Upcoming 5K Races Near Ontario, CA

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Miles for Hope

Roseville, CA

Saturday, October 17th, 2026

Featured

10K

View details for race Miles for Hope

Pre-Registration Providence Saint John's Health...

Los Angeles, CA

Sunday, May 23rd, 2027

10K

View details for race Pre-Registration Providence Saint John's Health Center Brentwood Run

43rd Annual Providence Saint John's Health Cent...

Los Angeles, CA

Sunday, May 23rd, 2027

10K

Fast

View details for race 43rd Annual Providence Saint John's Health Center Brentwood Run

Memorial Day 5K, 10K & Kids 1 Mile Run/Walk

Hemet, CA

Monday, May 31st, 2027

10K

1 Mile

Fast

View details for race Memorial Day 5K, 10K & Kids 1 Mile Run/Walk

Pre Reg 2027 Wrigley River Run & Tadpole Trot P...

Long Beach, CA

Saturday, June 5th, 2027

10 Miles

Half

10K

View details for race Pre Reg 2027 Wrigley River Run & Tadpole Trot Presented by Long Beach Clinical Trials

SuperHero - Runbelievable - 5K. 10K. Half Marat...

Long Beach, CA

Sunday, June 6th, 2027

10K

Half

View details for race SuperHero - Runbelievable - 5K. 10K. Half Marathon by Califlow Runs

Gemini Timing Demo

Menifee, CA

Tuesday, January 1st, 2030

View details for race Gemini Timing Demo

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