Pasadena Trail Half Marathon

Pasadena, United States • 18 Oct 2026

Pasadena Trail Half & 5K/10K

The Pasadena Trail Half & 5K/10K is a trail running event held on Sunday, October 18, 2026. The event takes place at Hahamongna Watershed Park in Pasadena, California, at 4550 Oak Grove Drive, Pasadena, CA 91103, United States. The courses use the park's trail network and surrounding natural terrain.

Distances and course

  • Half marathon (trail)
  • 10K (trail)
  • 5K (trail)

Each distance follows marked trails within Hahamongna Watershed Park. The organizer identifies the half marathon as the main trail route for the event. Additional event details and course information are provided by the organizer. Visit the organization's website for the most recent information.

Race information

Half Marathon
Pasadena Trail Half
10 km
Pasadena Trail 10k
5 km
Pasadena Trail 5k
Visit the organization's website for the most recent information.
Trail runs nearby

Experience the breathtaking hills and canyons of Southern California with distances ranging from 10k to a 50k ultra. Run through lush spring landscapes and conquer challenging ridgelines with panoramic valley views.

Experience the 16th annual spring edition of this trail event in Los Angeles. Runners can choose from multiple distances including a new 50 mile ultra and family friendly 10k routes through Griffith Park.

Join this spring event at Griffith Park featuring distances from a 5k to a half marathon on a scenic dirt trail course. Enjoy a relaxed atmosphere with finisher medals and free race photos for all participants.

Choose your challenge on the rugged trails of Woodland Hills. The Las Virgenes Canyon Ultra Trail Races offer six distances, from a 6K to a new 100K ultra. Enjoy fully supported aid stations and a festive post-race atmosphere.