Are these maximum speeds accurate? (Inline Skating activity)

I've just started uploading inline skating activities to Strava. The maximum speeds seem improbable - 34mph in this case:

https://www.strava.com/activities/2365186577

I'm a compenent skater with some big wheeled ("3WD") urban skates but not a competitive speedskater. the 18-20mph maximum speeds I'm seeing on the main part of the activity seem credible but I'm not so sure about the ones >30mph, all of which seem to occur in a particular segment of the activity (and are associated with some slightly weird mapping artefacts).

Is there something going on with the GPS here, and if so is Strava not dealing with it properly?

There are NO other people uploading inline skating activities where I live (I can be KOm on every segments I create, ha ha), so I can't look at other people's for comparison..

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Opmerkingen

7 opmerkingen
  • Bad GPS data is causing you to teleport around 1 mile.

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  • Do you mean beteeen miles 1 and 2 in particular? Maybe not quite teleporting but it would make sense if the GPS signal was intermittent between those points..

    That stretch of path has quite steep banks (old railway line in cutting).

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  • Open the activity you linked in a desktop browser and use your mouse to hover over the portion of your activity right at 1 mile. You teleport between multiple locations. It is very obvious from the map where this occurs.

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  • I skate on a bike path that dips under a freeway and a few other roads. If there is decent wind, like over 7MPH at my back and I'm at a good speed when I hit the downhill portion I commonly go over 30MPH. I'm riding tri-skate 5" Hydrogen wheels.

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  • I skate on a bike path that dips under a freeway and a few other roads. If there is decent wind, like over 7MPH at my back and I'm at a good speed when I hit the downhill portion I commonly go over 30MPH. I'm riding tri-skate 5" Hydrogen wheels.

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  • I skated back in the golden days of inline skating, quit for 20 years, and am back at it. Skating into the 30 MPH range is not uncommon. Even with 76mm wheels in the old days I've been clocked near 40 on a few downhills. Not doing that anymore these days.

     

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  • David Burckhard - We're around the same age and I'm going to give you some advice I wish I had received. (As a point of reference I skate 70 miles a week). When I returned to skating I was skating a four 100mm wheel skate, and the stones and debris on the street still took me down. I had several bad falls, one that resulted in a separated collarbone. I then changed to three 125mm wheel skates and although nothing is foolproof, I seem to go over just about anything. I also trained myself to skate more on the backs of my skates so debris goes under easier. If you can, switch to 125mm tri-skates ASAP and don't for a minute think you can just avoid obstacles by looking for them.  Good luck!

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