Upcoming Half Marathon Races In California, US in August, 2025

Name: SPASM Crystal Springs Trail Run
Start: 2025-08-31
End: 2025-08-31
Location: Woodside

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

Green Valley Lake, CA

Saturday, August 2nd, 2025

10K

Half

View details for race Green Valley Lake 5k/10k/& Half Marathon

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

Santa Monica, CA

Saturday, August 2nd, 2025

10K

Half

View details for race Monsters of the Deep- 5K, 10K, and Half Marathon

Run for Wine & Cheese LOS ANGELES

Los Angeles, CA

Saturday, August 2nd, 2025

10K

1 Mile

View details for race Run for Wine & Cheese LOS ANGELES

Singles & Friends Running Club LOS ANGELES

Los Angeles, CA

Saturday, August 2nd, 2025

10K

1 Mile

View details for race Singles & Friends Running Club LOS ANGELES

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

Long beach, CA

Saturday, August 2nd, 2025

10K

Half

View details for race Summer Time/Summer Break 5k, 10k, 15k, Half Marathon

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

Long Beach, CA

Saturday, August 2nd, 2025

10K

10 Miles

View details for race Dog Days of Summer – 5K, 10K, 10M, and Half Marathon

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

Long Beach, CA

Sunday, August 3rd, 2025

10K

Half

View details for race Tiki Run: Popsicles & Paradise 5K, 10K, & Half Marathon

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

Long beach, CA

Sunday, August 3rd, 2025

10K

15K

View details for race Dolphin Dash 5k, 10k, 15k, Half Marathon

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

Santa monica, CA

Sunday, August 3rd, 2025

10K

15K

View details for race Dolphin Dash 5k, 10k, 15k, Half Marathon

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

Long beach, CA

Saturday, August 9th, 2025

10K

15K

View details for race Summer Breeze 5k, 10k, 15k, Half Marathon

Endless Summer Shuffle – 5K, 10K, and Half Mara...

Santa Monica, CA

Saturday, August 9th, 2025

10K

Half

View details for race Endless Summer Shuffle – 5K, 10K, and Half Marathon

Noyo Headlands Race

Fort Bragg, CA

Saturday, August 9th, 2025

Half

10K

Trail

View details for race Noyo Headlands Race

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

Long Beach, CA

Sunday, August 10th, 2025

10K

15K

View details for race Howl at the Moon- 5K, 10K, 10 Miler and Half Marathon

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

Santa Monica, CA

Sunday, August 10th, 2025

10K

Half

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

SAR Wild Run

Shaver Lake, CA

Sunday, August 10th, 2025

Half

10K

Trail

View details for race SAR Wild Run

South Bay 24

San Diego, CA

Friday, August 15th, 2025

Half

Trail

View details for race South Bay 24

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

Canoga Park, CA

Saturday, August 16th, 2025

10K

Half

Trail

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

The Cookie Dash Run LOS ANGELES

Los Angeles, CA

Saturday, August 16th, 2025

10K

1 Mile

Fast

View details for race The Cookie Dash Run LOS ANGELES

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

Santa Monica, CA

Saturday, August 16th, 2025

10K

Half

View details for race The Pineapple Paradise Run 5K, 10K, & Half Marathon

Redwood (Summer) Trail Run

Oakland, CA

Saturday, August 16th, 2025

Half

Ultra

Marathon

Trail

View details for race Redwood (Summer) Trail Run

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

Long beach, CA

Saturday, August 16th, 2025

10K

15K

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

Beer City Half SLAM

Fremont, CA

Saturday, August 16th, 2025

Half

10K

Trail

View details for race Beer City Half SLAM

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

Long beach, CA

Sunday, August 17th, 2025

10K

15K

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

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

Santa monica, CA

Sunday, August 17th, 2025

10K

15K

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

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

Long Beach, CA

Saturday, August 23rd, 2025

10K

10 Miles

View details for race One Love Run – 5K, 10K, 10M, and Half Marathon

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

Santa Monica, CA

Saturday, August 23rd, 2025

10K

Half

View details for race The Mighty Tiki Run 5K, 10K, & Half Marathon

Californian Dreamin 5K, 10K, & Half Marathon

Long Beach, CA

Sunday, August 24th, 2025

10K

Half

View details for race Californian Dreamin 5K, 10K, & Half Marathon

Los Angeles Trail Relay

Los Angeles, CA

Sunday, August 24th, 2025

Half

Trail

View details for race Los Angeles Trail Relay

Sunrise Marathon LOS ANGELES

Los Angeles, CA

Saturday, August 30th, 2025

10K

1 Mile

View details for race Sunrise Marathon LOS ANGELES

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

Long beach, CA

Saturday, August 30th, 2025

10K

15K

View details for race Summer Day 5k, 10k, 15k, Half Marathon

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

Long beach, CA

Sunday, August 31st, 2025

10K

15K

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

SPASM Crystal Springs Trail Run

Woodside, CA

Sunday, August 31st, 2025

10K

Half

Marathon

View details for race SPASM Crystal Springs Trail Run

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