51 Upcoming Half Marathon Races Near Mountain House, CA

Most popular races in California →

Sat, Nov 142 races

ZombieRunner Quarry Lakes logo

ZombieRunner Quarry Lakes

Fremont, CA

5K
10K
Half
Trail
Fast
View details for race ZombieRunner Quarry Lakes
Berkeley Half Marathon 2026 logo

Berkeley Half Marathon 2026

Berkeley, CA

Half
5K
10K
View details for race Berkeley Half Marathon 2026
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Thu, Nov 261 race

Zoom Turkey Trot logo

Zoom Turkey Trot

San Jose, CA

5K
10K
Half
Trail
View details for race Zoom Turkey Trot

Sat, Nov 281 race

Quarry Turkey logo

Quarry Turkey

Fremont, CA

5K
10K
Half
Fast
View details for race Quarry Turkey

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Sat, Dec 122 races

Summit Rock logo

Summit Rock

Saratoga, CA

5K
10K
Half
Trail
View details for race Summit Rock
Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO logo

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

San Francisco, CA

5K
10K
Half
View details for race Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO

Sat, Dec 261 race

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

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

San Mateo, CA

5K
10K
Half
View details for race A Merry Christmas Run 5K/10K/13.1 SAN FRANCISCO

Thu, Dec 311 race

Brazen New Year's Eve 2026 logo

Brazen New Year's Eve 2026

Castro Valley, CA

Half
5K
Trail
View details for race Brazen New Year's Eve 2026

Fri, Jan 1, 20272 races

Brazen New Year's Eve logo

Brazen New Year's Eve

Castro Valley, CA

5K
10K
Half
Trail
View details for race Brazen New Year's Eve
Brazen New Year's Day logo

Brazen New Year's Day

Castro Valley, CA

5K
10K
Half
View details for race Brazen New Year's Day

Sun, Jan 17, 20271 race

SPASM Crystal Springs Trail Run logo

SPASM Crystal Springs Trail Run

Woodside, CA

Half
Marathon
Ultra
Trail
View details for race SPASM Crystal Springs Trail Run

Sat, Jan 30, 20273 races

Coffee Lovers Run SAN FRANCISCO logo

Coffee Lovers Run SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race Coffee Lovers Run SAN FRANCISCO
Coyote Hills logo

Coyote Hills

Fremont, CA

Half
10K
5K
View details for race Coyote Hills
Run for Donuts SAN FRANCISCO logo

Run for Donuts SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race Run for Donuts SAN FRANCISCO

Sat, Feb 13, 20272 races

Valentine's Day Run 5K/10K/13.1 SAN FRANCISCO logo

Valentine's Day Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, CA

5K
10K
Half
View details for race Valentine's Day Run 5K/10K/13.1 SAN FRANCISCO
Bay Breeze 2027 logo

Bay Breeze 2027

San Leandro, CA

Half
5K
10K
Trail
View details for race Bay Breeze 2027

Sat, Feb 20, 20272 races

Buzz Marathon #27

San Miguel, CA

Half
Marathon
10K
BQ
View details for race Buzz Marathon #27
Victory 2027 logo

Victory 2027

Richmond, CA

Half
5K
10K
Trail
Fast
View details for race Victory 2027

Sat, Feb 27, 20272 races

Run For Mental Health SAN FRANCISCO logo

Run For Mental Health SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race Run For Mental Health SAN FRANCISCO
Run Together Against Breast Cancer SAN FRANCISCO logo

Run Together Against Breast Cancer SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race Run Together Against Breast Cancer SAN FRANCISCO

Sat, Mar 13, 20271 race

Zoom San Francisco logo

Zoom San Francisco

San Francisco, CA

5K
10K
Half
Trail
View details for race Zoom San Francisco

Sun, Mar 14, 20271 race

Silicon Valley Half Marathon logo

Silicon Valley Half Marathon

San Jose, CA

Half
5K
Trail
View details for race Silicon Valley Half Marathon

Sat, Mar 20, 20273 races

2027 Oakland Marathon logo

2027 Oakland Marathon

Oakland, CA

Half
5K
Marathon
View details for race 2027 Oakland Marathon
Redwood (Spring) Trail Run logo

Redwood (Spring) Trail Run

Oakland, CA

Half
Marathon
Ultra
Trail
View details for race Redwood (Spring) Trail Run
St. Paddy's Day Lucky Run 5K/10K/13.1 SAN FRANCISCO logo

St. Paddy's Day Lucky Run 5K/10K/13.1 SAN FRANC...

San Mateo, CA

5K
10K
Half
View details for race St. Paddy's Day Lucky Run 5K/10K/13.1 SAN FRANCISCO

Sat, Mar 27, 20273 races

SuperHeroes Run SAN FRANCISCO logo

SuperHeroes Run SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race SuperHeroes Run SAN FRANCISCO
Western Pacific 2027 logo

Western Pacific 2027

Fremont, CA

Half
5K
10K
Trail
View details for race Western Pacific 2027
Always Hope Easter Run SAN FRANCISCO logo

Always Hope Easter Run SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race Always Hope Easter Run SAN FRANCISCO

Sat, Apr 3, 20271 race

Diablo Trails Challenge 2027 logo

Diablo Trails Challenge 2027

Walnut Creek, CA

Half
5K
10K
Trail
View details for race Diablo Trails Challenge 2027

Sun, Apr 4, 20271 race

Modesto Marathon logo

Modesto Marathon

Modesto, CA

Marathon
Half
10K
View details for race Modesto Marathon

Sat, Apr 10, 20271 race

Run for PB&J 5k/10k/13.1 SAN FRANCISCO logo

Run for PB&J 5k/10k/13.1 SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race Run for PB&J 5k/10k/13.1 SAN FRANCISCO

Sun, Apr 11, 20271 race

Beer City San Francisco logo

Beer City San Francisco

San Francisco, CA

Half
10K
5K
View details for race Beer City San Francisco

Sat, Apr 17, 20273 races

Badger Cove logo

Badger Cove

Livermore, CA

Half
10K
5K
View details for race Badger Cove
SPASM Lake Chabot Trail Run logo

SPASM Lake Chabot Trail Run

Castro Valley, CA

Half
Marathon
Ultra
Trail
View details for race SPASM Lake Chabot Trail Run
Alameda Island Running Festival logo

Alameda Island Running Festival

Alameda, CA

Half
10K
5K
View details for race Alameda Island Running Festival

Sat, Apr 24, 20274 races

Mt. Diablo Half Marathon logo

Mt. Diablo Half Marathon

Walnut Creek, CA

Half
View details for race Mt. Diablo Half Marathon
Horseshoe Lake Trail Run logo

Horseshoe Lake Trail Run

Los Gatos, CA

1 Mile
Half
Ultra
Trail
View details for race Horseshoe Lake Trail Run
Run for Donuts SAN FRANCISCO logo

Run for Donuts SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race Run for Donuts SAN FRANCISCO
Coffee Lovers Run SAN FRANCISCO logo

Coffee Lovers Run SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race Coffee Lovers Run SAN FRANCISCO

Sat, May 8, 20272 races

Run for Chocolate 5k/10k/13.1 SAN FRANCISCO logo

Run for Chocolate 5k/10k/13.1 SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race Run for Chocolate 5k/10k/13.1 SAN FRANCISCO
Grizzly Peak Trail Run (Postponed until 2028) logo

Grizzly Peak Trail Run (Postponed until 2028)

Berkeley, CA

10K
Half
Ultra
View details for race Grizzly Peak Trail Run (Postponed until 2028)

Sun, May 23, 20271 race

Diablo Trail Run logo

Diablo Trail Run

Clayton, CA

10 Miles
Half
Marathon
Trail
Fast
View details for race Diablo Trail Run

Sat, May 29, 20272 races

Beer City Half™ San Jose logo

Beer City Half™ San Jose

San Jose, CA

Half
10K
5K
View details for race Beer City Half™ San Jose
SuperHeroes Run SAN FRANCISCO logo

SuperHeroes Run SAN FRANCISCO

San Francisco, CA

5K
10K
Half
Fast
View details for race SuperHeroes Run SAN FRANCISCO

Sun, May 30, 20271 race

Cinderella Trail Run logo

Cinderella Trail Run

Oakland, CA

Half
Ultra
Marathon
Trail
View details for race Cinderella Trail Run

Sun, Jun 6, 20272 races

2027 Lake Chabot Trail Challenge (Half Marathon & 5K) logo

2027 Lake Chabot Trail Challenge (Half Marathon...

Castro Valley, CA

Half
5K
Trail
View details for race 2027 Lake Chabot Trail Challenge (Half Marathon & 5K)
San Jose Half Marathon & 8K logo

San Jose Half Marathon & 8K

San Jose, CA

Half
Fast
View details for race San Jose Half Marathon & 8K

Sat, Jul 10, 20271 race

Beer City Half™ Alameda logo

Beer City Half™ Alameda

Alameda, CA

Half
10K
5K
View details for race Beer City Half™ Alameda

Sat, Jul 24, 20271 race

Bad Bass logo

Bad Bass

Castro Valley, CA

Half
View details for race Bad Bass

Sat, Aug 14, 20271 race

Redwood (Summer) Trail Run logo

Redwood (Summer) Trail Run

Oakland, CA

Half
Ultra
Marathon
Trail
View details for race Redwood (Summer) Trail Run
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