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!

September 2025
Sep
27-28
Sa - Su

Dick Collins Firetrails

Trail Run 42 km 80 km 100 km
Sep
27
Saturday

Big Sur Trail Marathon

Trail Run 5 mi 13 mi 26 mi
October 2025
Oct
4-5
Sa - Su

Long Beach Marathon

5 km 13 mi 26 mi
Oct
4
Saturday

Wild Wild West Marathon & Ultra - Lone Pine, CA

Trail Run 10 mi 26 mi 50 km 50 mi
Oct
11-12
Sa - Su

Bizz Johnson

Trail Run 10 km 13 mi 26 mi 50 km
Oct
11
Saturday

Mt. Umunhum Trail Conquest-Fall

Trail Run 5 km 7 mi ... 26 mi 50 km
Oct
11
Saturday

Look Good Feel Good San Leandro Marathon

5 km 10 km 13 mi 26 mi
Oct
12
Sunday

Humboldt Redwoods Marathon

5 km 13 mi 26 mi
Oct
17-19
Fr - Su

Lake Tahoe Marathon

5 km 10 km ... 26 mi 72 mi
Oct
25
Saturday

Trail Run At Sly Park - Fall

Trail Run 5 km 10 km ... 26 mi 50 km
Oct
25
Saturday

Pinkathon Challenge for Breast Cancer

5 km 10 km ... 26 mi 50 km
Oct
25
Saturday

Napa Fall Wine Country Marathon

Trail Run 10 km 13 mi 26 mi
Oct
26
Sunday

Crown Point Marathon

5 km 8 km 13 mi 26 mi
November 2025
Nov
1
Saturday

Zombierunner Halloween

Trail Run 5 km 10 km 13 mi 26 mi
Nov
1
Saturday

Almaden Hills Trail Run - Fall

Trail Run 5 km 10 km ... 26 mi 50 km
Nov
2
Sunday

Two Cities Marathon

5 km 10 km 13 mi 26 mi
Nov
8
Saturday

REVEL Big Bear

13 mi 26 mi
Nov
8
Saturday

Lake Chabot Trail Run

Trail Run 8 km 13 mi ... 26 mi 50 km
Nov
8
Saturday

Rancho Hills Trail Run - Fall

Trail Run 5 km 10 km ... 26 mi 50 km
Nov
9
Sunday

Santa Clarita Marathon

5 km 10 km 13 mi 26 mi
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