O'Neill Park Trail Races

Rancho Santa Margarita, United States • 16 May 2026

The O'Neill Park Trail Races, held in Trabuco Canyon, California, offer a scenic and challenging trail running experience in South Orange County's beautiful O'Neill Regional Park. The event features multiple race distances including 10K, half marathon, 30K, marathon, and 50K, catering to a wide range of trail runners. Participants can enjoy well-maintained trails showcasing the park's natural beauty. Parking is available for a $5 fee, and bib pickup is offered both at the race start and the day before at Fleet Feet Laguna Niguel. The races emphasize a supportive atmosphere with aid stations along the courses and opportunities for training through local coaching programs. Visit the organization's website for the most recent information.

Race information

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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