Upcoming Races Near Rancho Cucamonga, CA in August, 2026

Organize a race? Get it in front of thousands of runners.

Add it free Feature it

Four Fools Wine Run 5k

Rodeo, CA

Saturday, June 13th, 2026

Featured

View details for race Four Fools Wine Run 5k

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

Green Valley Lake, CA

Saturday, August 1st, 2026

10K

Half

Trail

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

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

Long Beach, CA

Saturday, August 1st, 2026

10K

10 Miles

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

Pride of the Valley 5K & 10K

Baldwin Park, CA

Saturday, August 1st, 2026

10K

View details for race Pride of the Valley 5K & 10K

Tiki Time Run: Paradise Run 5K, 10K, & Half Ma...

Long Beach, CA

Saturday, August 1st, 2026

10K

Half

View details for race Tiki Time Run: Paradise Run 5K, 10K, & Half Marathon by Califlow Runs

Conquer the Overlook 5K Run

Culver City, CA

Saturday, August 1st, 2026

View details for race Conquer the Overlook 5K Run

Run LA 10 Miler

Los Angeles, CA

Sunday, August 2nd, 2026

10 Miles

10K

View details for race Run LA 10 Miler

Track Night Los Angeles

Los Angeles, CA

Tuesday, August 4th, 2026

1 Mile

View details for race Track Night Los Angeles

Coveathlon #4

Newport Beach, CA

Thursday, August 6th, 2026

10K

Fast

View details for race Coveathlon #4

Lucky 8 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, August 8th, 2026

10K

Half

View details for race Lucky 8 5k, 10k, 15k, Half Marathon

Run Through the Pines | 5K and 10K

Crestline, CA

Saturday, August 8th, 2026

10K

View details for race Run Through the Pines | 5K and 10K

Sun and Summit 5k, 10k, 15k, Half Marathon

Los Angeles, CA

Sunday, August 9th, 2026

10K

Half

15K

Trail

View details for race Sun and Summit 5k, 10k, 15k, Half Marathon

Howl at the Moon – 5K, 10K, 10M, and Half Marathon

Long Beach, CA

Sunday, August 9th, 2026

10K

15K

View details for race Howl at the Moon – 5K, 10K, 10M, and Half Marathon

Sundae Funday - Ice Cream Run 5K, 10K, and Half...

Long Beach, CA

Sunday, August 9th, 2026

10K

Half

View details for race Sundae Funday - Ice Cream Run 5K, 10K, and Half Marathon

The OC Fair Fun Run

Costa Mesa, CA

Sunday, August 9th, 2026

1 Mile

View details for race The OC Fair Fun Run

5K Entry Hot Dog Lemonade with or without Pet

Los Angeles, CA

Saturday, August 15th, 2026

View details for race 5K Entry Hot Dog Lemonade with or without Pet

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

Long beach, CA

Saturday, August 15th, 2026

Half

15K

10K

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

Idyllwild Race 5K / 10K

Idyllwild, CA

Saturday, August 15th, 2026

10K

View details for race Idyllwild Race 5K / 10K

Conquer the Wall

Big Bear Lake, CA

Saturday, August 15th, 2026

1 Mile

Trail

View details for race Conquer the Wall

Run Happyish 5K. 10K. Half Marathon by Califlow...

Long Beach, CA

Sunday, August 16th, 2026

10K

Half

Fast

View details for race Run Happyish 5K. 10K. Half Marathon by Califlow Runs

LAPD Foothill Fitness Run

Lake View Terrace, CA

Sunday, August 16th, 2026

10K

Trail

View details for race LAPD Foothill Fitness Run

LA's Race Against Gun Violence

Carson, CA

Sunday, August 16th, 2026

View details for race LA's Race Against Gun Violence

The The Wheely Fast Hamster Run 5K, 10K, Half M...

Long Beach, CA

Sunday, August 16th, 2026

10K

Half

Fast

View details for race The The Wheely Fast Hamster Run 5K, 10K, Half Marathon by Califlow Runs

Long Beach Easy Breezy 5K, 10K, & Half Marathon...

Long Beach, CA

Sunday, August 16th, 2026

10K

Half

Fast

View details for race Long Beach Easy Breezy 5K, 10K, & Half Marathon by Califlow Runs

Heroes 4 Hearing 5K

Long Beach, CA

Sunday, August 16th, 2026

View details for race Heroes 4 Hearing 5K

Pre Reg 2026 Heroes 4 Hearing 5K

Long Beach, CA

Sunday, August 16th, 2026

View details for race Pre Reg 2026 Heroes 4 Hearing 5K

Dream Big 5k

Victorville, CA

Saturday, August 22nd, 2026

View details for race Dream Big 5k

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

Long beach, CA

Saturday, August 22nd, 2026

15K

Half

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

Albert Rivera Menudo Run

South El Monte, CA

Saturday, August 22nd, 2026

10K

View details for race Albert Rivera Menudo Run

RUN FOR ASL 5K

Culver City, CA

Saturday, August 22nd, 2026

View details for race RUN FOR ASL 5K

Shoreline Park Half Marathon - ShorelineParkHal...

Long Beach, CA

Sunday, August 23rd, 2026

Half

10K

View details for race Shoreline Park Half Marathon - ShorelineParkHalf.com

Splash Dash 5k (& Dry Run 5k) at Wild Rivers in...

Irvine, CA

Sunday, August 23rd, 2026

View details for race Splash Dash 5k (& Dry Run 5k) at Wild Rivers in Irvine

Californian Dreamin 5K, 10K, & Half Marathon

Long Beach, CA

Sunday, August 23rd, 2026

10K

Half

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

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

Long Beach, CA

Sunday, August 23rd, 2026

10K

10 Miles

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

Night of the Running Dead 5K, 10K, 1 Miler, Hal...

Long Beach, CA

Saturday, August 29th, 2026

10K

Half

View details for race Night of the Running Dead 5K, 10K, 1 Miler, Half Marathon SummerWeen Series by Califlow Runs

Blacklight Run | Pomona

Pomona, CA

Saturday, August 29th, 2026

Fast

View details for race Blacklight Run | Pomona

Bubble Run | Pomona

Pomona, CA

Saturday, August 29th, 2026

View details for race Bubble Run | Pomona

Explore more in Rancho Cucamonga, CA

Jump straight to races by distance, month, or type.

Distance

5K 10K Half Marathon Marathon

Month

June July August

Race type

Trail Boston Qualifiers Fast Courses

Run clubs

Run clubs in Rancho Cucamonga

Nearby

Pomona San Dimas Riverside Anaheim Silverado South El Monte All California races