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O'Neill Park Trail Races

Rancho Santa Margarita, United States • 16 May 2026

O'Neill Park Trail Races - May 16, 2026

O'Neill Park Trail Races takes place on Saturday, May 16, 2026, at O'Neill Regional Park in Trabuco Canyon, California. The event uses trails within the park's 4,500 acres across Trabuco and Live Oak Canyons.

Runners follow routes that pass through coast live oak and sycamore stands and across hillsides populated by cactus, wild buckwheat, sagebrush, scrub oak, buckthorn and mountain mahogany. Course terrain and specific aid or cutoff details are provided by the organizer.

Practical details include a parking fee of $5. Optional bib pickup is available at Fleet Feet Laguna Niguel on Friday, May 16 from 3:30 pm to 6:30 pm, or at the race location on the morning of the event; the Fleet Feet pickup may include the parking pass. An athlete guide, past results and event photos are maintained by the organizer.

The event offers multiple distances:

  • 50k
  • Marathon
  • 30k
  • Half Marathon
  • 10k

The organizer states that the race does not offer refunds. If the race is canceled due to weather or fire, a full rollover to the makeup date or another KHraces event is allowed. Visit the organization's website for the most recent information.

United States California Rancho Santa Margarita

Race information

Website
50 km
50k
Marathon
Marathon
30 km
30k
Half Marathon
Half-Marathon
10 km
10k
Visit the organization's website for the most recent information.
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