I'm a cyclist who suffers from severe migraines, which is why I initially purchased a ROAD iD. Sometimes, when I get a full blown migraine, it can look really bad.

I was recently on a 40 mile ride in Phoenix when I stopped to get a drink. The next thing I know, I'm in an ambulance on the way to the hospital.

This past year, I was participating in the Marin Century with my son and grandson. About halfway through the ride, I was cut off by another cyclist and went down hard.

I have been a triathlete & marathon runner for over 3 years, and I always wear my ROAD iD. While out for a ride recently, I accidentally rode over a big patch of black ice. I went down very har...