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Forerunner 255 sudden drop in race predictions and DSW pace - no VO2max change

1329659
7 months ago

Four days ago my Forerunner 255 did a firmware update. Since then I noticed a sudden drop (from one day to another) in the race predictor of about 1 minutes faster each 5k (-1' in 5k, -2' in 10k, -4' in HM, so on). At the same time, the paces for easy runs in my daily suggested workout (DWS) changed to be 15"/km slower than usual. All those values have been almost constant (very slightly improving) in the last 3 months so the change is not really expected. My VO2max trend is not affected by this sudden change. Do you have explanation for that?

  • 0 7 months ago

    if you readed the announcement of the new version said this:

    Improvements to race time predictions based on fitness level and recent efforts.

  • 0 7 months ago in reply to Lewis

    I saw that but I’ve two questions then:

    - what was race time predictions based on until now? weren’t fitness level and recent efforts taken into account?

    - why my race time is improved (faster now) but my training “base” pace worsened (slower now)?

  • 0 7 months ago in reply to 1329659

    make contact with them, they can explain better than me about it, normally when race time is improved so the pace...