Pasadena Trail Half Marathon
Pasadena, United States • 18 Oct 2026
Pasadena Trail Half & 5K/10K
The Pasadena Trail Half & 5K/10K takes place on Sunday, October 18, 2026, at Hahamongna Watershed Park in Pasadena, California. The event is organized as a set of trail races using routes within the park.
The event offers multiple distance options:
- Half marathon
- 10K
- 5K
Organizers describe the half marathon courses as the event's flagship routes and note that they use some of the more demanding trails in the park. The language provided indicates the courses are intended for runners with trail experience and that they include challenging trail terrain.
Registration details and other event information are managed by the organizer. Organizers also note that spots for the Pasadena Trail Half often sell out quickly, so availability for the half marathon may be limited compared with the shorter-distance entries.
The description above reflects the event date, location, available distances, and the organizer's characterization of the courses as tougher trail routes within Hahamongna Watershed Park. Visit the organization's website for the most recent information.