The men's race yesterday had multiple crashes, with several riders suffering broken bones. One guy broke both collar bones, another a shoulder.
The fastest I've ever gone on a bike was 48MPH (the hill n SR46 coming out of Nashville, heading north to Bloomington), and the pros will do 60-70MPH on some stretches of the Tour de France. Scary fast.
Yeah, the chicks were flying. Unfortunately Mara Evans (US) who was leading got caught the last 100 or so meters... ended up 4th.