Name: Wildflower 5k, 10k, 15k, Half Marathon
Start: 2026-04-26
End: 2026-04-26
Location: Riverside

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

Irvine, CA

Saturday, April 4th, 2026

Featured

5K

Trail

Fast

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

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Santa Anita Derby Day 5K

Arcadia, CA

Saturday, April 4th, 2026

5K

View details for race Santa Anita Derby Day 5K

Rock It in El Moro Canyon 6K & 10 Miler

Laguna Beach, CA

Saturday, April 4th, 2026

10 Miles

Trail

View details for race Rock It in El Moro Canyon 6K & 10 Miler

2026 Cal Tri Lake Perris - 4.5.26

Perris, CA

Sunday, April 5th, 2026

View details for race 2026 Cal Tri Lake Perris - 4.5.26

Santa Ana Fun Run

Santa Ana, CA

Saturday, April 11th, 2026

10K

5K

View details for race Santa Ana Fun Run

Alvord Educational Foundation Spirit Run

Riverside, CA

Saturday, April 11th, 2026

5K

1 Mile

View details for race Alvord Educational Foundation Spirit Run

Bedrock Valley Trail Runs

Hemet, CA

Saturday, April 11th, 2026

Marathon

Half

15K

Trail

Fast

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2026 Fear the Spear 5K

Alhambra, CA

Saturday, April 11th, 2026

5K

View details for race 2026 Fear the Spear 5K

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

Huntington Beach, CA

Sunday, April 12th, 2026

5K

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

5K

View details for race Run4Kids

Run4Kids Ultra Running Party

Corona, CA

Friday, April 17th, 2026

Marathon

Ultra

View details for race Run4Kids Ultra Running Party

5K for Fragile X

San Dimas, CA

Saturday, April 18th, 2026

5K

View details for race 5K for Fragile X

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

Riverside, CA

Saturday, April 18th, 2026

5K

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

5K

10K

Half

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

Healthy Kids Running Series Spring 2026 - South...

Laguna Niguel, CA

Sunday, April 19th, 2026

View details for race Healthy Kids Running Series Spring 2026 - South Orange County, CA

UCR Glow Run 2026

Riverside, CA

Thursday, April 23rd, 2026

5K

View details for race UCR Glow Run 2026

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

Fountain Valley, CA

Saturday, April 25th, 2026

5K

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

OneLegacy Donate Life Run/Walk 2026

Azusa, CA

Saturday, April 25th, 2026

5K

View details for race OneLegacy Donate Life Run/Walk 2026

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

5K

10K

Fast

View details for race Running Is For The Birds

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

Irvine, CA

Saturday, April 25th, 2026

5K

Trail

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

Orange County Multi-Sport Festival

Mission Viejo, CA

Sunday, April 26th, 2026

Ultra

5K

1 Mile

View details for race Orange County Multi-Sport Festival

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

Riverside, CA

Sunday, April 26th, 2026

5K

Half

10K

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

Upcoming Races Near Colton, CA in April, 2026