Originally Posted by
dougmc
You can get the speed of a cyclist with radar -- after all, those things they put on the side of the road that go "are you speeding?" and give your speed pick up bicycles just fine.
I usually sprint for those, but I'm not sure they use radar. The other day I saw one, but it never registered my speed. A waste of a good sprint, and it was at the bottom of a mountain too...