Marathons in California, United States 2026 35 events
42.2 kilometres (26.2 miles) — the classic endurance test. Browse upcoming events in United States.
Upcoming races
RunningTomorrow
Redding City Marathon
◎ Redding, USA▤ Sep 15, 2026
42.195 km
RunningIn 12 days
Ridge Rambler Half Marathon
◎ Bridgeport, USA▤ Sep 26, 2026
21.1 km
RunningIn 12 days
2026 Big Sur Trail Marathon, Half Marathon & 5 Mile
◎ Big Sur, USA▤ Sep 26, 2026
8 km
RunningIn 13 days
The Auburn Half Marathon 2026
◎ Auburn, USA▤ Sep 27, 2026
21.1 km
RunningIn 3 weeks
Pacific Beach Half Marathon & 5K
◎ San Diego County, USA▤ Oct 3, 2026
5 km
RunningIn 4 weeks
Bizz Johnson
◎ Susanville, USA▤ Oct 11, 2026
42.2 km
RunningIn 4 weeks
Clo Cow Half Marathon, 10K & 5K
◎ Petaluma, USA▤ Oct 11, 2026
10 km
RunningIn 4 weeks
Fredrick Michael Gibson 5K/10K & Half Marathon Walk/Run for Depression Awareness
◎ Simi Valley, USA▤ Oct 11, 2026
5 km
RunningIn 4 weeks
2026 Humboldt Redwoods Marathon, Half Marathon, 5K
◎ Weott, USA▤ Oct 11, 2026
42.2 km
RunningIn 5 weeks
The Peak 50K, Marathon & Half Marathon
◎ Julian, USA▤ Oct 17, 2026
50 km
RunningIn 5 weeks
Lake Tahoe Marathon
◎ Lake Tahoe, USA▤ Oct 18, 2026
42.195 km
RunningIn 5 weeks
Lake Tahoe Marathon Events
◎ South Lake Tahoe, USA▤ Oct 18, 2026
42.2 km
RunningIn 6 weeks
2026 Napa Fall Wine Country Marathon, Half Marathon, 10K, & 5K
◎ Calistoga, USA▤ Oct 24, 2026
10 km
RunningIn 8 weeks
The Saddleback Marathon
◎ Silverado, USA▤ Nov 7, 2026
42.2 km
RunningIn 8 weeks
Santa Barbara Half Marathon & 5K
◎ Santa Barbara, USA▤ Nov 8, 2026
5 km
RunningIn 9 weeks
Berkeley Half Marathon 2026
◎ Berkeley, USA▤ Nov 14, 2026
21.1 km
RunningIn 9 weeks
2026 American River Parkway 20-mile Point-to-Point Marathon Training Run & Taper Program
◎ Rancho Cordova, USA▤ Nov 14, 2026
42.2 km
RunningIn 3 months
2026 Death Valley Trail Marathon & Half Marathon
◎ Death Valley, USA▤ Dec 5, 2026
21.1 km
RunningIn 3 months
2026 California International Marathon
◎ Sacramento, USA▤ Dec 6, 2026
42.2 km
RunningIn 3 months
2026 Hark the Herald Half Marathon & 10K
◎ Tiburon, USA▤ Dec 12, 2026
10 km