O'Neill Park Trail Races

MAY
16
2026
Test your trail legs at the O'Neill Park Trail Races on May 16, 2026 in scenic O'Neill Regional Park. Choose from 50k to 10k distances and enjoy challenging singletrack, great views and a supportive event atmosphere.
50 kilometers Marathon 30 kilometers Half Marathon 10 kilometers

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

Event overview

The O'Neill Park Trail Races take place on Saturday, May 16, 2026, at O'Neill Regional Park, 30892 Trabuco Canyon Road, Trabuco Canyon, CA. Registration opens October 1, 2025 and is open until May 1, 2026. A parking pass is required at the park and costs $5. The event policy states there are no refunds; if the event is cancelled for weather or fire, entries may be rolled over to the race make-up date or to another KH Races event.

Race details

Distances offered:

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

Optional bib pickup is available at Fleet Feet Laguna Niguel on May 16 from 3:30 pm to 6:30 pm, or at the race start on race morning. An athlete guide is available for participants. Past race results and photos exist for 2023 and 2024. Coaching programs are mentioned from local coaches and Fleet Feet Laguna Niguel. Sponsors listed for the event include brands that support the race. Visit the organization's website for the most recent information.

50 km
50k
Marathon
Marathon
30 km
30k
Half Marathon
Half-Marathon
10 km
10k

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