Originally Posted by FigBug
The record for a sprint on the track is just under 46 mph. I can't imagine roadies go faster than that, unless it's a slight downhill.
The track record is for 200m for a solo rider who had to accelerate himself and maintain the speed for that distance. In a road sprint, a rider is accelerated by the pack and may maintain top speed for only 50 m. I'm certain the fastest road sprint is faster than 46 mph.