California Marathon Calendar 2025-2026

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Explore the best marathons in California for 2025-2026! Our updated list features 81 exciting races across the region. Find your next race in California below and join the running community at these great events!

April 2025
Apr
26
Saturday

Brown's Ravine Marathon

Trail Run 13 mi 26 mi
Apr
26
Saturday

Saddleback Marathon

Trail Run 10 km 13 mi 26 mi
Apr
27
Sunday

Big sur International Marathon

5 km 12 km ... 21 mi 26 mi
May 2025
May
2-3
Fr - Sa

Run4Kids Ultra Running Party

Backyard Ultra 26 mi 6 hr ... 100 mi 24 hr
May
3
Saturday

Dingneng Wang

Trail Run 26 mi
May
3
Saturday

Hacienda Hills Trail Run - Spring

Trail Run 5 km 10 km ... 26 mi 50 km
May
3-4
Sa - Su

The Hoag OC Marathon

5 km 13 mi 26 mi
May
4
Sunday

Avenue of the Giants Marathon

10 km 13 mi 26 mi
May
10
Saturday

Grizzly Peak Trail Run

Trail Run 10 km 13 mi ... 26 mi 50 km
May
10
Saturday

Muir Woods Marathon

Trail Run 7 mi 13 mi 26 mi
May
10
Saturday

Trail Run At Sly Park - Spring

Trail Run 5 km 10 km ... 26 mi 50 km
May
17
Saturday

O'Neill Park Trail Races

Trail Run 10 km 13 mi ... 26 mi 50 km
May
18
Sunday

Natro@Noli Indian School

Trail Run 5 km 13 mi 26 mi
May
31
Saturday

Sonoma Coast Trail Runs

Trail Run 13 mi 30 km 26 mi 50 km
May - Jun
31-1
Sa - Su

Rock 'n' Roll San Diego

5 km 13 mi 26 mi
May
31
Saturday

Calero Trail Run - Spring

Trail Run 5 km 10 km ... 26 mi 50 km
June 2025
Jun
1
Sunday

Toro Park Trail Run

Trail Run 10 km 21 km 42 km
Jun
1
Sunday

Cinderella Trail Run

Trail Run 8 km 13 mi ... 26 mi 50 km
Jun
1
Sunday

Seaside Marathon

5 km 10 km 13 mi 26 mi
Jun
7
Saturday

Mt Umunhum Ultras

Trail Run 5 km 10 km ... 50 km 52 mi
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