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Western Pacific Marathon

Fremont, United States • 28 Mar 2026

Event Overview

The Western Pacific event offers three distances: a half marathon, a 10K, and a 5K. It is held in Fremont, California, and presented by Brazen Racing.

Course and Location

All races begin and end at Quarry Lakes. The half marathon and 10K routes follow the Alameda Creek Trail. The course uses part of the historic Western Pacific Trail, which was used in the 1800s to transport gravel for the Transcontinental Railroad. The trails are primarily dirt fire trails, with some gravel sections and a short paved segment. The course is described as mostly flat.

Participation

The event is open to runners and walkers. Visit the organization's website for the most recent information.

United States California Fremont

Race information

Website
Half Marathon
Half Marathon
10 km
10k
5 km
Visit the organization's website for the most recent information.
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