Lake Chabot Trail Run

Castro Valley, United States • 24 Apr 2027

SPASM Lake Chabot Trail Run : Castro Valley, CA

The event takes place on April 24, 2027 at Lake Chabot Regional Park - Marina, 17600 Lake Chabot Road, Castro Valley, CA 94546, USA. The course starts at the marina and travels around the Lake Chabot reservoir and surrounding hills. Distances were measured using a Rolatape surveyor's measuring wheel.

The program includes multiple trail race distances and a short kids dash. Most trail events share the same registration window that opens April 22, 2026 and closes April 18, 2027; two short events have registration closing on April 24, 2027. Entry fees vary by distance and some short events are offered without a fee.

Distances offered:

  • 8K - 5 Miles, fee $60.00
  • Half Marathon - 13.1 Miles, fee $70.00
  • 30K - 17.9 Miles, fee $75.00
  • Marathon - 26.2 Miles, fee $80.00
  • 50K - 31 Miles, fee $90.00
  • Kid's Run - 50 Yards, children aged 6 years and younger, free
  • Coastal Testing - 2 Miles, free

The organizer notes the course passes around the reservoir and through nearby hills and provides measured distances for each race. Visit the organization's website for the most recent information.

Race information

31 mi
50k
26 mi
Marathon
18 mi
30k
13 mi
Half Marathon
5 mi
Coastal Testing
Visit the organization's website for the most recent information.
Trail runs nearby

Timed loop endurance races at Point Pinole on July 25, 2026 offering 12, 6 and 3 hour options for individuals or teams, with an all-day BBQ.

A trail race in the Marin Headlands with 8K, half, 30K and 50K options along coastal single-track and fire roads, marked courses, cupless aid stations, and a 350 runner capacity.

Monthly community hikes with an optional trail-run pace in Richmond, organized by FIERCE Advocates with Moving Forward and Richmond Run Club. Route details and gear recommendations are shared with registrants ahead of each meetup.

A historic 50k loop from and back to Lake Chabot Marina in Castro Valley with strong aid station support, a half marathon option, plant-based post-race food, and race swag including a shirt, socks, and medal.

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