All races in California
Upcoming ultra marathons in California
77 ultra marathons are coming up in California, out of 947 races on the statewide calendar. Compare dates, distances and locations, then get ready with a personalized training plan.
77 upcoming races
November 2026
- Nov 7, 2026 Mt. Tam Trail Run📍 Stinson Beach, CA6.2 mi · 13.1 mi · 18.6 mi · 31.1 mi
- Nov 7, 2026 Rio del Lago📍 Granite Bay, CA31.1 mi · 100 mi
- Nov 7, 2026 Lake Chabot Trail Run (Nov)📍 Castro Valley, CA4.8 mi · 13.1 mi · 18.6 mi · 26.2 mi
- Nov 7, 2026 Lake Chabot Trail Run📍 Castro Valley, CA3.1 mi
- Nov 14, 2026 Pacific Trails California by UTMB (HOKA)📍 Santa Ynez, CA31.7 mi · 15.5 mi
- Nov 30, 2026 San Joaquin River Trail 100k Run📍 Friant, CA62.1 mi · 31.1 mi
December 2026
- Dec 5, 2026 High Desert 50K📍 Ridgecrest, CA31.1 mi · 18.6 mi
- Dec 5, 2026 Ray Miller 50/50📍 Malibu, CA18.6 mi · 31.1 mi · 50 mi
- Dec 19, 2026 Woodside Ramble📍 Redwood City, CA31.1 mi · 21.7 mi · 13.1 mi · 6.2 mi
January 2027
- Jan 9, 2027 estimated dateNo Hands Trail Run📍 Auburn, CA5 mi · 13.1 mi · 21.7 mi · 31.1 mi
- Jan 9, 2027 San Diego 50 & Trail Runs📍 Escondido, CA26.2 mi · 13.1 mi · 10 mi · 5 mi
- Jan 17, 2027 Crystal Springs Trail Run📍 Woodside, CA5 mi · 13.1 mi · 21.7 mi · 26.2 mi
- Jan 24, 2027 Calico Trail Run📍 Yermo, CA31.1 mi · 18.6 mi
February 2027
- Feb 2, 2027 Happy Chinese New Year Run📍 San Diego, CA62.3 mi · 30 mi
- Feb 6, 2027 Golden Gate Trail Run - Winter📍 Sausalito, CA5 mi · 13.1 mi · 18.6 mi · 26.2 mi
- Feb 13, 2027 The Ranch 50k📍 Escondido, CA13.1 mi · 31.1 mi
- Feb 17, 2027 FOURmidable📍 Auburn, CA31.1 mi · 21.7 mi · 13.1 mi · 8.1 mi
- Feb 20, 2027 Chabot/Redtail Ridge Trail Run📍 Castro Valley, CA31.1 mi · 18.6 mi · 13.1 mi · 6.2 mi
- Feb 27, 2027 Salmon Falls 50K📍 Pilot Hill, CA13.1 mi · 31.1 mi
- Feb 27, 2027 Sycamore Canyon 100k / 50K / Half📍 Poway, CA13.1 mi · 31.1 mi · 62.1 mi
March 2027
- Mar 6, 2027 Way Too Cool 50K📍 Cool, CA31.1 mi
- Mar 13, 2027 Marin Ultra Challenge📍 Sausalito, CA50 mi · 31.1 mi
- Mar 20, 2027 VALENCIA Trail Race📍 Santa Clarita, CA6.2 mi · 13.1 mi · 31.1 mi
- Mar 20, 2027 Oakland Redwoods Run📍 Oakland, CA31.1 mi · 26.1 mi · 18.6 mi · 13 mi
- Mar 27, 2027 Griffith Park Trail Marathon📍 Los Angeles, CA31.1 mi · 26.2 mi · 18.6 mi · 13.1 mi
April 2027
- Apr 10, 2027 Lake Sonoma 100K, 50K & Trail Sisters Half📍 Geyserville, CA62.1 mi · 31.1 mi · 13.1 mi
- Apr 10, 2027 Lake Sonoma 50 Mile📍 Healdsburg, CA50.3 mi · 26.1 mi · 13 mi
- Apr 11, 2027 estimated dateNapa Valley Endurance Run📍 Calistoga, CA31.1 mi · 21 mi · 13.4 mi · 6.2 mi
- Apr 17, 2027 Leona Divide📍 Lake Hughes, CA100 mi · 62.1 mi · 50 mi · 31.1 mi
- Apr 17, 2027 Outlands Endurance Races📍 Pilot Hill, CA50 mi · 31.1 mi · 15.5 mi
- Apr 30, 2027 San Diego 100 Mile Endurance Run📍 Mount Laguna, CA100 mi
May 2027
- May 1, 2027 estimated dateFolsom Lake Trail Run📍 Folsom, CA6.2 mi · 13.1 mi · 21.7 mi · 31.1 mi
- May 1, 2027 estimated dateMiwok 100K Trail Race📍 Stinson Beach, CA62.1 mi
- May 1, 2027 Miwok 100K📍 Stinson Beach, CA62.1 mi
- May 1, 2027 Wildflower Triathlon📍 Bradley, CA70.3 mi · 70.3 mi · 32 mi · 32 mi
- May 8, 2027 estimated dateGrizzly Peak Trail Run📍 Contra Costa Centre, CA6.2 mi · 13.1 mi · 18.6 mi · 26.2 mi
- May 8, 2027 Paiute Meadows Trail Run📍 Susanville, CA31.1 mi · 18.6 mi · 13.1 mi · 4.5 mi
- May 8, 2027 estimated dateQuicksilver Endurance Runs📍 San Jose, CA62.1 mi · 31.1 mi
- May 12, 2027 Born to Run Ultra Marathons📍 Los Olivos, CA100 mi · 30 mi · 20 mi · 10 mi
- May 16, 2027 estimated dateBishop High Sierra Ultras📍 Nevada City, CA62.1 mi · 49.7 mi · 32.9 mi · 20 mi
- May 22, 2027 estimated dateMt. Wilson Trail Race📍 Sierra Madre, CA8.6 mi
- May 22, 2027 Run for Amma📍 Los Gatos, CA31.1 mi · 18.6 mi · 6.2 mi
- May 29, 2027 estimated dateCinderella Trail Run📍 Oakland, CA5 mi · 13.1 mi · 18.6 mi · 26.2 mi
- May 29, 2027 Sonoma Coast Trail Runs📍 Duncans Mills, CA13.1 mi · 18.6 mi · 26.2 mi · 31.1 mi
June 2027
- Jun 4, 2027 San Diego 100-Mile Endurance Race📍 Del Mar, CA100 mi
- Jun 26, 2027 estimated dateWestern States Endurance Run📍 Yokuts Valley, CA100 mi
- Jun 26, 2027 Western States 100-Mile Endurance Run📍 Olympic Valley, CA100 mi
- Jun 26, 2027 estimated dateWestern States 100-Miles Endurance Run📍 Squaw Valley, CA100 mi
July 2027
- Jul 3, 2027 Rancho Hills Trail Run - Summer📍 Morgan Hill, CA3.1 mi · 6.2 mi · 8 mi · 10 mi
- Jul 10, 2027 San Lorenzo River Trail Run📍 Santa Cruz, CA6.3 mi · 13.1 mi · 18.6 mi · 26.2 mi
- Jul 10, 2027 Dirty Dozen Endurance Runs📍 San Pablo, CA720 m · 360 m · 180 m
- Jul 31, 2027 Rodeo Valley Trail Run📍 Sausalito, CA31.1 mi · 18.6 mi · 5 mi
August 2027
- Aug 1, 2027 Skyline 50k Endurance Run📍 Castro Valley, CA13 mi · 31.1 mi
- Aug 15, 2027 estimated dateRedwood Trail Run (Summer)📍 Oakland, CA5 mi · 13.1 mi · 18.6 mi · 26.2 mi
- Aug 15, 2027 estimated dateTamalpa Headlands 50K📍 Muir Beach, CA31.1 mi
- Aug 15, 2027 estimated dateTamalpa Headlands - Mill Valley📍 Mill Valley, CA31.1 mi
September 2027
- Sep 11, 2027 estimated dateBerkeley Trail Adventure📍 Berkeley, CA6.2 mi · 13.1 mi · 21.7 mi · 31.1 mi
- Sep 11, 2027 estimated dateSouth Hills Single Track Trail Run - Fall📍 San Jose, CA1 mi · 3.1 mi · 6.2 mi · 9 mi
- Sep 17, 2027 estimated dateMile Madness Endurance Run📍 Rocklin, CA100 mi · 6 h · 12 h · 24 h
- Sep 24, 2027 estimated dateMammoth Trail Fest📍 Mammoth Lakes, CA31.1 mi · 51 mi
- Sep 25, 2027 estimated dateBandit Ultra Trail - CA📍 Simi Valley, CA9.3 mi · 18.6 mi · 31.1 mi
- Sep 25, 2027 estimated dateDick Collins Firetrails📍 Castro Valley, CA62.1 mi · 50 mi · 26.1 mi · 18.6 mi
October 2027
- Oct 2, 2027 estimated dateAngeles Crest 100 mile endurance run📍 Wrightwood, CA100 mi
- Oct 2, 2027 estimated dateCuyamaca 100K Endurance Run📍 Julian, CA62.1 mi
- Oct 2, 2027 estimated dateSignal Peak Trail Runs📍 Emigrant Gap, CA24 mi · 31.1 mi
- Oct 2, 2027 estimated dateSGRAIL Marin - Triathlon & Trail Half Marathon📍 San Rafael, CA1500 mi + 40 km + 10 km
- Oct 3, 2027 estimated dateKokanee Trail Runs📍 South Lake Tahoe, CA804.7 m · 3.1 mi · 6.2 mi · 13.1 mi
- Oct 9, 2027 estimated dateSunset & Cider Trail Races📍 Auburn, CA5 mi · 13 mi · 31.1 mi
- Oct 9, 2027 estimated dateThat's No Moon Ultras & 30K📍 Silverado, CA18.6 mi · 31.1 mi · 50 mi
- Oct 9, 2027 estimated dateKodiak Ultra Marathons by UTMB®📍 Big Bear Lake, CA100 mi · 62.1 mi · 31.1 mi · 13 mi
- Oct 16, 2027 estimated dateCahuilla Rez Ultra📍 Anza, CA3.1 mi · 13.1 mi · 100 mi · 6 h
- Oct 16, 2027 estimated dateThe Jackalope Lope📍 Redding, CA8 mi · 20 mi · 31.1 mi
- Oct 16, 2027 estimated dateSonoma Fall Classic (Lake Sonoma 50)📍 Geyserville, CA100.5 mi · 51.5 mi · 26.8 mi · 12 mi
- Oct 23, 2027 estimated dateNo Name Ultra Trail📍 Agoura Hills, CA1.2 mi · 3.1 mi · 13.1 mi · 31.1 mi
- Oct 23, 2027 estimated dateRange of Light Trail Races📍 Bishop, CA3.1 mi · 6.2 mi · 20.5 mi · 31.1 mi
- Oct 23, 2027 estimated dateThe Rubicon📍 Oxbow Reservoir, CA15 mi · 30 mi · 43 mi
- Oct 27, 2027 estimated dateMachete Trail Madness 100 Miler📍 Perris, CA10 mi · 50 mi · 100 mi · 200 mi
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