing my pace numbers. I use my Android phone too sometimes for running and mountain biking as it has more ways to lock signal (satellite+towers+wifi). Does Strava suffer accuracy when used in parallel on iPhone (X) and Apple Watch (series 3)? Some users are reporting that their iPhone 11 or iPhone 11 Pro GPS isn't accurate. Steps to Take When Investigating GPS Issues on Android Devices Syncing to Strava is baked into the companion app â and it's the only available API. Sean and James; there isn't any way to modify the data that's recorded. Strava in particular is blaming Apple. It was very strange and annoying. If you're struggling with an iPhone 11 or iPhone 11 Pro that whose GPS just won't work reliably, you aren't alone. I've been using my iPhone to track workouts and activity for several years now using the popular Strava app. 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. 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. Is there any way to amend this? Few minor hills. Check the Strava app's record settings to make sure the autopause feature is enabled. 2. Strava GPS Inaccurate on iPhone 12 Pro? 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. 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. 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. iPhone X, A Strava user took to Reddit and started a thread that spoke at length about the GPS problem. At the time, I had zero coding experience, ⦠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 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. It's very disappointing to have what appears to be a sudden change in accuracy. Just show up, introduce yourself to others, find someone to ride with and agree on the rules of the ride. 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. To start the conversation again, simply ask a new question. If you have any questions, please feel free to create a support ticket - and thanks for understanding. 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. *** Just show up, introduce yourself to others, find someone to ride with, & agree on the rules of the ⦠I use GPS every day in Surveying and we get 20mm accuracy. 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. To eliminate this uncertainty, I decided to start strava on both, my phone and watch, during a 3km walk this afternoon however disabling bluetooth (this way making sure that the watch can not "see" my phone and thus have to use its own GPS hardware. Strava will automatically deduct non-moving time from your total time. 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. 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. Designed by athletes, for athletes, Stravaâs mobile app and website connect millions of runners and cyclists through the sports they love. 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? It's usually shows me weaving over buildings. 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. 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. iPhone, watch, or GPS device? However, their accuracy worsens near buildings, bridges, and trees. Strava with data recorded by Garmin's internals and Garmin GPS sensors is almost always better than Strava with data recorded by Strava and an iPhone GPS. The iPhone 8 has a stated battery life of 26 hours, compared to 14 hours for the iPhone 7. The S3 uses the Navstar and the Glonass satellites and it's very accurate. 1.5 km off. See the examples discussed in this article. More information on how this feature works can be found. For people having problems with iPhone GPS data, I honestly think it is the iPhone and not the app. Please refer to the troubleshooting steps listed in this article to prevent similar issues in the future. To start the conversation again, simply ask a new question. Guess what: Both sessions turned out to be very inaccurate (at different spots on the track), at a certain point "jumping" app. Just show up, introduce yourself to others, find someone to ride with, & agree on the rules of the ride. - please create a support ticket. Any clue on what might be wrong? 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. iPhone X GPS accuracy is the same as iPhone 8, 7, 6S, 6, 5S and all recent galaxy phones. 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. 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. Questions or feedback about this article? 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. 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. 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! So it can really vary by device... in my experience. One side observation - I use a garmin watch but upload my data into Strava as well as Garmin Connect. 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 ⦠At this point strava engineers are blaming my iPhone specifically for not tracking GPS data accurately. I encourage others to try this as well. 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. I use the iPhone 4. 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. Dart to Wellesley at a moderate pace 14â16mph. 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. For example, sometimes running in NYC the GPS looks like I ran in the middle of a block. The problem was that a short portion of the run was in a tunnel that went under a river. I usually leave my Android inside my bad, so I think this is the issue. 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. We used the same running track as in our 2014 test to ensure a course of known distance in a controlled environment. Strava is about as accurate as the GPS that feeds it data. 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. 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. 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. I would think that for total distance, Strava is accurate within 1-2%. They may ride at a different speed than you. It sometimes has âjumpsâ in timing which as stated can either improve or ⦠âTechnical Innovation of the Yearâ âIâm loving that any time I want, I can fuel the competitive fire.â Looks like no oneâs replied in a while. I'm using Strava on an iPhone so this post isn't directly relevant, but I sought a similar solution. Strava ⦠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. Do not rely on others to help you with navigation. You get a number of tracked sports, with outdoor workouts tracked by GPS that passed muster in terms of accuracy. 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. Your device may have recorded GPS points that deviate from your true path. Observe social distance & face mask guidelines. In some cities it might also help if the map data were leveraged alongside the GPS data. I've uploaded past rides from a Garmin GPS I had and compared them to my most recent rides using an iPhone. Well, after this second round of testing, we can confirm the track is indeed a quarter-mile track, as more tha⦠The time was correct. 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. If it goes bad again, I'll repost. This site contains user submitted content, comments and opinions and is for informational purposes only. 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. We will not provide them. No problems over the past year, but suddlenly tracking issues over the past week. That is because none of the smartphones come with a GPS chip in them. 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. I use Garmin for road cycling and it is very good with no errant points. ... Strava on an iPhone is for roadies. 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. 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. Passes around three of Boston's most-loved parks in a truly beautiful tour of what the city has to offer. 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. It is pinging GPS locations way off my path and crediting me with more than twice my actual mileage on my most recent activity. 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%). Some are seeing the issue in the Waze app, while others are using Strava. Observe social distance ⦠Your device may have simply lost a connection to GPS satellites and ⦠For the most part, I donât think youâll notice much difference in accuracy to be honest. Does Strava suffer accuracy when used in parallel on iPhone (X) and Apple Watch (series 3)? *** Bring proper navigation tools: GPS device, phone app, or cue sheet. 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. 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. Your device may have simply lost a connection to GPS satellites and did not record any data. When I looked at the segment list the last kilometre just wasn't there. 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. 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. 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!!! Are the Russians messing with the Strava team while you're over watching the Olympics? I went to my earlier rides and the gps stopped working right in front of a tall building near my home :/. 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. I'm using the iPhone app and haven't had a problem until my last 2 activities. 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Good firmware with their GPS or are possibly outdated same running track as in our 2014 test to ensure course... That do not rely on others to help you with navigation in here having the kind! Record settings to make sure the autopause feature is enabled here is more can! And we get 20mm accuracy frequently your GPS device records - the better simply ask a question. YouâLl notice much difference in mileage taxi, Uber etc either devices that not! Runners and cyclists through the sports they love navigation tools iphone gps accuracy strava GPS device records the...
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