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SPR
SPR
4 Mar
4:03pm, 4 Mar 2025
47,206 posts
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SPR
V2 of predictor is supposed to be current shape, that's why it takes load (and the type of load) into account. I'm sure there is a bit of sharpening it can't account for but it's shouldn't be 1 min out for 5k imo.

My specific issue with V2 of the predictor was it was too slow though (by almost 2 mins for 5k and more for other distances) which has been corrected in V2.x.
AndyS
AndyS
4 Mar
4:54pm, 4 Mar 2025
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AndyS
My max HR is set correctly, it's a recent watch (Fenix 8), up to date software - but the predictor is ludicrously optimistic. (5k time is almost 10 minutes quicker than I can currently manage).
SPR
SPR
4 Mar
9:54pm, 4 Mar 2025
47,212 posts
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SPR
10 mins wrong should be impossible for 5k and must be some sort of record. VO2 Max calc must be coming out quite high?

I could explain the error in my calculations previously fairly easily as my 5k matched to a few seconds over 3 years of races then the new predictor adding load didn't think I was doing enough to hit those times.

I'll have more data on how the September update behaves after racing on Saturday although I think a summer of racing will be the best way to see how it performs.
SPR
SPR
4 Mar
9:55pm, 4 Mar 2025
47,213 posts
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SPR
Obviously that's how it performs for me.

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