Upcoming Races Near San Bernardino, CA in April, 2026

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

Santa Anita Derby Day 5K

Arcadia, CA

Saturday, April 4th, 2026

Featured

View details for race Santa Anita Derby Day 5K

Want to feature your race?

Get your race seen first by thousands of runners

Learn More

Learn how to feature your race

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

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

MoVal Runs Bunny Run 5K - 2026

Perris, CA

Saturday, April 4th, 2026

View details for race MoVal Runs Bunny Run 5K - 2026

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

2026 Fear the Spear 5K

Alhambra, CA

Saturday, April 11th, 2026

View details for race 2026 Fear the Spear 5K

Alvord Educational Foundation Spirit Run

Riverside, CA

Saturday, April 11th, 2026

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

View details for race Bedrock Valley Trail Runs

Santa Ana Fun Run

Santa Ana, CA

Saturday, April 11th, 2026

10K

View details for race Santa Ana Fun Run

Run4Kids

Corona, CA

Friday, April 17th, 2026

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

View details for race 5K for Fragile X

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

Riverside, CA

Saturday, April 18th, 2026

1 Mile

View details for race The Riverside County K9 Run & Walk With the Animals Experience

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

View details for race UCR Glow Run 2026

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

Fountain Valley, CA

Saturday, April 25th, 2026

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

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

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

Irvine, CA

Saturday, April 25th, 2026

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

1 Mile

View details for race Orange County Multi-Sport Festival

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

Riverside, CA

Sunday, April 26th, 2026

Half

10K

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

Explore more in San Bernardino, CA

Distances:

5K 10K Half Marathon Marathon

Months:

March April May

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

Don't see your race? Add it!

Add Your Race (Free)