Ultra Marathons in California

Upcoming ultra marathons in California. Use filters to quickly find races by month, city or race type.

More races: USA running calendar

Date RaceDistanceLocationhf:tax:monthandyearhf:tax:cityhf:tax:typerace
05/04/2024O’Neill Park Trail Races10K, 13.1M, 30K, 50KTrabuco Canyon CA05-maytrabuco-canyon-catrail
05/04/2024Folsom Lake Trail Run10K, 13.1M, 35K, 50KFolsom CA05-mayfolsom-catrail
05/11/2024Grizzly Peak Trail Run10K, 13.1M, 26.2M, 30K, 50KBerkeley CA05-mayberkeley-catrail
05/11/2024Trail Run at Sly Park – Spring Edition10K, 13.1M, 17M, 26.2M, 50K, 5K, 8MPollock Pines CA05-maypollock-pines-catrail
06/01/2024Cool Moon 100 Mile Endurance Run100K, 100M, 11.5M, 13.5M, 25M, 50M, 5KCool CA06-junecool-catrail
06/01/2024Calero Trail Run – Summer10K, 13.1M, 15K, 1M, 25K, 26.2M, 50K, 5KSan Jose CA06-junesan-jose-catrail
06/01/2024The Loco Go Big or Go Home Challenge100K, 100M, 10K, 13.1M, 50K, 5KButte Meadows CA06-junebutte-meadows-catrail
06/07/2024San Diego 100-Mile Endurance Race100MJulian CA06-junejulian-catrail
06/08/2024Point Mugu Trail Races100K, 30K, 50K, 50MMalibu CA06-junemalibu-catrail
06/08/2024Holcomb Valley Trail Run15M, 33M, 7MBig Bear Lake CA06-junebig-bear-lake-catrail
06/08/2024Shadow of the Giants20K, 50KFish Camp CA06-junefish-camp-catrail
06/08/2024Mt Umunhum Ultras10K, 13.1M, 26.2M, 30K, 50K, 52M, 5K, 9MSan Jose CA06-junesan-jose-catrail
06/21/2024Orange Curtain100K, 10K, 12H, 24H, 26.2M, 50KCerritos CA06-junecerritos-caroadrace
06/22/2024Black Mountain 50k13.1M, 25K, 50KSan Diego CA06-junesan-diego-catrail
07/06/2024SISU 24 Hour Ultra100M, 21K, 24H, 30KMonrovia CA07-julymonrovia-catrail
07/06/2024Rancho Hills Trail Run10K, 10M, 13.1M, 26.2M, 30K, 50K, 5KMorgan Hill CA07-julymorgan-hill-catrail
07/13/2024San Lorenzo River 50k10K, 13.1M, 26.2M, 30K, 50KSanta Cruz CA07-julysanta-cruz-catrail
07/13/2024The Peak 50k13.1M, 26.2M, 50KJulian CA07-julyjulian-catrail
07/21/2024Big Chief 50K50KNorth Lake Tahoe CA07-julynorth-lake-tahoe-catrail
07/21/2024San Francisco Marathon10K, 13.1M, 1K, 26.2M, 52.4M, 5KSan Francisco CA07-julysan-francisco-caroadrace
07/27/2024Great Shasta Rail Trail10K, 30K, 50KMcCloud CA07-julymccloud-catrail
08/03/2024Kirkwood’s Ultras100K, 13.1M, 25K, 26.2M, 46M, 50KKirkwood CA08-augustkirkwood-catrail
08/04/2024Skyline 50K Endurance Run13.1M, 50KCastro Valley CA08-augustcastro-valley-catrail
08/10/2024Redwood Trail Run (Summer)13.1M, 26.2M, 30K, 50K, 5MOakland CA08-augustoakland-catrail
08/17/2024Almaden Hills Trail Run10K, 13.1M, 26.2M, 30K, 50K, 5K, 8MSan Jose CA08-augustsan-jose-catrail
08/17/2024The Bulldog Ultra25K, 50KCalabasas CA08-augustcalabasas-catrail
08/24/2024Trail Run at Sly Park10K, 13.1M, 18M, 26.2M, 50K, 5K, 8.5MPollock Pines CA08-augustpollock-pines-catrail
09/01/2024Crystal Springs Summer Trail Run13.1M, 26.2M, 35K, 50K, 8KWoodside CA09-septemberwoodside-catrail
09/07/2024China Peak Running Festival12K, 25K, 50KLakeshore CA09-septemberlakeshore-catrail
09/07/2024The Groves Trail Run13.1M, 50KLoma Mar CA09-septemberloma-mar-catrail
09/08/2024Diablo Trail Run10M, 13.1M, 26.2M, 4M, 50KClayton CA09-septemberclayton-catrail
09/14/2024South Hills Single Track Trail Run10K, 13.1M, 16M, 26.2M, 50K, 5K, 9MSan Jose CA09-septembersan-jose-catrail
10/05/2024Back On The Ranch Trail Run12H, 24H, 3H, 48H, 6HLos Olivos CA10-octoberlos-olivos-catrail
10/12/2024Bizz Johnson 50K10K, 13.1M, 26.2M, 50KSusanville CA10-octobersusanville-catrail
10/12/2024Mt. Umunhum Trail Conquest13.1M, 26.2M, 30K, 50K, 5K, 7MSan Jose CA10-octobersan-jose-catrail
10/19/2024No Name 502515K, 50KAgoura CA10-octoberagoura-catrail
10/26/2024Range of Light Trail Races10K, 33K, 50K, 5KBishop CA10-octoberbishop-catrail

California Race Calendar

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