Western Pacific Marathon

Name: Western Pacific Marathon
Start: 2026-03-28
End: 2026-03-28
Location: Fremont

MAR

2026

Enjoy a scenic trail run along the historic Western Pacific route at Quarry Lakes in Fremont on March 28, 2026, with half marathon, 10K, 5K or remote entries. Brazen Racing welcomes runners, walkers and hikers on a mostly flat dirt and gravel course.

Sat 28 Mar 2026

Fremont, California

Website Registration

Half Marathon 10 kilometers 5 kilometers

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Event details

The Western Pacific race is scheduled for March 28, 2026, at Quarry Lakes Regional Recreation Area in Fremont, California. The event is presented by Brazen Racing and offers in-person and remote runner entry options. Registration prices are listed in tiered periods (super early, early bird, regular) and are shown as inclusive of mandatory charges.

Course and race options

All in-person races begin and end at Quarry Lakes. The route uses part of the historic Western Pacific Trail and sections of the Alameda Creek Trail. The course is described as mostly flat and runs mainly on dirt fire trails, with some gravel sections used for erosion control and a short paved section. Hikers, walkers, and runners are welcome. Visit the organization's website for the most recent information.