Upcoming Races Near Diamond Bar, CA in May, 2026

Name: 43rd Annual Providence Saint John's Health Center Brentwood Run
Start: 2026-05-24
End: 2026-05-24
Location: Los Angeles

RAA Color RunFest & Wellness Festival

Redlands, CA

Friday, May 1st, 2026

Featured

View details for race RAA Color RunFest & Wellness Festival

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ARMC 5K

Colton, CA

Saturday, May 2nd, 2026

View details for race ARMC 5K

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

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

Dream Mile Color Run 2026

Van Nuys, CA

Saturday, May 2nd, 2026

View details for race Dream Mile Color Run 2026

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

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)

NURSES ROCK Run/Walk

San Dimas, CA

Saturday, May 2nd, 2026

10K

15K

View details for race NURSES ROCK Run/Walk

Nurses Rock

San Dimas, CA

Saturday, May 2nd, 2026

10K

View details for race Nurses Rock

Project Youth OC - 2025 OC Marathon

Costa Mesa, CA

Saturday, May 2nd, 2026

View details for race Project Youth OC - 2025 OC Marathon

Hoag Kids Run The OC

Costa Mesa, CA

Saturday, May 2nd, 2026

1 Mile

View details for race Hoag Kids Run The OC

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

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

Janes Mile

Santa Monica, CA

Sunday, May 3rd, 2026

1 Mile

View details for race Janes Mile

SRLA Victory 5K

Los Angeles, CA

Sunday, May 3rd, 2026

View details for race SRLA Victory 5K

Verdugo Mountains 10K Trail Run & Hike

Glendale, CA

Sunday, May 3rd, 2026

10K

Trail

View details for race Verdugo Mountains 10K Trail Run & Hike

Footsteps for Families

Palmdale, CA

Saturday, May 9th, 2026

View details for race Footsteps for Families

Pi Chi Chapter of Delta Sigma Theta Sorority, I...

Carson, CA

Saturday, May 9th, 2026

View details for race Pi Chi Chapter of Delta Sigma Theta Sorority, Inc. 3rd Annual Sickle Cell Awareness Walk

Autism Shero Run

Van Nuys, CA

Saturday, May 9th, 2026

10K

View details for race Autism Shero Run

WALKUNITEDLA 2026

Inglewood, CA

Saturday, May 9th, 2026

View details for race WALKUNITEDLA 2026

Dream Run

Irvine, CA

Saturday, May 9th, 2026

View details for race Dream Run

Santa Fe Springs 5K Fun Run/Walk

Santa Fe Springs, CA

Saturday, May 9th, 2026

View details for race Santa Fe Springs 5K Fun Run/Walk

Mother’s Day Weekend Autism Awareness 5k -10K ...

Van Nuys, CA

Saturday, May 9th, 2026

10K

View details for race Mother’s Day Weekend Autism Awareness 5k -10K Run/Walk

Happy Mothers Day 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, May 9th, 2026

10K

Half

15K

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

Lynwood 5K/10K Run

Lynwood, CA

Saturday, May 9th, 2026

10K

View details for race Lynwood 5K/10K Run

NIGHT NATION RUN - ORANGE COUNTY

Costa Mesa, CA

Saturday, May 9th, 2026

View details for race NIGHT NATION RUN - ORANGE COUNTY

MVRRC 7th Annual Mother's Day 5K fun Run event

Perris, CA

Sunday, May 10th, 2026

1 Mile

View details for race MVRRC 7th Annual Mother's Day 5K fun Run event

Run for the Rose – 5K, 10K, 10M, and Half Marathon

Long Beach, CA

Sunday, May 10th, 2026

10K

15K

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

Long Beach Mother's Day Bloom & Zoom 5K, 10K, H...

Long Beach, CA

Sunday, May 10th, 2026

10K

Half

View details for race Long Beach Mother's Day Bloom & Zoom 5K, 10K, Half Marathon by Califlow Runs

Run for the Ranch! 5K Run/Walk

Pico Rivera, CA

Saturday, May 16th, 2026

View details for race Run for the Ranch! 5K Run/Walk

2026 Torrance Stars and Strides 5k Run/Walk

Torrance, CA

Saturday, May 16th, 2026

View details for race 2026 Torrance Stars and Strides 5k Run/Walk

The Sports Spectacular 5K/10K

Huntington Beach, CA

Saturday, May 16th, 2026

10K

View details for race The Sports Spectacular 5K/10K

Villa Park 5K

Villa Park, CA

Saturday, May 16th, 2026

View details for race Villa Park 5K

5k de Mayo

Victorville, CA

Saturday, May 16th, 2026

View details for race 5k de Mayo

Canyon City Classic

Azusa, CA

Saturday, May 16th, 2026

10K

View details for race Canyon City Classic

Sweet Life Run 5K. 10K. Half Marathon by Califl...

Long Beach, CA

Saturday, May 16th, 2026

10K

Half

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

The Afterlife 5K, 10K, Half Marathon- Night Sum...

Long Beach, CA

Saturday, May 16th, 2026

10K

Half

View details for race The Afterlife 5K, 10K, Half Marathon- Night SummerWeen Series by Califlow Runs

Breezin’ Through Beaumont

Beaumont, CA

Saturday, May 16th, 2026

View details for race Breezin’ Through Beaumont

KID-FIT Family Fun Run 5K & 1K - All Ages

South El Monte, CA

Saturday, May 16th, 2026

Trail

View details for race KID-FIT Family Fun Run 5K & 1K - All Ages

The Beach Boys 5K & Wellness Day

Santa Monica, CA

Saturday, May 16th, 2026

View details for race The Beach Boys 5K & Wellness Day

The Cobra 5Kai, 10Kai & Half Miyagithon

Canoga Park, CA

Saturday, May 16th, 2026

10K

Half

Fast

View details for race The Cobra 5Kai, 10Kai & Half Miyagithon

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

Long beach, CA

Sunday, May 17th, 2026

Half

15K

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

Great Donut Run / Walk 5k

Irvine, CA

Sunday, May 17th, 2026

1 Mile

Fast

View details for race Great Donut Run / Walk 5k

Whittier Narrows Spring Running Festival

South El Monte, CA

Sunday, May 17th, 2026

10K

15K

View details for race Whittier Narrows Spring Running Festival

Run to Remember 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, May 23rd, 2026

15K

Half

View details for race Run to Remember 5k, 10k, 15k, Half Marathon

Strawberry Stomp 5K

Garden Grove, CA

Saturday, May 23rd, 2026

View details for race Strawberry Stomp 5K

The Valley Race – 5k, 10k, and Half Marathon

Van Nuys, CA

Saturday, May 23rd, 2026

10K

Half

View details for race The Valley Race – 5k, 10k, and Half Marathon

Mount Wilson Trail Race

Sierra Madre, CA

Saturday, May 23rd, 2026

View details for race Mount Wilson Trail Race

Exposition Race of Legends 5K Run

Los Angeles, CA

Sunday, May 24th, 2026

View details for race Exposition Race of Legends 5K Run

43rd Annual Providence Saint John's Health Cent...

Los Angeles, CA

Sunday, May 24th, 2026

10K

View details for race 43rd Annual Providence Saint John's Health Center Brentwood Run

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

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