Riley Park Trail Races
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Riley Park Trail Races: August 1, 2026
The event takes place at Thomas F. Riley Wilderness Park in Coto de Caza, California on August 1, 2026. Registration opens February 1, 2026. The course is a looped trail route used for all distances.
Distances offered:
- 5k
- 10k
- 10 Miler
- Half Marathon
- 30k
- Riley Park 6 Hour
The course is a 3.3 mile loop on single-track and double-track trails. Distance assignments use multiple loops of the same circuit: the 5k is one loop, the 10k two loops, the 10 miler three loops, the half marathon four loops, and the 30k six loops. The 30k has a 6.5 hour time limit. The 6 Hour event is measured by how many loops a participant completes within the time window.
Event information includes athlete guides for specific distances and bib pickup options. Bib pickup is scheduled for the days before the race at local retail locations in the area and also available on race day. Every finisher will receive a race shirt and a finisher medal. Visit the organization's website for the most recent information.
