California Trail Running Calendar 2025-2026

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Explore the best trail runs in California for 2025-2026! Our updated list features 857 exciting races across the region. Find your next race in California below and join the running community at these great events!

April 2025
Apr
12-13
Sa - Su

San Diego Spartan Event Weekend

Obstacle Run 5 km 10 km
Apr
12
Saturday

California Gold Rush Trail Run - Spring

Trail Run 5 km 10 km 15 km 13 mi
Apr
12
Saturday

Oriflamme 50K

Trail Run 50 km
Apr
12
Saturday

Lake Sonoma 50

Trail Run 50 mi
Apr
12
Saturday

Run With The Burros

Trail Run 5 mi 10 mi 17 mi 26 mi
Apr
12
Saturday

Leona Divide

Trail Run 50 mi
Apr
12
Saturday

Woodside Crossover

Trail Run 50 km
Apr
12
Saturday

Autism on the Run

5 km 10 km
Apr
12
Saturday

Romancing the Island Half Marathon

Trail Run 10 km 13 mi
Apr
12
Saturday

Silver Moon Race: Kings River

Backyard Ultra 12 km 6 hr ... 100 mi 24 hr
Apr
12-13
Sa - Su

Mountains 2 Beach Marathon

5 km 10 km 13 mi 26 mi
Apr
12
Saturday

Fiercelifit Half Marathon

5 km 10 km 13 mi
Apr
12
Saturday

Lake Chabot Trail Run

Trail Run 8 km 13 mi ... 26 mi 50 km
Apr
12
Saturday

Pacific Paradise Half Marathon

5 km 10 km 13 mi
Apr
12
Saturday

San Diego Beach and Bay Half Marathon

10 km 21 km
Apr
12
Saturday

Rodeo Beach Rumble

Trail Run 13 mi
Apr
12
Saturday

Machete Trail Madness 100K

Trail Run 10 km 50 km 100 km
Apr
12
Saturday

Porterville 10K Trail Run

Trail Run 5 km 10 km
Apr
12
Saturday

Rise and Shine Half Marathon - Long Beach

5 km 10 km 15 km 13 mi
Apr
12
Saturday

Outlands

Trail Run 50 km 50 mi
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