2 events in Riverside County, California

From big races to Saturday morning group runs—find half marathon events and connect with the local endurance sports community.

• ANNUAL NATRO@NOLI INDIAN SCHOOL Trail Races [noliindianschool.net] [Register at ultrasignup.com]
  • Subscribe to My Calendar (sign in required)

  • ---

  • Download single event

  Sat, Apr 18, 2026

  5k Half Marathon Kids Trail Ultra

  45750 Castille Canyon Rd, Riverside County, California, 92538, United States
  OpenStreetMap Google Maps
• Cahuilla Rez Ultra [redroadracing.org] [Register at ultrasignup.com]
  • Subscribe to My Calendar (sign in required)

  • ---

  • Download single event

  Sat, Oct 17, 2026

  5k Half Marathon Ultra

  2000 Cahuilla Rd, Riverside County, California, United States
  OpenStreetMap Google Maps

Local Clubs & Organizations