Oh several and raced in a couple too. In one I had worked really hard that day and was really tired. It started around 5pm. It was over a divide and I was crawling up. I knew the ride and when I got to the last uphill I tried to kick it up. I passed a lot of people, a lot were walking because it was the steepest section. I took good speed over the rim and into the downhill still passing people. Then I hit a rock real hard that twisted my headset and my front well collapsed. I slid about 30 feet down the trail. I was really scraped up. The racer number that was pinned to my shirt got pinned into my chest. I bruised my right arm really bad and I though at the time it was broke. To I ended up doing the downhill half of the course real slow, and barely holding my handlebars with me right hand because I couldn't take the pains of the vibration.
The other place was a hillclimb on a place closed to biking so it was a little odd not to know what it would be like. I beat all of my friends so in a sense I won.
TNP.............Have you ever raced a car?