Upcoming ultra marathons in and near Los Angeles, California. Use filters to quickly find races by month or race type.
More races: USA running calendar
Date Race Distance Location hf:tax:monthandyear hf:tax:typerace 11/02/2024 Griffith Park Trail Marathon 10K, 13.1M, 26.2M, 30K, 50K Los Angeles CA 11-november trail 01/25/2025 Sean O’Brien Trail Runs 100K, 26.2M, 30K, 50K, 50M Calabasas CA 01-january trail 12/07/2024 Ray Miller 50/50 30K, 50K, 50M Malibu CA 12-december trail 03/22/2025 Valencia Trail Race 10K, 13.1M, 50K Santa Clarita CA 03-march trail 10/19/2024 No Name 5025 Trail Races 15K, 50K Agoura CA 10-october trail 12/21/2024 Paramount Ranch Trail Runs 10K, 12H, 13.1M, 30K, 50K Agoura Hills CA 12-december trail 05/17/2025 O’Neill Park Trail Races 10K, 13.1M, 30K, 50K Trabuco Canyon CA 05-may trail 04/12/2025 Leona Divide Trail Runs 100K, 100M, 30K, 50M, 55K Lake Hughes CA 04-april trail 11/16/2024 Caspers Trail Races 10K, 13.1M, 26.2M, 35K, 50K San Juan Capistrano CA 11-november trail 01/05/2025 Del Dios Trail Race 10K, 13.1M, 50K, 5K Escondido CA 01-january trail 02/22/2025 Sycamore Canyon Trail Race 100K, 13.1M, 50K San Diego CA 02-february trail 12/07/2024 Anza Borrego Cuyamaca 50 Mile Run 50K Julian CA 12-december trail 07/12/2025 The Peak 50K 13.1M, 26.2M, 50K Julian CA 07-july trail 03/29/2025 Montaรฑa de Oro Trail Run 12K, 13.1M, 36K, 50K Los Osos CA 03-march trail 11/09/2024 Red Rock Canyon 100K 100K, 100M, 12K, 17K, 50K Blue Diamond NV 11-november trail 12/07/2024 San Joaquin River Trail 100K, 25K, 50K Friant CA 12-december trail 02/14/2025 Jackpot Ultras 100M, 12H, 24H, 48H, 50M, 6H Clark County NV 02-february roadrace 03/08/2025 Labor of Love Races 10K, 13.1M, 26.2M, 50K, 5K Las Vegas NV 03-march trail 04/12/2025 Deja Vu Marathon 10K, 13.1M, 1M, 26.2M, 50K, 5K Las Vegas NV roadrace 06/28/2025 Running with the Devil Marathon 10K, 13.1M, 26.2M, 50K, 5K Las Vegas NV 06-june trail 06/07/2025 Sawmill Relay & Half Marathon 10K, 13.1M, 19.2M, 38.4M, 57.7M, 5K Las Vegas NV 06-june trail 03/22/2025 Trail Trashed 10K, 13.1M, 26.2M, 50K, 5K Henderson NV 03-march trail