Western Pacific Marathon
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Event details
The Western Pacific event on March 28, 2026, in Fremont, California, offers road/trail distance races organized by Brazen Racing at Quarry Lakes Regional Recreation Area (Isherwood Way). Distances offered:
- Half marathon
- 10K
- 5K
A remote runner category is also listed. Registration fees vary by distance and by registration period; listed amounts indicate approximate ranges of about $69–$80 for the 5K, $79–$90 for the 10K, $98–$109 for the half marathon, and about $50–$56 for the remote runner option.
Course and logistics
All races begin and end at Quarry Lakes. The 10K and half marathon routes run out along the Alameda Creek Trail. The course follows the Western Pacific Trail, which historically was used in the 1800s to transport gravel for the western section of the Transcontinental Railroad.
Trails are described as mostly flat with surfaces that are primarily dirt fire trails, with sections of gravel used for erosion control and a short paved section. The event materials note that hikers, walkers, and runners are welcome. Visit the organization's website for the most recent information.