California

Running, Trail & Triathlon Races Across California

Browse upcoming marathons, half marathons, 5Ks, 10Ks, trail runs, and triathlons across California — LA, San Francisco, Lake Tahoe, and San Diego.

Popular Cities and Distances

Geyserville

Full List of Running & Triathlon Races

December 12, 2026

Run for Breast Cancer 5K/10K/13.1 SAN DIEGO

San Diego

December 12, 2026

Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO

San Francisco

December 12, 2026

Lights for Life 5K

December 13, 2026

Tinsel Triathlon & 5K

December 19, 2026

San Diego Holiday Half Marathon & 5K

San Diego

December 20, 2026

Holly Jolly Marathon

Los Angeles

December 26, 2026

A Merry Christmas Run 5K/10K/13.1 SAN FRANCISCO

San Francisco

December 26, 2026

A Merry Christmas Run 5K/10K/13.1 SAN DIEGO

San Diego

January 2, 2027

2027 New Year’s Duathlon and 5K Run/Walk

Folsom

January 2, 2027

Hacienda Hills Trail Run (Winter)

San Jose

January 9, 2027

San Diego 50 & Trail Runs

San Diego

January 9, 2027

IPA Beer Trail Runs

Folsom

January 9, 2027

Avalon Benefit 50 Mile/50K Run

Catalina Island

January 9, 2027

Citrus Heritage Run

Riverside

January 10, 2027

Hot Chocolate Run San Francisco

San Francisco

January 16, 2027

MLK Freedom Run 5K/10K/13.1 SAN FRANCISCO

Los Angeles

January 16, 2027

MLK Jr. Freedom Run 5K/10K/13.1 SAN DIEGO

San Diego

January 16, 2027

MLK Jr. Freedom Run 5K/10K/13.1 SAN FRANCISCO

San Francisco

January 17, 2027

2027 Rose Bowl Half Marathon and 5K

Pasadena

January 17, 2027

Carlsbad Marathon, Half Marathon and 5K

Carlsbad

January 17, 2027

Crystal Springs Trail Run

San Francisco

January 17, 2027

The Redding Marathon Events

Redding

January 23, 2027

Pacifica Foothills 10K, Half Marathon, 30K

Santa Cruz

January 30, 2027

Coffee Lover Run SAN DIEGO

San Diego

January 30, 2027

Coffee Lover Run SAN FRANCISCO

San Francisco

January 30, 2027

61st Annual Trinidad To Clam Beach Run

Trinidad

January 31, 2027

Besties Run 5K, 10K, Half Marathon

Long Beach

February 6, 2027

Golden Gate Trail Run

San Francisco

February 6, 2027

Griffith Park Run

Los Angeles

February 7, 2027

Surf City Marathon

Huntington Beach

February 7, 2027

San Francisco Half Marathon

San Francisco

February 13, 2027

The Ranch 50K

Escondido