Official Daytona Beach website:
www.daytonabeach.com/Daytona Beach is lots of fun. If you like to go when it's not crowded, you have to schedule your stay during a non-event period. If you like lots of people and activity, schedule your stay during an event. Your hotel will know what events, if any are scheduled.
Here's a link to the race history, and original track:
en.wikipedia.org/wiki/Daytona_Beach_Road_Course