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Correct and Edit bad GPS points in an Activity

Occasionally I've had problems with my cycling GPS data, and have been getting spikes and spurious readings which result in strange route fits, and miscalculation of actual distance traveled (usually overestimated). Are there any plans to allow for manual pruning or manipulation of bad GPS data points by the user, thereby allowing Strava to "fit" the route more closely to the actual ride? Obviously, my phone is the culprit for the bad data, but it would be really useful to have the ability in Strava to either 1) remove/edit the wonky GPS points, and/or 2) to fit/nudge the route manually to existing roads on the map when the route is not properly tracked. 

I've heard that other cycling apps can do this, but I don't have any experience with these. I think it would be very helpful for those of us who want our Strava logs to reflect our actual mileage :) I realize it's probably easier said than done, and of course this would effectively kill any segment stats in the affected area. But since I use Strava mostly for mileage and mapping, and less for segments (though I do use and enjoy these), I wouldn't be as concerned about the effects on the segment calculations. 

Anyways, thanks for considering this. Keep up the good work!

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  • Yeah, that cropping thing is not really new.  Maybe they improved it but it was certainly there since I started following the topic in spring 2016

     

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  • Being able to crop beginning and end points has been a feature for as long as I can remember now.  I regularly use it when I've forgotten to stop Strava at the end of a run,  But six [now!] years on from the initial post, we still can't edit intermediate points such as when Strava thinks you've run straight across a lake or through a mountain.

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  • Come on Strava about time you started to allow bad GPS edits. During lockdown i have done the same walk for the last few days each time My watch starts my walk in different places just the ability to Snap to roads\footpaths would be a Start. 6 years and you have been overtaken by Under Armour as they have had features like this for years 

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  • Please consider adding a map editing option, to be able to edit when the GPS is off. Like in this map the two straight lines are incorrect!!!

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  • bump bump on the issue.....see the image and how it spikes out. Last one I had to split it into 4 segments, re-import them, crop them, then merge them into one. I only did it to see what to do. I will not be doing that again. 

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  • Also another bump bump bump for this. Always having things like the examples above in my rides (see my example below from today). Really want to be able to correct these GPS failures.

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  • I noticed that mine had the battery saver warning on when this happened. did anyone else notice that ? 

    or do you notice it repeat in certain areas ?

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  • In 2014 you told us you would consider this for "a later time". Does this mean the next generation of people on the planet, or maybe can we have the privilege of enjoying this feature in our lifetime?

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  • +1:  I love strava but this is super frustrating.

    If there are no plans to edit the gps data - could we get something that removes PRs?  All my PRs are from bad gps data. 

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  • This functionality (snap to roads) used to be available at raceshape.com, but afaik strava bought that out in 2016, and shut it down. Maybe strava will get their act together again some day, but as it stands, strava is just a ghost ship resting on its laurels.

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  • +1 for Patrick Foley's suggestion of being able to remove PRs. All my PRs are bogus from trip ups in the GPS.

    Runkeeper has a function that allows the user to edit activity routes. I switched over to Strava to be with my pals but if the map is junk then I'm less interested. Would be great if it could be implemented. Cheers.

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  • I've commented on this before. I think I even posted a screenshot of one of my runs. I don't care about what the company is or isn't doing about it; I'm focused strictly on results -- what the app does. I just want to see the app fixed.

    I've bounced back and forth between Strava and MapMyRun over the years, depending on who I was running with. MapMyRun doesn't appear to have this problem. I still have my MapMyRun account, and I will go back to MapMyRun if Strava can't get this fixed in the next few months.

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  • My solution at the moment is to use Runkeeper for the run.  I find it is a lot less buggy when it comes to the numbers, and the ability to edit the map is literally essential for anyone remotely interested in accuracy.  I then export it as a file, and import it into Strava.  Runkeeper is good for running, Strava is good at social.  If either company fixed their shortfall that the other company fulfilled, they'd gain the market.

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  • Third day of using Strava and I get a huge spike due to a bad point. I follow the links in my app to report bad data and it tells me ... thanks for the feedback. No way of actually sorting out the bad data.
    I find this thread and discover that this has been a known problem for SIX years with nothing being done about it other than supplying platitudes. I shall know not to waste my money on a premium sub. At least this thread has identified alternative apps that do allow editing of bad data.

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  • My favorite yet.  While texting on a break in the ride apparently I crossed the river over and over. I don't remember, but it must have happened as I sat on a wall only moving my upper body, mostly thumbs.

    A handy app to keep track of things for the most part. Like others, would not purchase premium with this occasional funky GPS tracking nonsense.

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  • Just another bump in this thread.  +1 to allow users to edit out bad track points.

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  • I'd like to bump this as well. I have some old activities where the GPS jumped a bit in between high mountains -- I really wish I could correct this, so my own records would be correct.

     

    100% okay is a manual correction (not "snap to segment") meant that the activity would be ineligible for awards, etc.

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  • Apparently I was running across the river over and over while I texted my son while taking a break.

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  • Crispin Can you at least tell us why this isn't a planned feature?  Users clearly find this a frustrating issue, and the response each time from Strava has been equally so.  If we understood why Strava doesn't plan on improving the app, I think people would be more understanding and you can put this issue to bed.

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  • I cancelled my summit as a protest until they fix this

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  • I love the new ziplines that have been put in in my area, that let me sail across the valleys at up to 900km/h.

    Without being able to edit this activity, it's completely useless, I may's well just delete it.

    Yes, an 'edit activity route' could be open to abuse. But if I was going to lie, I'd just drive the route or use an e-bike or give my phone to a faster runner Way easier ways to cheat than going to the trouble of editing your route.

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  • Damn it, Strava... please allow us to fix broken activities. 

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  • Hi all, during this quarantine I have spent some time developing a web-based interface for editing GPX files.

    You can find it at https://gpxstudio.github.io, you can use it to :

    - Import GPX files

    - Draw new routes

    - Edit traces

       * Move, insert and delete points (less or more points depending on the zoom level)

       * Cut from the start or the end

       * Change the starting time of the activity

       * Change the average speed of the activity

    - Combine and export multiple traces in the chosen order and respecting time precedence constraints (if any time data)

    - Preserve and automatically extend heart rate, cadence and temperature data

    I hope it will help some of you solve your problems, cheers!

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  • Vianney Coppé  That is a really slick tool but letting people change there average speed?  That is just opening Strava up for abuse.  People will use it to cheat.  I was tinkering with it and it is way too easy to "Strava Dope" Maybe you could take that feature out? It did seem to leave a few artifacts so people could probably flag rides if they noticed something suspicious.

    Otherwise, very nicely done! I had to convert my FIT to a GPX to try it out.

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  • Vianney Coppé great work! thank you! it allowed me to delete a couple of wayward GPS points and now the route follows the road!!! thanks again

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  • If the concern is "cheating", why not allow editing but make edited activities ineligible for top 10 in segments? Many of us are looking for an accurate recording as opposed to competing for KOMs.

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  • As a further wrinkle to all of this, I've found that the map normally looks fine when I'm doing the activity, but then the random GPS spikes pop up when I upload it. This is extra frustrating to me because it seems to me that Strava is capable of recording the data at least vaguely correctly.

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  • Hmm - another me-too post. Assumed I just hadn't found the right option in the GUI - pretty horrified to see Strava have been kicking this can down the road for literally years.. I too will be dusting off runkeeper and/or mapymyrun.. i can live without the social meeja integration. For me, accurate mapping and distances are central..

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  • I would like this feature as well.

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