Upcoming Races Near Ontario, CA

Name: Great Donut Run / Walk 5k
Start: 2025-05-18
End: 2025-05-18
Location: Irvine

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Run Tiburon UCSF Courage Over Cancer 10K & 5K

Belvedere Tiburon, CA

Sunday, September 7th, 2025

Featured

10K

View details for race Run Tiburon UCSF Courage Over Cancer 10K & 5K

Marathon in May for Mental Health!

Los Angeles, CA

Thursday, May 1st, 2025

Marathon

View details for race Marathon in May for Mental Health!

Run4Kids Ultra Running Party

Corona, CA

Friday, May 2nd, 2025

Marathon

Ultra

View details for race Run4Kids Ultra Running Party

Cinco De Mayo Run: Against All Odds LOS ANGELES

Los Angeles, CA

Saturday, May 3rd, 2025

10K

Half

View details for race Cinco De Mayo Run: Against All Odds LOS ANGELES

Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & ...

Venice Beach, CA

Saturday, May 3rd, 2025

10K

Half

View details for race Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon

Cinco de Mayo 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, May 3rd, 2025

10K

15K

View details for race Cinco de Mayo 5k, 10k, 15k, Half Marathon

Kids Run the OC Final Mile Empowered By Hoag

Costa Mesa, CA

Saturday, May 3rd, 2025

1 Mile

View details for race Kids Run the OC Final Mile Empowered By Hoag

Santa Fe Springs 5K Fun Run/Walk

Santa Fe Springs, CA

Saturday, May 3rd, 2025

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TacoNBeer5k--May 3, 2025

South El Monte, CA

Saturday, May 3rd, 2025

View details for race TacoNBeer5k--May 3, 2025

The OC Marathon Running Festival

Costa Mesa, CA

Saturday, May 3rd, 2025

Half

Marathon

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NURSES ROCK Run/Walk

San Dimas, CA

Saturday, May 3rd, 2025

10K

15K

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Hollywood to the Sea

Los Angeles, CA

Saturday, May 3rd, 2025

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Murrieta 5K

Murrieta, CA

Saturday, May 3rd, 2025

View details for race Murrieta 5K

Project Youth OC - 2025 OC Marathon

Costa Mesa, CA

Saturday, May 3rd, 2025

View details for race Project Youth OC - 2025 OC Marathon

Run4Kids

Corona, CA

Saturday, May 3rd, 2025

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SRLA Spring into Summer 5K

Los Angeles, CA

Sunday, May 4th, 2025

View details for race SRLA Spring into Summer 5K

Empire Strides Back - May the 4th be with You 5...

Long Beach, CA

Sunday, May 4th, 2025

10K

Half

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

SoCal's Cinco De Miles 5K and 5 MILE

Huntington Beach, CA

Sunday, May 4th, 2025

1 Mile

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

Verdugo Mountains 10K Trail Run & Hike

Glendale, CA

Sunday, May 4th, 2025

10K

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May the 4th Run – 5K, 10K, 10M, and Half Marathon

Long Beach, CA

Sunday, May 4th, 2025

10K

Half

View details for race May the 4th Run – 5K, 10K, 10M, and Half Marathon

VERDUGO MOUNTAINS 10K TRAIL RUN & HIKE

Glendale, CA

Sunday, May 4th, 2025

View details for race VERDUGO MOUNTAINS 10K TRAIL RUN & HIKE

Run Cypress College 5k

Cypress, CA

Monday, May 5th, 2025

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Hitchhiker's Guide to the 5K, 10K

Huntington Beach, CA

Saturday, May 10th, 2025

10K

View details for race Hitchhiker's Guide to the 5K, 10K

The Lynwood 5K/10K Run

Lynwood, CA

Saturday, May 10th, 2025

10K

View details for race The Lynwood 5K/10K Run

Sunrise Marathon LOS ANGELES

Los Angeles, CA

Saturday, May 10th, 2025

10K

Half

View details for race Sunrise Marathon LOS ANGELES

LA Unified 5K "MOVE IT" Wellness Walk and Healt...

Los Angeles, CA

Saturday, May 10th, 2025

View details for race LA Unified 5K "MOVE IT" Wellness Walk and Health Festival

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

Pacoima, CA

Saturday, May 10th, 2025

10K

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

Bloom under the Flower Moon - Mothers Day 5K, 1...

Venice Beach, CA

Saturday, May 10th, 2025

10K

Half

View details for race Bloom under the Flower Moon - Mothers Day 5K, 10K, & Half Marathon

Mothers Day - Endless Love 5K, 10K, and Half Ma...

Huntington Beach, CA

Saturday, May 10th, 2025

10K

Half

View details for race Mothers Day - Endless Love 5K, 10K, and Half Marathon

Muddy Princess - Temecula, CA

Temecula, CA

Saturday, May 10th, 2025

View details for race Muddy Princess - Temecula, CA

MVRRC 6th Annual Mother's Day 5K fun Run

Perris, CA

Saturday, May 10th, 2025

1 Mile

View details for race MVRRC 6th Annual Mother's Day 5K fun Run

NIGHT NATION RUN - ORANGE COUNTY

Costa Mesa, CA

Saturday, May 10th, 2025

View details for race NIGHT NATION RUN - ORANGE COUNTY

Boys & Girls Clubs of Inland Valley Annual Fami...

Riverside, CA

Saturday, May 10th, 2025

View details for race Boys & Girls Clubs of Inland Valley Annual Family 5K

Mother's Day 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, May 10th, 2025

10K

15K

View details for race Mother's Day 5k, 10k, 15k, Half Marathon

Boys & Girls Clubs of Inland Valley Annual Fami...

Perris, CA

Saturday, May 10th, 2025

View details for race Boys & Girls Clubs of Inland Valley Annual Family 5K

Autism Shero Run

Pacoima, CA

Saturday, May 10th, 2025

10K

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Mahalo Miles - Miles of Gratitude 5K, 10K, & Ha...

Huntington Beach, CA

Sunday, May 11th, 2025

10K

Half

View details for race Mahalo Miles - Miles of Gratitude 5K, 10K, & Half Marathon

Run for the Rose - Mother's Day 5K, 10K, 10 Mil...

Long Beach, CA

Sunday, May 11th, 2025

10K

15K

View details for race Run for the Rose - Mother's Day 5K, 10K, 10 Miler and Half Marathon

SoCal's Pirate's 5k/10k Run/Walk

Huntington Beach, CA

Saturday, May 17th, 2025

10K

View details for race SoCal's Pirate's 5k/10k Run/Walk

Inland Empire Kickoff Run/Walk 1 mile & 5k

Rancho Cucamonga, CA

Saturday, May 17th, 2025

1 Mile

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Canyon City Classic

Azusa, CA

Saturday, May 17th, 2025

10K

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Breezin’ Through Beaumont

Beaumont, CA

Saturday, May 17th, 2025

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Run for the Ranch! 5K Run/Walk

Pico Rivera, CA

Saturday, May 17th, 2025

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

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

Long beach, CA

Saturday, May 17th, 2025

10K

15K

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

Temescal Valley Community Faire 5K-10K

Temescal Valley, CA

Saturday, May 17th, 2025

10K

View details for race Temescal Valley Community Faire 5K-10K

Santa Ana Fun Run

Santa Ana, CA

Saturday, May 17th, 2025

10K

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

South El Monte, CA

Saturday, May 17th, 2025

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

Torrance Armed Forces Day 5k Run/Walk

Torrance, CA

Saturday, May 17th, 2025

View details for race Torrance Armed Forces Day 5k Run/Walk

Long Beach Pride Run 2025

Long Beach, CA

Sunday, May 18th, 2025

10K

View details for race Long Beach Pride Run 2025

Whittier Narrows Spring Running Festival

South El Monte, CA

Sunday, May 18th, 2025

10K

15K

View details for race Whittier Narrows Spring Running Festival

Great Donut Run / Walk 5k

Irvine, CA

Sunday, May 18th, 2025

1 Mile

View details for race Great Donut Run / Walk 5k