Riley Park Trail Races

Coto de Caza, United States • 1 Aug 2026

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.

Race information

6 hr
Riley Park 6 Hour
30 km
30k
Half Marathon
Half Marathon
10 mi
10 Miler
10 km
10k
5 km
Visit the organization's website for the most recent information.
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