Pasadena Trail Half Marathon
Pasadena, United States • 19 Oct 2025
Event overview
Pasadena Running Company presents the Pasadena Trail Half & 5K/10K on Sunday, October 19, 2025. The event uses trails around Hahamongna Watershed Park in the Pasadena foothills and is the final race in a four-event 2025 Trail Race Series. Three distance options are offered and the courses cover varied trail types and elevation.
Courses and logistics
- 5K - 3.12 mi, +306 ft, mixed-use truck trail, rated 2.5/10
- 10K - 6.2 mi, +400 ft, mixed-use fire roads, features Gabrieleno Trail, 4.5/10
- Half Marathon - 13.12 mi, +1855 ft, single track rocky terrain, climbs El Prieto Canyon
Early packet pick up is available at Run With Us Pasadena, 235 N Lake Ave, Pasadena, CA; participants must bring ID and a signed waiver. Race day parking is free and on-site. The event is chip timed. Each course will have at least one aid station supplying water and electrolyte; longer distances will also offer CLIF products. Participants running over 5 miles are required to carry personal hydration. Courses will be marked with ground arrows made of flour and with additional signage. Registration includes a race shirt, tote bag, a commemorative wooden medal, a goodie bag, warm-up yoga, free training plans, event photos, and post-race fruit, breads, and drinks. The event proceeds rain or shine; no refunds are offered, but bib transfers are allowed except within 10 days of the event. Visit the organization's website for the most recent information.