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@VeganCyclist Maybe! We all can go harder if we just shut off the brain right? (There's actually a study out there that attempted that. Most top world records were broken but the athlete's went so hard they could not walk the next day). Remember, FTP is a measure of 60min power. In cross, with the on and off nature plus the time not pedaling you're going to see lower FTP numbers. In this file Ryan's avg was 424 Normalized but 399avg. Normalized is the power he could have produced had his effort been steady with no spikes (Or with a relatively low Variability Index). His Intensity Factor backs up his Normalized number. The IF for this race was 1.09 If I recall. 1.0 usually represents 1H at FTP. By this you can see he is over his FTP had this been say, a Time Trial. It all adds up in the end! Hope this helps!
3 years, 2 months ago on Cyclocross Power: A Detailed Look into Ryan Trebon’s Watts
@american_biker Not likely! But I hope to share more. Long legged 'can' be a benefit but it's entirely based on how you create force. Leverage alone isn't the answer to more watts. You have to look deeper into pedaling mechanics, muscle composition on the repeatability of the effort. There are many long legged guys out there who can't sprint like we see in this file. I'd recommend doing some good force analysis with your power software to see where you fall in then reference that with past (or current) examples of these short hard bursts of power. You'll probably find some answers there.
@KurtPerham No sweat! See you in Bend?...
@KurtPerham@RussellStevenson Hi Kurt. That actually makes pretty good sense. This CX file was almost entirely on and off. If you recall the longest sustained portion of this course was under 60sec. If you factor in the 40min or so of Ryan's sprints you come up with about 50 min of riding over approx a 10 lap race (I can't recall exactly how many laps). Lastly, add in the time not pedaling (16% of the race or 1 lap's worth?) and we are coming close to the race time of approx. 60min. Basically, when Ryan stands on the pedals he's doing between 400-800w for a duration anywhere from 10sec-25sec. The 850 is a peak that showed up 120 times in the file. He did sprint 120 times "peaking" at about 850 nearly every time but averaging a bit lower. Maybe I could have wrote that a little clearer. I would have to go back and calculate each sprint to the exact avg. numbers but they are high, similar to his final attack of 850w avg. for 20sec. I'm planning a few more articles similar to this to help illustrate the up and down nature the we see in CX. Ryan's numbers are nuts! But everyone else's files will look pretty similar in profile. Hope this help!
Glad you all liked the write up! It's fun to write about as there is very little published data out there. More to come!
3 years, 3 months ago on Cyclocross Power: A Detailed Look into Ryan Trebon’s Watts