[matsemann]

I don't buy your comparison with bolt. This is just a video showing someone exploding? Happens all the time. They're riding at the limit for long, and then when one can't handle it anymore the difference is stark.

[bjoli]

Boonen said himself that he was having no issues there. You could probably find that hill and estimate their watt output.

I wouldn't be surprised if Cancelaara is in excess of 1400w for short parts of that hill.