Each event starts at a different time.
Marathon: 6:50 am. 5 loops and an additional 1.2 mile segment
10-Hour Challenge: 7:00 am and on the hour after that for 10 hours
6-Hour Challenge: 7:00 am and on the hour after that for 6 hours
3-Hour Challenge: 8:00 am and on the hour after that for 3 hours
25K: 8:00 am start. 3 loops and an additional .25 mile segment