California Races in March

Browse upcoming marathons, half marathons, 5Ks, 10Ks, trail runs, and triathlons happening in March.

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Running & Triathlon Races

March 6, 2027

Chanoko 50K, 31K and 5-Mile Trail Runs

March 6, 2027

Bidwell Classic 5K, 10k and Half Marathon

March 7, 2027

2027 ASICS Los Angeles Marathon and 5K

March 7, 2027

Napa Valley Marathon

March 7, 2027

Artesa Wine Run 5k

March 7, 2027

2027 Hot Chocolate Run San Diego

March 7, 2027

Tesoro Viejo Spring Classic Half Marathon

March 7, 2027

Livermore Valley Half

March 13, 2027

Beer City Half San Diego

March 13, 2027

St. Patrick’s Day 5K Santa Rosa

March 13, 2027

Catalina Island Marathon, 10K, 5K

Catalina Island

March 13, 2027

Marin Ultra Challenge

March 13, 2027

Zoom San Francisco

March 13, 2027

Old West 50k, Marathon, Half Marathon

March 13, 2027

Bayshore 70.4 and Sprint Triathlon

March 13, 2027

The Terminator 2 Trot: 5K, 10K & Half Marathon

March 13, 2027

The Rocky Hill Triathlon

March 14, 2027

Moonlight Beach Half Marathon

March 14, 2027

The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon

March 19, 2027

The Big Alta

March 20, 2027

Oakland Marathon

March 20, 2027

VALENCIA Trail Race

March 20, 2027

Beer City Long Beach

March 20, 2027

Redwood (Spring) Trail Run

March 20, 2027

Spring Fling Duathlon/5k

March 20, 2027

Finish The Run Griffith Park

March 21, 2027

San Diego Half Marathon

March 27, 2027

Knickerbocker Canyon 5K, 10K, Half, 35K

March 28, 2027

Ironstone Vineyards Wine Run 5k