Upcoming 5K Races Near Diamond Bar, CA

Name: May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs
Start: 2026-05-03
End: 2026-05-03
Location: Long Beach

The Ovarian Cancer Circle 5th Teal There's A Cu...

Los Angeles, CA

Monday, April 6th, 2026

Featured

View details for race The Ovarian Cancer Circle 5th Teal There's A Cure 5K Walk Run

Want to feature your race?

Get your race seen first by thousands of runners

Learn More

Learn how to feature your race

Spring Fling Run – 5K, 10K, Half Marathon

Lake View Terrace, CA

Saturday, April 11th, 2026

10K

Half

View details for race Spring Fling Run – 5K, 10K, Half Marathon

Run With All Your Heart 5k- Los Angeles

Los Angeles, CA

Saturday, April 11th, 2026

View details for race Run With All Your Heart 5k- Los Angeles

Los Angeles Superhero 5K Run Walk Health & Safe...

Los Angeles, CA

Saturday, April 11th, 2026

1 Mile

Trail

View details for race Los Angeles Superhero 5K Run Walk Health & Safety Expo

2026 Fear the Spear 5K

Alhambra, CA

Saturday, April 11th, 2026

View details for race 2026 Fear the Spear 5K

Generations In Motion 1 Mile and 5K, Stroll, Ro...

Los Angeles, CA

Saturday, April 11th, 2026

1 Mile

View details for race Generations In Motion 1 Mile and 5K, Stroll, Roll, or Run

Santa Ana Fun Run

Santa Ana, CA

Saturday, April 11th, 2026

10K

View details for race Santa Ana Fun Run

Fenton Charter Public School Community 5k Run

Sylmar, CA

Saturday, April 11th, 2026

View details for race Fenton Charter Public School Community 5k Run

Alvord Educational Foundation Spirit Run

Riverside, CA

Saturday, April 11th, 2026

1 Mile

View details for race Alvord Educational Foundation Spirit Run

THE 8TH ANNUAL GRAND PRIX FOUNDATION OF LONG BE...

Long Beach, CA

Sunday, April 12th, 2026

View details for race THE 8TH ANNUAL GRAND PRIX FOUNDATION OF LONG BEACH 5K RUN/WALK

Totally 80's Fast Times in Huntington Beach 5K,...

Huntington Beach, CA

Sunday, April 12th, 2026

10K

Half

Fast

View details for race Totally 80's Fast Times in Huntington Beach 5K, 10K, & Half Marathon

Run4Kids

Corona, CA

Friday, April 17th, 2026

View details for race Run4Kids

The Riverside County K9 Run & Walk With the Ani...

Riverside, CA

Saturday, April 18th, 2026

1 Mile

View details for race The Riverside County K9 Run & Walk With the Animals Experience

Run for the Planet - Earth Day Celebration 5K, ...

Huntington Beach, CA

Saturday, April 18th, 2026

10K

Half

View details for race Run for the Planet - Earth Day Celebration 5K, 10K, and Half Marathon

5K for Fragile X

San Dimas, CA

Saturday, April 18th, 2026

View details for race 5K for Fragile X

Dam Good 5k, 10k, 15k, Half Marathon

Lake View Terrace, CA

Saturday, April 18th, 2026

Half

10K

View details for race Dam Good 5k, 10k, 15k, Half Marathon

Run for the Planet - Earth Day Celebration 5K, ...

Long beach, CA

Saturday, April 18th, 2026

10K

Half

View details for race Run for the Planet - Earth Day Celebration 5K, 10K, and Half Marathon

LASD SUICIDE AWARENESS AND PREVENTION 5K RUN & ...

Los Angeles, CA

Saturday, April 18th, 2026

View details for race LASD SUICIDE AWARENESS AND PREVENTION 5K RUN & WALK

7th Annual Super Bulldog Jog 5K Run/Walk

Los Angeles, CA

Saturday, April 18th, 2026

View details for race 7th Annual Super Bulldog Jog 5K Run/Walk

Run for the Planet – 5K, 10K, 10M, and Half Mar...

Long Beach, CA

Sunday, April 19th, 2026

10K

Half

View details for race Run for the Planet – 5K, 10K, 10M, and Half Marathon

Bruin Run/Walk 5K

Los Angeles, CA

Sunday, April 19th, 2026

View details for race Bruin Run/Walk 5K

Earth Day 5K (Sponsored by AREC)

Long Beach, CA

Thursday, April 23rd, 2026

View details for race Earth Day 5K (Sponsored by AREC)

UCR Glow Run 2026

Riverside, CA

Thursday, April 23rd, 2026

View details for race UCR Glow Run 2026

Kiwanis El Segundo PTA Run for Education 5K/10K

El Segundo, CA

Saturday, April 25th, 2026

10K

View details for race Kiwanis El Segundo PTA Run for Education 5K/10K

Crescenta Valley HomeTown 5K

La Crescenta, CA

Saturday, April 25th, 2026

View details for race Crescenta Valley HomeTown 5K

Orange County Superhero 5K Run Walk Health & Sa...

Irvine, CA

Saturday, April 25th, 2026

Trail

View details for race Orange County Superhero 5K Run Walk Health & Safety Expo

Coffee Lovers Run LOS ANGELES

Los Angeles, CA

Saturday, April 25th, 2026

10K

Half

View details for race Coffee Lovers Run LOS ANGELES

COVINA FUN RUN XXIX

Covina, CA

Saturday, April 25th, 2026

View details for race COVINA FUN RUN XXIX

Running Is For The Birds

Huntington Beach, CA

Saturday, April 25th, 2026

10K

Fast

View details for race Running Is For The Birds

OneLegacy Donate Life Run/Walk 2026

Azusa, CA

Saturday, April 25th, 2026

View details for race OneLegacy Donate Life Run/Walk 2026

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

Long beach, CA

Saturday, April 25th, 2026

15K

Half

10K

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

Move4U 5K Run/Walk for Parkinson's, Dystonia, &...

Fountain Valley, CA

Saturday, April 25th, 2026

View details for race Move4U 5K Run/Walk for Parkinson's, Dystonia, & Movement Disorders

Wildflower 5k, 10k, 15k, Half Marathon

Riverside, CA

Sunday, April 26th, 2026

Half

10K

View details for race Wildflower 5k, 10k, 15k, Half Marathon

RIS 5K on the Peninsula

Palos Verdes Peninsula, CA

Sunday, April 26th, 2026

View details for race RIS 5K on the Peninsula

4th Annual Northeast Trail 5K (RUN/WALK)

Los Angeles, CA

Sunday, April 26th, 2026

View details for race 4th Annual Northeast Trail 5K (RUN/WALK)

RIS 5K

Rolling Hills Estates, CA

Sunday, April 26th, 2026

View details for race RIS 5K

Orange County Multi-Sport Festival

Mission Viejo, CA

Sunday, April 26th, 2026

Ultra

1 Mile

View details for race Orange County Multi-Sport Festival

Super Hero Dash – 5K, 10K, 10M, and Half Marathon

Long Beach, CA

Sunday, April 26th, 2026

10K

15K

View details for race Super Hero Dash – 5K, 10K, 10M, and Half Marathon

March for Marrow California

Long Beach, CA

Sunday, April 26th, 2026

View details for race March for Marrow California

RAA Color RunFest & Wellness Festival

Redlands, CA

Friday, May 1st, 2026

View details for race RAA Color RunFest & Wellness Festival

Nurses Rock

San Dimas, CA

Saturday, May 2nd, 2026

10K

View details for race Nurses Rock

NURSES ROCK Run/Walk

San Dimas, CA

Saturday, May 2nd, 2026

10K

15K

View details for race NURSES ROCK Run/Walk

The Rebel Run – 5K, 10K, 10M, and Half Marathon

Long Beach, CA

Saturday, May 2nd, 2026

10K

Half

View details for race The Rebel Run – 5K, 10K, 10M, and Half Marathon

ARMC 5K

Colton, CA

Saturday, May 2nd, 2026

View details for race ARMC 5K

The 2026 Hoag OC Marathon Running Festival (Exp...

Costa Mesa, CA

Saturday, May 2nd, 2026

Half

Marathon

View details for race The 2026 Hoag OC Marathon Running Festival (Expo Registration)

Dream Mile Color Run 2026

Van Nuys, CA

Saturday, May 2nd, 2026

View details for race Dream Mile Color Run 2026

The Hoag OC Marathon Running Festival

Costa Mesa, CA

Saturday, May 2nd, 2026

Half

Marathon

View details for race The Hoag OC Marathon Running Festival

Finish The Ride and Finish The Run Griffith Park

Los Angeles, CA

Saturday, May 2nd, 2026

10K

15K

View details for race Finish The Ride and Finish The Run Griffith Park

SoCal's Cinco De Miles 5K and 5 MILE

Huntington Beach, CA

Saturday, May 2nd, 2026

1 Mile

View details for race SoCal's Cinco De Miles 5K and 5 MILE

May the 4th be with You- The Empire Strides Bac...

Long Beach, CA

Sunday, May 3rd, 2026

10K

Half

View details for race May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs

Explore more in Diamond Bar, CA

Distances:

5K 10K Half Marathon Marathon

Months:

April May June

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

Don't see your race? Add it!

Add Your Race (Free)