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.