Upcoming 5K Races Near Ontario, CA

Name: Totally 80's Fast Times in Huntington Beach 5K, 10K, & Half Marathon
Start: 2026-04-12
End: 2026-04-12
Location: Huntington Beach

Cemex Quarry Quest 5K Rialto

Rialto, CA

Saturday, March 7th, 2026

Featured

View details for race Cemex Quarry Quest 5K Rialto

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Nutty Cutters 5k

Palmdale, CA

Saturday, March 7th, 2026

View details for race Nutty Cutters 5k

Bell Gardens 5K

Bell Gardens, CA

Saturday, March 7th, 2026

Fast

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PSL Evolve Harvest 5K Walk/Run

Riverside, CA

Saturday, March 7th, 2026

View details for race PSL Evolve Harvest 5K Walk/Run

Bayshore 70.4 -- Sprint Triathlon---

Long Beach, CA

Saturday, March 7th, 2026

10K

View details for race Bayshore 70.4 -- Sprint Triathlon---

Chino DairyAire 5K Run/Walk 2026

Chino, CA

Saturday, March 7th, 2026

Fast

View details for race Chino DairyAire 5K Run/Walk 2026

Lakewood Run

Lakewood, CA

Saturday, March 7th, 2026

10K

View details for race Lakewood Run

Lemon Zest 5K & Kids 1K Dash

Upland, CA

Saturday, March 7th, 2026

View details for race Lemon Zest 5K & Kids 1K Dash

Together We Walk 5K Walk & Fun Run

Long Beach, CA

Sunday, March 8th, 2026

View details for race Together We Walk 5K Walk & Fun Run

Ho'omau Foundation 5K from anywhere in the world

World, CA

Friday, March 13th, 2026

View details for race Ho'omau Foundation 5K from anywhere in the world

Shamrocked: The Friday the 13th After Dark - ...

Long Beach, CA

Friday, March 13th, 2026

10K

Half

View details for race Shamrocked: The Friday the 13th After Dark - 5K. 10K. Half Marathon

Leprechaun Chase – 5K, 10K, 10-Miler, Half Mara...

Long Beach, CA

Saturday, March 14th, 2026

10K

15K

View details for race Leprechaun Chase – 5K, 10K, 10-Miler, Half Marathon

St. Anthony High School's 17th Annual SAINTS RU...

Long Beach, CA

Saturday, March 14th, 2026

View details for race St. Anthony High School's 17th Annual SAINTS RUN 5K

Kappa Delta's Shamrock 5K Walk/Run

San Bernardino, CA

Saturday, March 14th, 2026

View details for race Kappa Delta's Shamrock 5K Walk/Run

St. Patrick's Day 5K Run / Community Walk (Rivi...

Redondo Beach (Riviera Village), CA

Saturday, March 14th, 2026

View details for race St. Patrick's Day 5K Run / Community Walk (Riviera Village)

St. Patrick's Day 5K Run / Community Walk

Redondo Beach, CA

Saturday, March 14th, 2026

View details for race St. Patrick's Day 5K Run / Community Walk

Rockin' Shamrock 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, March 14th, 2026

10K

Half

View details for race Rockin' Shamrock 5k, 10k, 15k, Half Marathon

Apple Valley's Desert Rock and Road Half Marath...

Apple Valley, CA

Saturday, March 14th, 2026

Half

10K

View details for race Apple Valley's Desert Rock and Road Half Marathon 2026

Honor Our Fallen 5K

San Bernardino, CA

Sunday, March 15th, 2026

View details for race Honor Our Fallen 5K

REACH Foundation Shamrock 'n Run

Anaheim, CA

Sunday, March 15th, 2026

View details for race REACH Foundation Shamrock 'n Run

The Long Beach Leprechaun Run - Kids Dash, 1 Mi...

Long Beach, CA

Sunday, March 15th, 2026

1 Mile

10K

View details for race The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon

CSDR's 6th Annual Cub 5k Run/Walk hosted by the...

Riverside, CA

Friday, March 20th, 2026

View details for race CSDR's 6th Annual Cub 5k Run/Walk hosted by the PE Department

2025 Annual 5K Walk/Run With Hope

Yorba Linda, CA

Saturday, March 21st, 2026

View details for race 2025 Annual 5K Walk/Run With Hope

Santiago Canyon College’s Hawk's Flight 5K

Orange, CA

Saturday, March 21st, 2026

Fast

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Huntington Park 5K Fun Run

Huntington Park, CA

Saturday, March 21st, 2026

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The Water Run

Murrieta, CA

Saturday, March 21st, 2026

View details for race The Water Run

Beer City Long Beach

Long Beach, CA

Saturday, March 21st, 2026

Half

10K

View details for race Beer City Long Beach

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

Long beach, CA

Saturday, March 21st, 2026

15K

Half

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

Orange County - HFTC 5k

Long Beach, CA

Saturday, March 21st, 2026

View details for race Orange County - HFTC 5k

Tunnel to Towers 5K Run & Walk - Riverside Coun...

Riverside, CA

Saturday, March 21st, 2026

Fast

View details for race Tunnel to Towers 5K Run & Walk - Riverside County, CA

Corona 5000

Corona, CA

Saturday, March 21st, 2026

View details for race Corona 5000

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

Anaheim, CA

Sunday, March 22nd, 2026

15K

Half

10K

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

RunThrough USA Long Beach 5k,10k & Half Maratho...

Long Beach, CA

Saturday, March 28th, 2026

10K

Half

View details for race RunThrough USA Long Beach 5k,10k & Half Marathon Race

Muddy Dash | Irvine

Silverado, CA

Saturday, March 28th, 2026

View details for race Muddy Dash | Irvine

Disco Miles: Beachfront Boogie 5K, 10K, Half Ma...

Long Beach, CA

Saturday, March 28th, 2026

10K

Half

View details for race Disco Miles: Beachfront Boogie 5K, 10K, Half Marathon by Califlow Runs

Running for the Rescues – 5K, 10K, 10-Miler, Ha...

Long Beach, CA

Sunday, March 29th, 2026

10K

10 Miles

View details for race Running for the Rescues – 5K, 10K, 10-Miler, Half Marathon

No FOOLIN' - 5K, 10K, & Half Marathon

Long Beach, CA

Sunday, March 29th, 2026

10K

Half

View details for race No FOOLIN' - 5K, 10K, & Half Marathon

The Rabbit Run 5k & OC Challenge Wild Hare 5k I...

Irvine, CA

Saturday, April 4th, 2026

Trail

Fast

View details for race The Rabbit Run 5k & OC Challenge Wild Hare 5k IRVINE

The Great Bunny Hop – 5K, 10K, 10-Miler, Half M...

Long Beach, CA

Saturday, April 4th, 2026

10K

10 Miles

View details for race The Great Bunny Hop – 5K, 10K, 10-Miler, Half Marathon

Hoppy Easter 5k, 10k, 15k, Half Marathon

Los Angeles, CA

Saturday, April 4th, 2026

10K

15K

View details for race Hoppy Easter 5k, 10k, 15k, Half Marathon

Santa Anita Derby Day 5K

Arcadia, CA

Saturday, April 4th, 2026

View details for race Santa Anita Derby Day 5K

Santa Ana Fun Run

Santa Ana, CA

Saturday, April 11th, 2026

10K

View details for race Santa Ana Fun Run

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

Alvord Educational Foundation Spirit Run

Riverside, CA

Saturday, April 11th, 2026

1 Mile

View details for race Alvord Educational Foundation Spirit Run

2026 Fear the Spear 5K

Alhambra, CA

Saturday, April 11th, 2026

View details for race 2026 Fear the Spear 5K

Bedrock Valley Trail Runs

Hemet, CA

Saturday, April 11th, 2026

Marathon

Half

15K

Trail

Fast

View details for race Bedrock Valley Trail Runs

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

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

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

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

Explore more in Ontario, CA

Distances:

5K 10K Half Marathon Marathon

Months:

March April May

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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