Indoor vs Outdoor

When I was home at Christmas (at sea level) my brothers and I rode outside once, and my NP was 235 watts, which is pretty much bang on my FTP (we tend to have at each other;-)

Fast forward 2 weeks and I'm home (1300m above sea level) do an FTP test on Zwift, and it tells me 210w. Heart rates were pretty much the same (165bpm-ish).

Does this smell right?

Larry

Not out of the question. Often indoor testing gives different results. I've seen 20 to 30 watts variances from what was expected.
Use the indoor numbers for indoor training and outdoor for outdoor.

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Originally Posted by LarryA

When I was home at Christmas (at sea level) my brothers and I rode outside once, and my NP was 235 watts, which is pretty much bang on my FTP (we tend to have at each other;-)

Fast forward 2 weeks and I'm home (1300m above sea level) do an FTP test on Zwift, and it tells me 210w. Heart rates were pretty much the same (165bpm-ish).

Does this smell right?

Larry

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