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California Running Calendar 2025-2026

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Explore the best running races in California for 2025-2026! Our updated list features 781 exciting races across the region. Find your next race in California below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
January 2026
Jan
4
Sunday

Del Dios Trail Race

Trail Run 3 mi 6 mi 13 mi 50 km
Jan
4
Sunday

The Running Chicken 10K

5 km 10 km
Jan
4
Sunday

Griffith Park Resolution Run

5 km 12 km 15 km Half Marathon
Jan
4
Sunday

Dia de los Reyes Magos Half Marathon

5 km Half Marathon
Jan
4
Sunday

ABWR Half Marathon - South El Monte

Trail Run 5 km 10 km 15 km Half Marathon
Jan
10
Saturday

Resolution Run - San Diego

5 km 10 km Half Marathon
Jan
10
Saturday

Citrus Heritage Run

3 mi 6 mi 13 mi
Jan
10
Saturday

Avalon Benefit 50 Mile Run

50 km 50 mi
Jan
10
Saturday

San Diego 50 Mile & Trail Marathons

Trail Run 5 km 5 mi ... Marathon 50 mi
Jan
10
Saturday

IPA Beer Trail Runs

Trail Run 3 mi 8 mi
Jan
10
Saturday

Inside Trail - No Hands Trail Run

Trail Run 8 km Half Marathon 35 km 50 km
Jan
10
Saturday

Encino Man Ice Age Dash

5 km 10 km Half Marathon
Jan
10
Saturday

Fog Run

5 km 10 km
Jan
10
Saturday

Hope in Every Step 5K - Modesto

Trail Run 5 km
Jan
17
Saturday

The Master's University Winter 5K

5 km
Jan
17
Saturday

The Best Races - San Francisco

5 km 10 km 13 mi
Jan
17
Saturday

The Best Races - San Diego

5 km 10 km 13 mi
Jan
17
Saturday

The Best Races - Sacramento

5 km 10 km 13 mi
Jan
17
Saturday

Coffee Run - Fresno, CA

2 mi 5 km 10 km
Jan
17
Saturday

The Bertman Run

5 km 10 km
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