Pasadena Trail Half Marathon
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About the race
Pasadena Running Company presents the 2026 Pasadena Trail Half & 5K/10K on Sunday, October 18. The event is the final race in a three-event 2026 Trail Race Series and takes place at Hahamongna Watershed Park in the foothills of Pasadena within the Angeles National Forest. The course system includes interconnected trails, oak woodlands and mixed terrain.
Distances offered
- 5K 3.12 mi, +306 ft, mixed use truck trail, difficulty 2.5/10
- 10K 6.2 mi, +400 ft, mixed use fire roads, Gabrieleno Trail, difficulty 4.5/10
- Trail Half 13.12 mi, +1855 ft, single track rocky terrain, El Prieto Canyon Brown Mtn Rd., difficulty 7.9/10
Early packet pick up is the day before the race 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 available on-site with detailed directions provided to registrants. The course is professionally marked and supported, with arrows marked on the ground using flour and additional signage. Each distance will have at least one aid station supplying water and electrolyte; longer distances receive CLIF products. The event is electronically chip timed and offers race shirts, a tote bag, a commemorative wooden medal made in USA, a goodie bag, warm-up and cool-down yoga, free training plans, free event photos, and post-race fruit, breads and drinks. The event runs rain or shine; routes may be altered in cases of flooding. Transfers are allowed but refunds are not offered. Visit the organization's website for the most recent information.
