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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
March 2026
Mar
7
Sa

Bayshore 70.4 Triathlon

Triathlon
Mar
7
Sa

Lakewood Run

5 km 10 km
Mar
7
Sa

Way Too Cool 50k

Trail Run 10 mi 50 km
Mar
7
Sa

The Best Races - San Diego

5 km 10 km 13 mi
Mar
7
Sa

The Best Races - Sacramento

5 km 10 km 13 mi
Mar
7
Sa

Bell Gardens 5K

5 km
Mar
7
Sa

Skyline Ridge Trail Run

Trail Run 10 km Half Marathon 50 km
Mar
7
Sa

NorCal John Frank Memorial Run

3 mi 10 mi
Mar
7
Sa

San Joaquin River Trail Half Marathon

Trail Run 10 km Half Marathon
Mar
7
Sa

Bidwell Classic Half Marathon

5 km 10 km Half Marathon
Mar
7
Sa

March Triathlon Series

Triathlon
Mar
7
Sa

Sanger Blossom Trail Run

Trail Run 2 mi 10 km
Mar
7
Sa

Greater Sacramento Area Polar Plunge & Runs

Trail Run 5 km
Mar
7
Sa

Nutty Cutters 5k

5 km
Mar
7
Sa

Chino DairyAire 5K

5 km
Mar
7
Sa

Honor Run

5 km 10 km
Mar
7
Sa

Roosters Backyard Ultra

Backyard Ultra
Mar
7
Sa

Donut Dash Ate-Teen

4 mi
Mar
8
Su

Los Angeles Marathon

26 mi
Mar
8
Su

Artesa Wine Run 5k

5 km