Riley Park Trail Races

AUG
1
2026
Hit the trails at Riley Park Trail Races on August 1, 2026 in Coto de Caza, CA, with looped courses from 5K to 30K and a 6 hour timed option. Every finisher gets a race shirt and medal, plus athlete guides and convenient bib pickup.
Sat 1 Aug 2026
6 hour 30 kilometers Half Marathon 10 miles 10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Riley Park Trail Races : August 1, 2026

The event is scheduled for August 1, 2026, at Thomas F. Riley Wilderness Park in Coto de Caza, Orange County, California. Registration opens February 1, 2026. Every finisher will receive a race shirt and a finisher medal. Athlete guides are available and contain course and event information.

Course, distances and logistics

The course is a 3.3-mile loop. Distances and loop counts are:

  • 5k - 1 loop
  • 10k - 2 loops
  • 10 Miler - 3 loops
  • Half Marathon - 4 loops
  • 30k - 6 loops (6.5 hours to finish)
  • 6 Hour - timed event based on completed loops

Bib pickup is offered on Thursday, July 30; Friday, July 31; and on race day, August 1. Pickup locations listed include Road Runner Sports in Costa Mesa (1835 Newport Blvd) and Fleet Feet in Laguna Niguel (32341 Golden Lantern E). A single-loop course map and additional event information are provided in the race materials. Visit the organization's website for the most recent information.

6 hr
Riley Park 6 Hour
30 km
30k
Half Marathon
Half Marathon
10 mi
10 Miler
10 km
10k
5 km