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

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Experience the scenery of Tilden Regional Park at the Grizzly Peak Trail Run. Choose from various distances including a 50K and marathon starting from the shores of Lake Anza in Berkeley.

Trail ultramarathons in Almaden Quicksilver County Park on May 9 2026, offering a 100K and a 50K with substantial elevation gain, course maps and GPX files, USATF sanctioning, aid stations, volunteer support, swag and a post race party.

Celebrate the 24th year of this community event in Los Altos Hills. Run or walk through the Westwind Community Barn and Byrne Preserve on hilly 5K, 10K, or 1 mile courses.

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