5k run Events and Things to do in Ontario, CA
Countless 5k run events and things to do in Ontario, CA offer active ways to explore the city's historic corridors and scenic outdoor spaces. Local running paths often wind through Downtown Ontario and along the iconic Euclid Avenue, providing a flat and accessible route for participants of all paces. Community gatherings and organized fitness meetups regularly utilize these public spaces to foster a connected, health-focused local culture.
- Downtown Ontario sets a community-focused rhythm, where morning fitness groups frequently gather near Ontario Town Square for structured group runs.
- Euclid Avenue acts as a central thoroughfare for local street-level athletic gatherings and seasonal fitness events.
- The Arena District offers paved surroundings and modern infrastructure for structured pacing sessions and fitness meetups.
Heroes for Hope 5K 2026
Sunday at 9:00 AM
Claremont · Roberts Pavilion, North Mills Avenue, Claremont, CA, USA
Heroes for Hope 5K 2026
Sunday at 9:00 AM
Claremont · Roberts Pavilion, North Mills Avenue, Claremont, CA, USA
SBSD ACADEMY 245 VETERANS RUN 5K
Sat, Nov 14, 8:00 AM
San Bernardino · Frank Bland Regional Training Center
SBSD ACADEMY 245 VETERANS RUN 5K
Sat, Nov 14, 8:00 AM
San Bernardino · Frank Bland Regional Training Center
Second Annual Pfeiffer Pfeif-K Fun Run| 2027 CA Brewery Running Series
Sat, May 15, 10:00 AM
Anaheim · Pfeiffer Brewing Company
Second Annual Pfeiffer Pfeif-K Fun Run| 2027 CA Brewery Running Series
Sat, May 15, 10:00 AM
Anaheim · Pfeiffer Brewing Company
Colorful Dash Fun Run – Hosted by Girl Scouts of San Gorgonio & RIVCO Parks
Sat, Jan 16, 9:00 AM
Riverside · Rancho Jurupa Regional Sports Park
Colorful Dash Fun Run – Hosted by Girl Scouts of San Gorgonio & RIVCO Parks
Sat, Jan 16, 9:00 AM
Riverside · Rancho Jurupa Regional Sports Park
ACTV Studio IRL: Vuori Irvine x V1 Leader Joe Stacy
Saturday at 8:00 AM
Irvine · Vuori Irvine Spectrum
ACTV Studio IRL: Vuori Irvine x V1 Leader Joe Stacy
Saturday at 8:00 AM
Irvine · Vuori Irvine Spectrum
Mommy & Me Coffee Run - Inland Empire
Today at 9:30 AM + 1 more
Rancho Cucamonga · Red Hill Community Park
Mommy & Me Coffee Run - Inland Empire
Today at 9:30 AM + 1 more
Rancho Cucamonga · Red Hill Community Park
Frequently asked questions about Ontario