O'Neill Park Trail Races

MAY

15

2027

O'Neill Park Trail Races in Trabuco Canyon, California, feature multiple trail distances on May 15, 2027. Registration opens December 1, 2026 and the event has a no-refund policy with rollover options if canceled for weather or fire.

Sat 15 May 2027

Rancho Santa Margarita, California

Website

50 kilometers Marathon 30 kilometers Half Marathon 10 kilometers

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

O'Neill Park Trail Races - May 15, 2027

O'Neill Park Trail Races take place in Trabuco Canyon, California, at O'Neill Park, 30892 Trabuco Canyon Road. The event is a set of trail races held on local park trails in South Orange County.

The event offers multiple race distances on the same day:

50k
Marathon
30k
Half Marathon
10k

Registration opens on Tue. Dec 1, 2026 at 6:00 AM PT. The event does not offer refunds under any circumstances. If the event is canceled because of weather or a fire, entries may be rolled over in full to the race make-up date or to another KHraces event.

The description identifies the event date, location, available distances, registration opening, and the stated refund and cancellation policy. No start or finish times are provided in this information. Visit the organization's website for the most recent information.

50 km

50k

Marathon

30 km

30k

Half Marathon

10 km

10k