O'Neill Park Trail Races

Rancho Santa Margarita, United States • 16 May 2026

O'Neill Park Trail Races

The O'Neill Park Trail Races take place on trails within O'Neill Regional Park in Trabuco Canyon, California. The event uses sections of Trabuco and Live Oak Canyons inside the park's roughly 4,500 acres. Participants run through stands of coast live oak and sycamore trees and alongside hillsides featuring cactus, wild buckwheat, sagebrush, scrub oak, buckthorn and mountain mahogany.

The event is scheduled for Saturday, May 16, 2026, at the park address 30892 Trabuco Canyon Rd, Trabuco Canyon, CA 92679. Parking at the park requires a $5 fee. An optional bib and parking pass pickup is available at Fleet Feet Laguna Niguel on Friday, May 16th from 3:30 pm to 6:30 pm, or at the race start on race morning. The Fleet Feet pickup includes the parking pass for the $5 fee when obtained there.

The description above summarizes the race setting, natural features along the course and basic logistics that are provided for participants. No specific course distances or start and finish times are listed here. Visit the organization's website for the most recent information.

Race information

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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