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California Running Calendar 2025-2026

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Monthly updates for California

Get new running races (and updates) in your inbox every month.

Explore the best running races in California for 2025-2026! Our updated list features 858 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
February 2026
Feb
28
Sa

Support Blue Fresno

2 mi 5 km 10 km
Feb-Mar
28-1
Sa - Su

L.A. Chinatown Firecracker 10K

5 km 10 km
Feb
28
Sa

5K Run/Walk a Touch of Love Works

5 km
Feb
28
Sa

End of the Trail Half Marathon

5 km 10 km Half Marathon
Feb
28
Sa

Downey 5K

5 km
Feb
28
Sa

UWS Race on the Base

Triathlon
Feb
28
Sa

Taxiway 5k

5 km
Feb
28
Sa

Oh the Places You'll Run – Half Marathon

5 km 10 km 10 mi Half Marathon
Feb
28
Sa

ABWR Half Marathon - Belmont Shore

5 km 10 km 15 km Half Marathon
Feb
28
Sa

SoCal Ultra Trail at Tejon Ranch

Trail Run 7 mi 16 mi 32 mi 62 mi
Feb
28
Sa

Freedom Run - Prescott

5 km
Feb
28
Sa

Will Rogers 24 Hour

Backyard Ultra 10 km Half Marathon ... 100 mi 24 hr
Feb
28
Sa

Desi Strong Run/Walk 4 Kids

5 km
March 2026
Mar
1
Su

Screenland 5K

5 km
Mar
1
Su

Napa Valley Marathon

5 km Half Marathon Marathon
Mar
1
Su

Livermore Valley Half Marathon

5 km Half Marathon
Mar
1
Su

Zoom Angel Island

Trail Run 5 mi 10 mi 15 mi
Mar
1
Su

Akash Wine Run 5k

5 km
Mar
7
Sa

Pasadena Triathlon

Triathlon
Mar
7
Sa

The Quest Adventure Run

6 mi 16 mi