Get ready to explore roughly 3.37 miles of beautiful dirt fire trails (we're talking 98% dirt!) with a manageable 150 feet of elevation gain in San Pablo, CA. If you're running the longer timed events, you'll have the option to add an extra 0.42-mile loop during the final hour to keep things interesting. As you cruise these scenic trails, you'll be treated to stunning panoramic views spanning seven counties and their impressive bridges!