Upcoming 5K Races Near Fullerton, CA

Name: Hills Are Alive Run/Walk
Start: 2026-05-30
End: 2026-05-30
Location: Rolling Hills Estates

The Hoag OC Marathon Running Festival

Costa Mesa, CA

Saturday, May 2nd, 2026

Featured

Half

Marathon

View details for race The Hoag OC Marathon Running Festival

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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

NURSES ROCK Run/Walk

San Dimas, CA

Saturday, May 2nd, 2026

10K

15K

View details for race NURSES ROCK Run/Walk

Dream Mile Color Run 2026

Van Nuys, CA

Saturday, May 2nd, 2026

View details for race Dream Mile Color Run 2026

ARMC 5K

Colton, CA

Saturday, May 2nd, 2026

View details for race ARMC 5K

RUN DE CINCO

Eastvale, CA

Saturday, May 2nd, 2026

View details for race RUN DE CINCO

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

Nurses Rock

San Dimas, CA

Saturday, May 2nd, 2026

10K

View details for race Nurses Rock

Tacos N' Beer 5k--L.A. May 2, 2026

South El Monte, CA

Saturday, May 2nd, 2026

View details for race Tacos N' Beer 5k--L.A. May 2, 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)

SRLA Victory 5K

Los Angeles, CA

Sunday, May 3rd, 2026

View details for race SRLA Victory 5K

RAA Color RunFest & Wellness Festival

Redlands, CA

Sunday, May 3rd, 2026

View details for race RAA Color RunFest & Wellness 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

Santa Fe Springs Totally 80's 5K Fun Run/Walk

Santa Fe Springs, CA

Saturday, May 9th, 2026

View details for race Santa Fe Springs Totally 80's 5K Fun Run/Walk

Dream Run

Irvine, CA

Saturday, May 9th, 2026

View details for race Dream Run

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

Long beach, CA

Saturday, May 9th, 2026

15K

10K

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

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

NIGHT NATION RUN - ORANGE COUNTY

Costa Mesa, CA

Saturday, May 9th, 2026

View details for race NIGHT NATION RUN - ORANGE COUNTY

Autism Shero Run

Van Nuys, CA

Saturday, May 9th, 2026

10K

View details for race Autism Shero Run

Lynwood 5K/10K Run

Lynwood, CA

Saturday, May 9th, 2026

10K

View details for race Lynwood 5K/10K Run

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

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 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

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

Villa Park 5K

Villa Park, CA

Saturday, May 16th, 2026

View details for race Villa Park 5K

The Beach Boys 5K & Wellness Day

Santa Monica, CA

Saturday, May 16th, 2026

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

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 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

The Sports Spectacular 5K/10K

Huntington Beach, CA

Saturday, May 16th, 2026

10K

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

Run for the Ranch! 5K Run/Walk & Resource Fair

Pico Rivera, CA

Saturday, May 16th, 2026

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

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

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

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

Long Beach Pride Run 2026

Long Beach, CA

Sunday, May 17th, 2026

10K

View details for race Long Beach Pride Run 2026

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

Long beach, CA

Sunday, May 17th, 2026

15K

10K

Half

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

Strawberry Stomp 5K

Garden Grove, CA

Saturday, May 23rd, 2026

View details for race Strawberry Stomp 5K

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

Long beach, CA

Saturday, May 23rd, 2026

10K

Half

15K

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

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

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

Glendora Memorial Day 5K

Glendora, CA

Monday, May 25th, 2026

View details for race Glendora Memorial Day 5K

2026 Foothills Strong Run

La Canada Flintridge, CA

Monday, May 25th, 2026

1 Mile

View details for race 2026 Foothills Strong Run

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

Long beach, CA

Monday, May 25th, 2026

15K

Half

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

Laguna Hills Memorial Day Half Marathon, 5K & 10K

Laguna Hills, CA

Monday, May 25th, 2026

Half

10K

View details for race Laguna Hills Memorial Day Half Marathon, 5K & 10K

7th Annual SJC Community Run

San Juan Capistrano, CA

Saturday, May 30th, 2026

View details for race 7th Annual SJC Community Run

Hills Are Alive Run/Walk

Rolling Hills Estates, CA

Saturday, May 30th, 2026

10K

Trail

View details for race Hills Are Alive Run/Walk

Explore more in Fullerton, CA

Distances:

5K 10K Half Marathon Marathon

Months:

May June July

Tags:

Trail Boston Qualifiers Fast Courses

State:

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