Upcoming ultra marathons in California

59 ultra marathons are coming up in California, out of 651 races on the statewide calendar. Compare dates, distances and locations, then get ready with a personalized training plan.

59 upcoming races

September 2026

Sep 18, 2026Mile Madness Endurance Run📍 Rocklin, CA100 mi · 6 h · 12 h · 24 h
Sep 25, 2026Mammoth Trail Fest📍 Mammoth Lakes, CA31.1 mi · 51 mi
Sep 26, 2026Dick Collins Firetrails📍 Castro Valley, CA62.1 mi · 50 mi · 26.1 mi · 18.6 mi
Sep 26, 2026Bandit Ultra Trail - CA📍 Simi Valley, CA9.3 mi · 18.6 mi · 31.1 mi

October 2026

Oct 3, 2026Angeles Crest 100 mile endurance run📍 Wrightwood, CA100 mi
Oct 3, 2026Cuyamaca 100K Endurance Run📍 Julian, CA62.1 mi
Oct 3, 2026Signal Peak Trail Runs📍 Emigrant Gap, CA24 mi · 31.1 mi
Oct 3, 2026SGRAIL Marin - Triathlon & Trail Half Marathon📍 San Rafael, CA1500 mi + 40 km + 10 km
Oct 4, 2026Kokanee Trail Runs📍 South Lake Tahoe, CA804.7 m · 3.1 mi · 6.2 mi · 13.1 mi
Oct 10, 2026Kodiak Ultra Marathons by UTMB®📍 Big Bear Lake, CA100 mi · 62.1 mi · 31.1 mi · 13 mi
Oct 10, 2026Sunset & Cider Trail Races📍 Auburn, CA5 mi · 13 mi · 31.1 mi
Oct 10, 2026That's No Moon Ultras & 30K📍 Silverado, CA18.6 mi · 31.1 mi · 50 mi
Oct 17, 2026Cahuilla Rez Ultra📍 Anza, CA3.1 mi · 13.1 mi · 100 mi · 6 h
Oct 17, 2026The Jackalope Lope📍 Redding, CA8 mi · 20 mi · 31.1 mi
Oct 24, 2026No Name Ultra Trail📍 Agoura Hills, CA1.2 mi · 3.1 mi · 13.1 mi · 31.1 mi
Oct 24, 2026Range of Light Trail Races📍 Bishop, CA3.1 mi · 6.2 mi · 20.5 mi · 31.1 mi
Oct 24, 2026The Rubicon📍 Oxbow Reservoir, CA15 mi · 30 mi · 43 mi
Oct 28, 2026Machete Trail Madness 100 Miler📍 Perris, CA10 mi · 50 mi · 100 mi · 200 mi

November 2026

Nov 7, 2026Mt. Tam Trail Run📍 Stinson Beach, CA6.2 mi · 13.1 mi · 18.6 mi · 31.1 mi
Nov 7, 2026Rio del Lago📍 Granite Bay, CA31.1 mi · 100 mi
Nov 7, 2026Lake Chabot Trail Run (Nov)📍 Castro Valley, CA4.8 mi · 13.1 mi · 18.6 mi · 26.2 mi
Nov 7, 2026Lake Chabot Trail Run📍 Castro Valley, CA3.1 mi
Nov 14, 2026Pacific Trails California by UTMB (HOKA)📍 Santa Ynez, CA31.7 mi · 15.5 mi
Nov 30, 2026San Joaquin River Trail 100k Run📍 Friant, CA62.1 mi · 31.1 mi

December 2026

Dec 5, 2026High Desert 50K📍 Ridgecrest, CA31.1 mi · 18.6 mi
Dec 5, 2026Ray Miller 50/50📍 Malibu, CA18.6 mi · 31.1 mi · 50 mi
Dec 19, 2026Woodside Ramble📍 Redwood City, CA31.1 mi · 21.7 mi · 13.1 mi · 6.2 mi

January 2027

Jan 9, 2027San Diego 50 & Trail Runs📍 Escondido, CA26.2 mi · 13.1 mi · 10 mi · 5 mi
Jan 17, 2027Crystal Springs Trail Run📍 Woodside, CA5 mi · 13.1 mi · 21.7 mi · 26.2 mi
Jan 24, 2027Calico Trail Run📍 Yermo, CA31.1 mi · 18.6 mi

February 2027

Feb 2, 2027Happy Chinese New Year Run📍 San Diego, CA62.3 mi · 30 mi
Feb 6, 2027Golden Gate Trail Run - Winter📍 Sausalito, CA5 mi · 13.1 mi · 18.6 mi · 26.2 mi
Feb 13, 2027The Ranch 50k📍 Escondido, CA13.1 mi · 31.1 mi
Feb 17, 2027FOURmidable📍 Auburn, CA31.1 mi · 21.7 mi · 13.1 mi · 8.1 mi
Feb 20, 2027Chabot/Redtail Ridge Trail Run📍 Castro Valley, CA31.1 mi · 18.6 mi · 13.1 mi · 6.2 mi
Feb 27, 2027Salmon Falls 50K📍 Pilot Hill, CA13.1 mi · 31.1 mi
Feb 27, 2027Sycamore Canyon 100k / 50K / Half📍 Poway, CA13.1 mi · 31.1 mi · 62.1 mi

March 2027

Mar 6, 2027Way Too Cool 50K📍 Cool, CA31.1 mi
Mar 13, 2027Marin Ultra Challenge📍 Sausalito, CA50 mi · 31.1 mi
Mar 20, 2027VALENCIA Trail Race📍 Santa Clarita, CA6.2 mi · 13.1 mi · 31.1 mi
Mar 20, 2027Oakland Redwoods Run📍 Oakland, CA31.1 mi · 26.1 mi · 18.6 mi · 13 mi
Mar 27, 2027Griffith Park Trail Marathon📍 Los Angeles, CA31.1 mi · 26.2 mi · 18.6 mi · 13.1 mi

April 2027

Apr 10, 2027Lake Sonoma 50📍 Healdsburg, CA50 mi
Apr 17, 2027Leona Divide📍 Lake Hughes, CA100 mi · 62.1 mi · 50 mi · 31.1 mi
Apr 17, 2027Outlands Endurance Races📍 Pilot Hill, CA50 mi · 31.1 mi · 15.5 mi
Apr 30, 2027San Diego 100 Mile Endurance Run📍 Mount Laguna, CA100 mi

May 2027

May 1, 2027Miwok 100K📍 Stinson Beach, CA62.1 mi
May 1, 2027Wildflower Triathlon📍 Bradley, CA70.3 mi · 70.3 mi · 32 mi · 32 mi
May 8, 2027Paiute Meadows Trail Run📍 Susanville, CA31.1 mi · 18.6 mi · 13.1 mi · 4.5 mi
May 12, 2027Born to Run Ultra Marathons📍 Los Olivos, CA100 mi · 30 mi · 20 mi · 10 mi
May 22, 2027Run for Amma📍 Los Gatos, CA31.1 mi · 18.6 mi · 6.2 mi
May 29, 2027Sonoma Coast Trail Runs📍 Duncans Mills, CA13.1 mi · 18.6 mi · 26.2 mi · 31.1 mi

June 2027

Jun 4, 2027San Diego 100-Mile Endurance Race📍 Del Mar, CA100 mi
Jun 26, 2027Western States 100-Mile Endurance Run📍 Olympic Valley, CA100 mi

July 2027

Jul 3, 2027Rancho Hills Trail Run - Summer📍 Morgan Hill, CA3.1 mi · 6.2 mi · 8 mi · 10 mi
Jul 10, 2027San Lorenzo River Trail Run📍 Santa Cruz, CA6.3 mi · 13.1 mi · 18.6 mi · 26.2 mi
Jul 10, 2027Dirty Dozen Endurance Runs📍 San Pablo, CA720 m · 360 m · 180 m
Jul 31, 2027Rodeo Valley Trail Run📍 Sausalito, CA31.1 mi · 18.6 mi · 5 mi

August 2027

Aug 1, 2027Skyline 50k Endurance Run📍 Castro Valley, CA13 mi · 31.1 mi

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