Western Pacific Marathon

Fremont, United States • 27 Mar 2027

Western Pacific 2027

Western Pacific 2027 is a community road race held at Quarry Lakes Regional Recreation Area in Fremont, California on March 27, 2027. The course follows sections of the Western Pacific Trail and is described as mostly flat. The trail corridor was used in the 1800s to transport gravel for construction of the western section of the Transcontinental Railroad.

The event offers several distance options and a remote participation category. Registration uses tiered pricing with named periods such as Super Early Train, Early Bird, and Regular. The event page lists a Race Director as the contact and a website at brazenracing.com/westernpacific for more information. The event also supports fundraising through the East Bay Regional Parks Campership Program.

Distances

  • Half Marathon
  • 10K
  • 5K

Images on the event page show trail and park scenery at Quarry Lakes Regional Recreation Area. Registration fees vary by distance and by registration period; a Remote Runner option is listed separately. The description emphasizes the route through the Western Pacific Trail and the park setting in Fremont rather than elevation changes or timed start details. 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 community Independence Day event at Sycamore Grove Park featuring a flat 5K on mixed paved and dirt trails and a 400 meter kids run for ages 10 and under. T shirts are included with race fees.

Trail running at Calero County Park with multiple distances across single track and dirt paths, significant climbs, aid stations and free parking at the park.

Trail races of 50K and 21K in Castro Valley that start and finish at Lake Chabot Marina. Organized by Scena Performance, the event features community volunteer aid stations, finisher swag, GPX files, and UTMB indexing.

A trail event in Lafayette, CA on August 8, 2026 offering a half marathon, 10K, 5K and remote entry, with chip timing, finisher medals, event shirts, hiker-friendly options and a final shaded single track descent.

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