RunThrough San Francisco at Crissy Field 5K, 10K & Half Marathon

RunThrough San Francisco at Crissy Field 5K, 10K & Half Marathon is held in San Francisco on November 7, 2026. The half marathon (13.1 miles) starts at 8 a.m., the 10K at 8:35 a.m. and the 5K at 8:45 a.m., on a waterfront route with views of the Golden Gate Bridge, Alcatraz and the bay.

The terrain is flat, which suits runners racing for a time as much as those who would rather take in the Marin Headlands and the city skyline along the way. Flat and scenic is a rare pairing in San Francisco, and it makes the half a sensible place to attempt a personal best: build for twelve weeks with a weekly long run and one session a week at goal pace. The 10K and 5K, starting later, are the shorter, sharper choices.