Upcoming races with 100K distance in California. Use filters to quickly find races by month, city or race type.
More races:ย USA running calendar
Date Race Distance Location hf:tax:monthandyear hf:tax:city hf:tax:typerace 01/25/2025 Sean O’Brien Trail Runs 100K, 26.2M, 30K, 50K, 50M Calabasas CA 01-january calabasas-ca trail 02/22/2025 Sycamore Canyon Trail Race 100K, 13.1M, 50K San Diego CA 02-february san-diego-ca trail 04/12/2025 Leona Divide Trail Runs 100K, 100M, 30K, 50M, 55K Lake Hughes CA 04-april lake-hughes-ca trail 06/14/2025 Cool Moon 100 Mile Endurance Run 100K, 100M, 11.5M, 13.5M, 25M, 50M, 5K Cool CA 06-june cool-ca trail
