Races Near Castro Valley

Skyline 50k Endurance Run

Skyline 50k Endurance Run is a 50 km ultra trail race held in Castro Valley, CA. The event takes place in August 2026.

Dick Collins Firetrails

Dick Collins Firetrails is a 100 km ultramarathon trail race held in Castro Valley, CA. The event takes place in September 2026.

Bay Area 100

Bay Area 100 is a 161 km ultramarathon trail race held in Berkeley, CA. The event takes place in June 2026.

Haunted Corner 5K, 10K Pleasant Hill

Haunted Corner 5K, 10K Pleasant Hill is a 10 km trail race held in Pleasant Hill, CA. The event takes place in October 2026.

Berkeley Trail Adventure

Berkeley Trail Adventure is a 50 km ultra trail race held in Berkeley, CA. The event takes place in September 2026.

Mountain Tiger Diablo

Mountain Tiger Diablo is a 19 km trail race held in Clayton, CA. The event takes place in October 2026.

Holiday Hustle 5K, 10K Livermore

Holiday Hustle 5K, 10K Livermore is a 10 km trail race held in Livermore, CA. The event takes place in December 2026.

Fillmore-Japantown Find-Your-Way 5K, 10K San Francisco

Fillmore-Japantown Find-Your-Way 5K, 10K San Francisco is a 10 km trail race held in San Francisco, CA. The event takes place in August 2026.

San Francisco Bay 2 Bankers 5K, 10K

San Francisco Bay 2 Bankers 5K, 10K is a 5.0 km trail race held in San Francisco, CA. The event takes place in July 2026.

Golden Gate 10K, 5K, and Double 8K

Rodeo Valley Trail Run

Rodeo Valley Trail Run is a 50 km ultra trail race held in Sausalito, CA. The event takes place in August 2026.

Dirt Circus - San Francisco

Dirt Circus - San Francisco is a trail race held in San Francisco, CA. The event takes place in June 2026.

Quad Dipsea

Quad Dipsea is a 6.4 km trail race held in Mill Valley, CA. The event takes place in November 2026.

Stevens Creek Striders Reservoir Run

Stevens Creek Striders Reservoir Run is a 11 km trail race held in Cupertino, CA. The event takes place in September 2026.

Tamalpa Headlands 50K

Tamalpa Headlands 50K is a 50 km ultra trail race held in Sausalito, CA. The event takes place in August 2026.