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Upcoming Half Marathon Races In California, US

Dog Days of Summer – 5K, 10K, 10M, and Half Marathon logo

Dog Days of Summer – 5K, 10K, 10M, and Half Mar...

Long Beach, CA

Saturday, August 2nd, 2025

5K
10K
10 Miles
View details for race Dog Days of Summer – 5K, 10K, 10M, and Half Marathon
Singles & Friends Running Club 5K/10K/13.1 SACRAMENTO logo

Singles & Friends Running Club 5K/10K/13.1 SACR...

Sacramento, CA

Saturday, August 2nd, 2025

5K
10K
Half
View details for race Singles & Friends Running Club 5K/10K/13.1 SACRAMENTO
Run for Coffee Lovers 5K/10K/13.1 LOS ANGELES logo

Run for Coffee Lovers 5K/10K/13.1 LOS ANGELES

Los Angeles, CA

Saturday, August 2nd, 2025

5K
10K
Half
View details for race Run for Coffee Lovers 5K/10K/13.1 LOS ANGELES
Monsters of the Deep- 5K, 10K, and Half Marathon logo

Monsters of the Deep- 5K, 10K, and Half Marathon

Santa Monica, CA

Saturday, August 2nd, 2025

10K
5K
Half
View details for race Monsters of the Deep- 5K, 10K, and Half Marathon
Run for Coffee Lovers 5K/10K/13.1 SACRAMENTO logo

Run for Coffee Lovers 5K/10K/13.1 SACRAMENTO

Sacramento, CA

Saturday, August 2nd, 2025

5K
10K
Half
View details for race Run for Coffee Lovers 5K/10K/13.1 SACRAMENTO
Green Valley Lake 5k/10k/& Half Marathon logo

Green Valley Lake 5k/10k/& Half Marathon

Green Valley Lake, CA

Saturday, August 2nd, 2025

5K
10K
Half
View details for race Green Valley Lake 5k/10k/& Half Marathon
Summer Time/Summer Break 5k, 10k, 15k, Half Marathon logo

Summer Time/Summer Break 5k, 10k, 15k, Half Mar...

Long beach, CA

Saturday, August 2nd, 2025

Half
10K
5K
View details for race Summer Time/Summer Break 5k, 10k, 15k, Half Marathon
Hell Of A Half Marathon & 2 Person Relay logo

Hell Of A Half Marathon & 2 Person Relay

Exeter, CA

Saturday, August 2nd, 2025

Half
View details for race Hell Of A Half Marathon & 2 Person Relay
Singles & Friends Running Club LOS ANGELES logo

Singles & Friends Running Club LOS ANGELES

Los Angeles, CA

Saturday, August 2nd, 2025

10K
1 Mile
5K
View details for race Singles & Friends Running Club LOS ANGELES
Dolphin Dash 5k, 10k, 15k, Half Marathon logo

Dolphin Dash 5k, 10k, 15k, Half Marathon

Long beach, CA

Sunday, August 3rd, 2025

10K
15K
5K
View details for race Dolphin Dash 5k, 10k, 15k, Half Marathon
Tiki Run: Popsicles & Paradise 5K, 10K, & Half Marathon logo

Tiki Run: Popsicles & Paradise 5K, 10K, & Half ...

Long Beach, CA

Sunday, August 3rd, 2025

5K
10K
Half
View details for race Tiki Run: Popsicles & Paradise 5K, 10K, & Half Marathon
Dolphin Dash 5k, 10k, 15k, Half Marathon logo

Dolphin Dash 5k, 10k, 15k, Half Marathon

Santa monica, CA

Sunday, August 3rd, 2025

10K
15K
5K
View details for race Dolphin Dash 5k, 10k, 15k, Half Marathon
Noyo Headlands Race logo

Noyo Headlands Race

Fort Bragg, CA

Saturday, August 9th, 2025

Half
10K
5K
View details for race Noyo Headlands Race
Summer Dash 5k, 10k, 15k, Half Marathon logo

Summer Dash 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, August 9th, 2025

10K
15K
5K
View details for race Summer Dash 5k, 10k, 15k, Half Marathon
Endless Summer - 5K, 10K, and Half Marathon logo

Endless Summer - 5K, 10K, and Half Marathon

Santa Monica, CA

Saturday, August 9th, 2025

10K
5K
Half
View details for race Endless Summer - 5K, 10K, and Half Marathon
SAR Wild Run logo

SAR Wild Run

Shaver Lake, CA

Sunday, August 10th, 2025

Half
10K
5K
Trail
View details for race SAR Wild Run
Howl at the Moon- 5K, 10K, 10 Miler and Half Marathon logo

Howl at the Moon- 5K, 10K, 10 Miler and Half Ma...

Long Beach, CA

Sunday, August 10th, 2025

10K
15K
5K
View details for race Howl at the Moon- 5K, 10K, 10 Miler and Half Marathon
Age of Aquarius Awakening Run - 5K, 10K, & Half Marathon logo

Age of Aquarius Awakening Run - 5K, 10K, & Hal...

Santa Monica, CA

Sunday, August 10th, 2025

10K
5K
Half
View details for race Age of Aquarius Awakening Run - 5K, 10K, & Half Marathon
South Bay 24 logo

South Bay 24

San Diego, CA

Friday, August 15th, 2025

Half
Trail
View details for race South Bay 24
Rockin Summer 5k, 10k, 15k, Half Marathon logo

Rockin Summer 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, August 16th, 2025

10K
15K
5K
View details for race Rockin Summer 5k, 10k, 15k, Half Marathon
Redwood (Summer) Trail Run logo

Redwood (Summer) Trail Run

Oakland, CA

Saturday, August 16th, 2025

Half
Ultra
Marathon
View details for race Redwood (Summer) Trail Run
Beer City Half SLAM logo

Beer City Half SLAM

Fremont, CA

Saturday, August 16th, 2025

Half
10K
5K
Trail
View details for race Beer City Half SLAM
The Pineapple Paradise Run 5K, 10K, & Half Marathon logo

The Pineapple Paradise Run 5K, 10K, & Half Mara...

Santa Monica, CA

Saturday, August 16th, 2025

10K
5K
Half
View details for race The Pineapple Paradise Run 5K, 10K, & Half Marathon
The TRON Night Run: Neon Grid 5K, 10K & Half Marathon logo

The TRON Night Run: Neon Grid 5K, 10K & Half Ma...

Canoga Park, CA

Saturday, August 16th, 2025

5K
10K
Half
Trail
View details for race The TRON Night Run: Neon Grid 5K, 10K & Half Marathon
The Cookie Dash Run LOS ANGELES logo

The Cookie Dash Run LOS ANGELES

Los Angeles, CA

Saturday, August 16th, 2025

10K
1 Mile
5K
Fast
View details for race The Cookie Dash Run LOS ANGELES
Rockin Summer 5k, 10k, 15k, Half Marathon logo

Rockin Summer 5k, 10k, 15k, Half Marathon

Santa monica, CA

Sunday, August 17th, 2025

10K
15K
5K
View details for race Rockin Summer 5k, 10k, 15k, Half Marathon
Summer Fun 5k, 10k, 15k, Half Marathon logo

Summer Fun 5k, 10k, 15k, Half Marathon

Long beach, CA

Sunday, August 17th, 2025

10K
15K
5K
View details for race Summer Fun 5k, 10k, 15k, Half Marathon
One Love Run – 5K, 10K, 10M, and Half Marathon logo

One Love Run – 5K, 10K, 10M, and Half Marathon

Long Beach, CA

Saturday, August 23rd, 2025

5K
10K
10 Miles
View details for race One Love Run – 5K, 10K, 10M, and Half Marathon
The Mighty Tiki Run 5K, 10K, & Half Marathon logo

The Mighty Tiki Run 5K, 10K, & Half Marathon

Santa Monica, CA

Saturday, August 23rd, 2025

10K
5K
Half
View details for race The Mighty Tiki Run 5K, 10K, & Half Marathon
Los Angeles Trail Relay logo

Los Angeles Trail Relay

Los Angeles, CA

Sunday, August 24th, 2025

Half
Trail
View details for race Los Angeles Trail Relay
Californian Dreamin 5K, 10K, & Half Marathon logo

Californian Dreamin 5K, 10K, & Half Marathon

Long Beach, CA

Sunday, August 24th, 2025

5K
10K
Half
View details for race Californian Dreamin 5K, 10K, & Half Marathon
Sunrise Marathon LOS ANGELES logo

Sunrise Marathon LOS ANGELES

Los Angeles, CA

Saturday, August 30th, 2025

10K
1 Mile
5K
View details for race Sunrise Marathon LOS ANGELES
Summer Day 5k, 10k, 15k, Half Marathon logo

Summer Day 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, August 30th, 2025

10K
15K
5K
View details for race Summer Day 5k, 10k, 15k, Half Marathon
SPASM Crystal Springs Trail Run logo

SPASM Crystal Springs Trail Run

Woodside, CA

Sunday, August 31st, 2025

10K
Half
Marathon
View details for race SPASM Crystal Springs Trail Run
Beach Day 5k, 10k, 15k, Half Marathon logo

Beach Day 5k, 10k, 15k, Half Marathon

Long beach, CA

Sunday, August 31st, 2025

10K
15K
5K
View details for race Beach Day 5k, 10k, 15k, Half Marathon
Labor Day 5k, 10k, 15k, Half Marathon logo

Labor Day 5k, 10k, 15k, Half Marathon

Santa monica, CA

Monday, September 1st, 2025

10K
15K
5K
View details for race Labor Day 5k, 10k, 15k, Half Marathon
Virtual Outrun Lupus Run/Walk logo

Virtual Outrun Lupus Run/Walk

Any town, CA

Monday, September 1st, 2025

5K
10K
Half
View details for race Virtual Outrun Lupus Run/Walk
Labor Day 5k, 10k, 15k, Half Marathon logo

Labor Day 5k, 10k, 15k, Half Marathon

Long beach, CA

Monday, September 1st, 2025

10K
15K
5K
View details for race Labor Day 5k, 10k, 15k, Half Marathon
Disneyland® Halloween Half Marathon Weekend 2025 logo

Disneyland® Halloween Half Marathon Weekend 2025

Anaheim, CA

Friday, September 5th, 2025

5K
10K
Half
View details for race Disneyland® Halloween Half Marathon Weekend 2025
Beach Fun 5k, 10k, 15k, Half Marathon logo

Beach Fun 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, September 6th, 2025

10K
15K
5K
View details for race Beach Fun 5k, 10k, 15k, Half Marathon
Mammoth Bar Trail Runs logo

Mammoth Bar Trail Runs

Auburn, CA

Sunday, September 7th, 2025

Half
10K
5K
Trail
View details for race Mammoth Bar Trail Runs
Diablo Trail Run logo

Diablo Trail Run

Clayton, CA

Sunday, September 7th, 2025

10 Miles
Half
Marathon
Trail
Fast
View details for race Diablo Trail Run
The Honey Badger Half (& 10K/5K) logo

The Honey Badger Half (& 10K/5K)

Santa Venetia, CA

Friday, September 12th, 2025

5K
10K
Half
Trail
View details for race The Honey Badger Half (& 10K/5K)
National Chocolate Day: Run for Chocolates LOS ANGELES logo

National Chocolate Day: Run for Chocolates LOS ...

Los Angeles, CA

Saturday, September 13th, 2025

10K
1 Mile
5K
View details for race National Chocolate Day: Run for Chocolates LOS ANGELES
National Chocolate Day: Run for Chocolates SAN FRANCISCO logo

National Chocolate Day: Run for Chocolates SAN ...

San Francisco, CA

Saturday, September 13th, 2025

5K
10K
Half
View details for race National Chocolate Day: Run for Chocolates SAN FRANCISCO
National Chocolate Day: Run for Chocolates SAN DIEGO logo

National Chocolate Day: Run for Chocolates SAN ...

San Diego, CA

Saturday, September 13th, 2025

5K
10K
Half
View details for race National Chocolate Day: Run for Chocolates SAN DIEGO
National Chocolate Day: Run for Chocolates SACRAMENTO logo

National Chocolate Day: Run for Chocolates SACR...

Sacramento, CA

Saturday, September 13th, 2025

5K
10K
Half
View details for race National Chocolate Day: Run for Chocolates SACRAMENTO
Runvana: A Totally 90s Grunge Run 5K, 10K, Half Marathon logo

Runvana: A Totally 90s Grunge Run 5K, 10K, Half...

Long Beach, CA

Saturday, September 13th, 2025

5K
10K
Half
Fast
View details for race Runvana: A Totally 90s Grunge Run 5K, 10K, Half Marathon
Earth and Sky Fall Equinox Run 5K, 10k, & Half Marathon logo

Earth and Sky Fall Equinox Run 5K, 10k, & Half ...

Santa Monica, CA

Saturday, September 13th, 2025

10K
5K
Half
View details for race Earth and Sky Fall Equinox Run 5K, 10k, & Half Marathon
Pirates Plunder – 5K, 10K, and Half Marathon logo

Pirates Plunder – 5K, 10K, and Half Marathon

Santa Monica, CA

Sunday, September 14th, 2025

10K
5K
Half
View details for race Pirates Plunder – 5K, 10K, and Half Marathon

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