Riley Park Trail Races
Coto de Caza, United States • 1 Aug 2026
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.