Wrong Activity Type Detection

We have segments that are along a popular bike and run section ( beach front ). A lot of bikers set the activity type to run when in fact they biked, this gives them world record breaking times on these segments. It seems like it should be VERY VERY easy to switch activity types on activities that significantly beat world records.

 

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24 commenti
  • Commento ufficiale

    A few things to mention on this topic. 

    - Some devices, like Garmin, upload with a set activity type. For example, any Garmin Forerunner device will upload to Strava with a Run type tag because it is a running watch. If the device is used for cycling, the activity must be manually changed by the user.

    - We have some basic thresholds set to automatically flag an activity listed under the wrong category (for example a ride listed as a run). The automatic flag removes all segment achievements and times from the leaderboard until the activity type is changed. 

    - We depend on our community to keep segment leaderboards fair by using the activity flag tool, available on the website.

    We hope to improve our automatic flag feature to catch more bad data in the future. It's not clear at this time when our team will be able to take on this project. 

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  • Part of the problem might be faulty activity-type detection. I had Garmin sync’ing into Strava, and even though I’ve marked the activities there as running, hiking, paddling, and cycling, they always get imported as running. Possibly it’s because I used a Forerunner to track all of them, which causes Garmin to default to running, as well. As much as I would like to think I can do 46 miles at 5:04 min/mile by foot, I’d rather the record be accurate. Since I have no desire to entire the information twice, I disabled the Garmin–Strava connection.

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  • Why is this still not implemented...???

     

    Really annoying that you have to flag a run everytime someone accidentally didn't change the activity type after a bike ride (for example).

    How the * is strava not able to detect this. If someone sets multiple world records, perhaps you shouldn't include it in the statistics... Or at least Congratulate the guy/girl with their World Record!

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  • What is the status of this issue? Is there some action from Strava? Really anoying this one..

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  • I wish they'd fix this.  I'm about to cancel my premium subscription.  I use a Garmin Fenix 3hr now for almost everything and it automatically synchs through my phone and strava turns everything I do into cycling when I'm really doing running, strength training, etc so it makes the data useless.  For awhile I stopped using it hoping it would fix itself but it seems pretty obvious that this is a big issue they need to focus on.

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  • Have the same issue with Vivofit. Strava changes uploaded activity type into cycling when Garmin Connect correctly displays it as 'Other'.

    Curiously this fake cycling sessions even take some attributes from the latest genuine cycling activity. It displays 'Stationary Trainer' in Strava activity caption. Insane. 

    So my Strava dashboard is going to be flooded with fake biking sessions if I don't find a way to sort this out.

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  • Really wish this problem is solved soon.

    Some people keep choosing the wrong activity and keep 'running' world records on their bike. It's annoying to continuously having to flag them.

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  • This needs to happen. Probably in a way that it suggests to switch the activity type to cycling instead. Also, the activity should stay private or at least unlisted and not affect the segment leaderboards until it's reviewed.

    There's actually a few options to detect cycling instead of running:

    - Pace is too linear for running
    - Pace is at or below world records
    - Pace differs way too much from users' usual pace

    Just to name a few... :)

     

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  • Why not just have Strava alert the user that the activity type appears to be incorrect so they can correct it themselves. My Garmin 620 only allows ride and run as activities, but it is easy to manually change the activity type in strava, for example, to Nordic skiing. Occasionally I forget and I would appreciate an alert.

    Any world record pace time within a run (typical for even a novice biker or Nordic skier) could alert the user to check the activity.

    This is obviously less of an issue for biking but Strava would be wise to try and maintain their paying running subscribers.

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  • I just cannot get get my fenix3 to garmin app to Strava to have default as Ride (It is always set as workout now). So I don't get achievements shown as well. Don't know why this is happening, it used to work perfect. Not so anymore!

    Now I need to go into Strava web and update for achievements etc. WHY???

    How to fix? Anyone?

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  • Glad to see I was the only one thinking about it.

    Sadly has been a long time since the first idea, and till now, no results.

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  • Interesting to see that there is absolutely no reaction from Strava regarding this issue. Not a good way to handle customer feedback. Especially with an issue that affects the fun factor of Strava in such an annoying way.

    Please Strava say something..

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  • Elle Anderson,

    Please, take a look at this simple example:

    https://www.strava.com/segments/8546780

    All results shown on the first page should be flagged! Imagine this work for every segment worldwide?!

    It is not a hard work to find auto flag as a wrong activity to clear errors. We really need this feature to keep Strava fun and useful.

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  • I have one of those Garmin running watches that automatically uploads everything as a run. It's really annoying! If I do one sub 5:45 minute mile then it should automatically be a bike ride. I wish there was some logic like that! Annoyingly this month I entered the complete a half marathon this May and even though I changed my logged run to ride. I've been congratulated for achieving this goal n now I can't undo it!!!

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  • This needs to be fixed. I'm getting multiple notifications per week saying that one of my course records (running segment) is broken with a difference of over 60 seconds, while my CR stands at 1:29 (equaling 3:02/km pace). What is happening here? The segment is next to a speedway, and people forget to turn of their watches while they are driving! They are reaching speeds of over 100km/h, how difficult can it be to check that when the activity is being uploaded? I'm really getting annoyed with having to flag these people multiple times per week. Please fix this Strava. 

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  • I'm not sure what it means "automatically flag" in official comment.

    Since I could see some activity is very wrong ex:
    https://www.strava.com/activities/1584371575/

    distance > 2400km and cross the ocean .......

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  • For runs, the activity check could be quite simple by using world records for instance.

    Automatically flag a run activity if 1km is faster than 2'10'', same if 5k faster than 12'35'', etc.

    Most of the time, I get a notification for a CR lost and when checking the activity, I see some km faster than 2min which is obviously and without a doubt impossible.

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  • If its true that you have an "automatic flag feature", it must be written by a monkey. Im a programmer myself and setting rules to detect things like wrong activity type should be super easy. Like the one linked above, with 2400km and cross the ocean. But also more normal errors like the one I flagged today: https://www.strava.com/activities/1631795026. I flag "runs" like this every week. Should be unnecessary if there was an "active automatic flag feature" enabled...

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  • Really annoying that they don't fix this. We got that nice ~800m segment (https://www.strava.com/segments/11481446) where there's over 500 people, but recently, one guy topped all other athletes with ridiculously fast paces (about 2'20''/km), when in fact he was biking. I checked the activity, flagged it and noticed the athlete so that he could change the activity type. As soon as I had flagged it, another of his biking activities took the place. Seems like he recently uploaded all his past (2012-2013) activities at once, and consequently flooded biking activities into the wrong category. Been flagging at least 15 of his activities, and another pops up immediately. He doesn't answer to my messages.

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  • How do we report a member on the challenges when they have an account that is 'request to follow' only? There are several people who are clearly cyclists but way up the leader boards on the January climbing RUN challenge. There seems to be no way to get this looked at. I've gone to some of the user profiles and they are apparently running something like 300+ miles per week!

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  • There should be a function built into the leaderboards for the segments and challenges that automatically detects a bike ride; for instance, when world records or near them are broken. Or ridiculous weekly mileage for a runner. Anything over 150 miles should be questioned.

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  • Honestly I’ve stopped bothering with leaderboards and challenges, which are Strava’s main draw for a lot of people. This laissez-faire attitude of telling us to police ourselves simply isn’t sustainable or scalable, which is particularly sad given that some very rudimentary checks listed in this very thread (eg. someone running 5 miles in 15 minutes) would get rid of the vast majority of cheaters.

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  • Folks, they really don’t care on this. 

    So, Strava staff, just let us flag without been unable to, after dozen flags given to bikers over running activities. 

    I do both run and bike, and it’s not hard to see people using the app on wrong sports. Flagging people would be nice too. 

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  • Here’s a good example of Strava’s automatic flagging hard at work:

    https://www.strava.com/activities/259789356/segments/60032954846

    This segment is part of a 5k that’s run on an airport runway, but people evidently start Strava while on an actual airplane. Strava happily obliges, granting them a course record for “running” at a casual pace of 33s/mi.

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