California Running calendar 2025-2026

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Explore the best running races in California for 2025-2026! Our updated list features 839 exciting races across the region. Find your next race in California below and join the running community at these great events!

December 2025
Dec
27
Saturday

Brazen New Year's Eve

Trail Run 5 km 10 km 13 mi
Dec
28
Sunday

Run In The New Year Half Marathon

5 km 10 km 13 mi
Dec
28
Sunday

Countdown to the Finish Half Marathon

5 km 10 km 10 mi 13 mi
Dec - Jan
31-1
We - Th

New Year's One Day

6 hr 12 hr 100 mi 24 hr
January 2026
Jan
1
Thursday

Brazen New Year's Day

Trail Run 5 km 10 km 13 mi
Jan
1
Thursday

Auburn Resolution Run

Trail Run 5 km 10 km 10 mi
Jan
3
Saturday

Hacienda Hills Trail Run - Winter

Trail Run 5 km 10 km ... 26 mi 50 km
Jan
3
Saturday

Lost Coast 55K

Trail Run 55 km
Jan
3
Saturday

Kiwanis Resolution 10K Run/Walk

5 km 10 km
Jan
4
Sunday

Grievances & Gratitude Run – Half Marathon

5 km 10 km 13 mi
Jan
4
Sunday

Del Dios Trail Race

Trail Run 5 km 10 km 13 mi 50 km
Jan
10
Saturday

Resolution Run - San Diego

5 km 10 km 13 mi
Jan
10
Saturday

Citrus Heritage Run

5 km 10 km 13 mi
Jan
10
Saturday

Avalon Benefit 50 Mile Run

50 mi
Jan
10
Saturday

San Diego 50 Mile & Trail Marathons

Trail Run 5 km 5 mi ... 26 mi 50 mi
Jan
18
Sunday

Carlsbad Marathon

5 km 13 mi 26 mi
Jan
24-25
Sa - Su

Socal Spartan Event Weekend

Obstacle Run 5 km 10 km 21 km
Jan
24
Saturday

La Cuesta Ranch Trail Run

Trail Run 10 km 20 km 30 km
Jan
24
Saturday

Folsom Lake Sweetwater Trail Run

Trail Run 5 km 10 km ... 26 mi 50 km
Jan
24
Saturday

Coyote Hills Run

Trail Run 5 km 10 km 13 mi
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