Western Pacific Marathon

Fremont, United States • 27 Mar 2027

Western Pacific 2027

Western Pacific 2027 takes place on March 27, 2027 at Quarry Lakes Regional Recreation Area, 2100 Isherwood Way, Fremont, CA 94536, United States. The event offers multiple race options and a remote participation option.

The course is described as mostly flat and includes part of the Western Pacific Trail. The trail corridor was used in the 1800s to transport gravel for construction of the western section of the Transcontinental Railroad.

Distances and participation options:

  • Half Marathon
  • 10K
  • 5K
  • Remote Runner option

Registration is organised into tiered pricing periods that change over time, including entries listed as Super Early Train, Early, and Regular. The event lists fundraising activity linked to the East Bay Regional Parks Campership Program. Photographs and additional event materials are provided with the listing. The event page also shows practical details such as the venue name and postal address and provides a link to the organiser's event site for further information. Visit the organization's website for the most recent information.

Race information

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

A trail race at Lake Del Valle Regional Park in Livermore, California, offering a half marathon, 10K, and 5K in April 2026. The half is part of the Brazen Ultra Half Series and walkers and hikers are welcome.

Experience the coastal beauty of the Bay Area Ridge Trail with distances ranging from a 50 yard dash to a 50K ultramarathon. Runners enjoy expansive views of the Pacific Ocean and the Santa Cruz Mountains.

Experience a technical trail race through the scenic parks of San Carlos. Choose from four distances including a 15K long course and a dedicated kids run to support local trail maintenance.

Trail races in Huddart County Park and Purisima Creek Redwoods on April 18, 2026 offering 10K, half, 35K and 50K across technical single-track and fire roads, with chip timing, cupless aid stations, and significant elevation gain.

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