#53: Cross Polar downloads
After putting the Polar CS600 on my road bike, I was left with an extra Polar speed sensor for my S720. So I put it on my cross bike. I have never known my speed while riding on my cross, now I can download a complete history.
Here is the curve from Nashville #3 (11/10/07):
Here is the curve from Outdoors cross (11/11/07):
The most interesting thing about these curves is the steady drop in heart rate due to fatigue. Cross is an intense sport, but your legs just can’t put out the watts near the end of the race and the heart rate (and speed) just start to drop lower and lower.
