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O'Neill Park Trail Races

Rancho Santa Margarita, United States • 16 May 2026

The O'Neill Park Trail Races take place in Trabuco Canyon, California, offering a variety of distances including 50k, marathon, 30k, half marathon, and 10k. Set within the scenic O'Neill Park, the event features spectacular trails that showcase the natural beauty of South Orange County. Known for its challenging and picturesque course, the race attracts trail running enthusiasts seeking an epic outdoor experience. The event is well-organized with no refunds offered, though race cancellations due to weather or fire allow for rollovers to makeup dates or other races. The race is popular, often selling out well in advance. Visit the organization's website for the most recent information.

United States California Rancho Santa Margarita

Race information

Website Registration
50 km
50k
26 mi
Marathon
30 km
30k
13 mi
Half Marathon
10 km
10k
Visit the organization's website for the most recent information.
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