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California Marathon Calendar 2026-2027

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Monthly updates for California

Get new running races (and updates) in your inbox every month.

Explore the best marathons in California for 2026-2027! Our updated list features 73 exciting races across the region. Find your next race in California below and join the running community at these great events!

January 2026
Jan
10
Sa

San Diego 50 Mile & Trail Marathons

Trail Run 3 mi 5 mi ... 26 mi 50 mi
Jan
18
Su

Carlsbad Marathon

5 km Half Marathon Marathon
Jan
18
Su

Redding Marathon

5 km Marathon
Jan
18
Su

Crystal Springs (Winter) Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
Jan
18
Su

Crystal Springs Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
Jan
24
Sa

Folsom Lake Sweetwater Trail Run

Trail Run 5 km 10 km ... Marathon 50 km
Jan
31
Sa

Sean O'Brien 100K

Trail Run 30 km 26 mi ... 50 mi 100 km
Jan
31
Sa

Jed Smith Ultra

Trail Run Half Marathon 30 km ... 50 km 50 mi
February 2026
Feb
1
Su

Surf City Marathon

5 km Half Marathon Marathon
Feb
7
Sa

Mt. Umunhum Trail Conquest - Winter

Trail Run 5 km 7 mi ... 26 mi 50 km
Feb
7
Sa

Death Valley Marathon

10 km Half Marathon Marathon
Feb
7
Sa

Golden Gate Trail Run

Trail Run 8 km Half Marathon ... Marathon 50 km
Feb
21
Sa

Montara Mountain Trail Run

Trail Run 10 km 13 mi ... 26 mi 50 km
Feb
22
Su

Ventura Marathon

13 mi 26 mi
Feb
28
Sa

SOCAL River Marathon

5 km 10 km Half Marathon Marathon
March 2026
Mar
1
Su

Napa Valley Marathon

5 km Half Marathon Marathon
Mar
8
Su

Los Angeles Marathon

Marathon
Mar
14
Sa

Old West Trail Runs

Trail Run Half Marathon Marathon 50 km
Mar
14
Sa

Catalina Island Marathon

Trail Run 3 mi 6 mi 26 mi
Mar
21
Sa

Oakland Marathon

5 km 10 km Half Marathon Marathon