The course is a 3.37 mile loop with approximately 98% dirt fire trails. Total elevation gain on the loop is about 150 feet. An additional .42 mile loop will be available to run for the last hour of each timed event -- starting at hour 2 for the 3-hour runners, hour 5 for the 6-hour runners and hour 11 for the 12-hour runners.

Runners will enjoy panoramic vistas of the bay offering views of seven counties and about that many bridges.