[hinkley]

In cycling people are risking lifetime bans to get a 5 or 8% power advantage. Which is doubly amazing because speed goes up with the square root of power due to drag. I’d wager that 3% for a runner is a bigger deal than 6% for a cyclist.

[tylerhou]

Drag doesn't matter as much at higher levels of cycling, because teams will draft off one another to save energy.

[twic]

Not in the breakaways, which is where races are won.

[AtlasBarfed]

or time trials or climbing

[adrianN]

Shaved legs provide a small advantage in the Tour de France.