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Lake Chabot Trail Run

Name: Lake Chabot Trail Run
Start: 2026-04-11
End: 2026-04-11
Location: Castro Valley

Castro Valley, United States • 11 Apr 2026

SPASM Lake Chabot Trail Run

The event takes place at Lake Chabot Regional Park - Marina in Castro Valley, California. The course starts at the Marina and travels around the Lake Chabot reservoir and the surrounding hills. Distances on the course were measured with a Rolatape surveyor's measuring wheel.

The event offers multiple trail and running distances, including:

5 Miles (8K)
13.1 Miles (Half Marathon)
17.9 Miles (30K)
26.2 Miles (Marathon)
31 Miles (50K)
50 Yards (Kid's Run for children 6 years and younger)
2 Miles (Coastal Testing)
3.1 Miles (5K)

Registration for the events opens on July 19, 2025. Most race registrations close on April 5, 2026, while some events remain open until April 11, 2026. Entry fees vary by distance and range from $0.00 to $90.00. Visit the organization's website for the most recent information.

United States California Castro Valley

Race information

Website Registration

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

Saturday Jun 13

Bay Area 100

Oakland

100 mi

A point-to-point 100-mile ultramarathon from UC Berkeley to Skyline High School in Oakland, featuring about 18,000 ft of elevation across ridgelines, redwood forest and lake trails; the 2026 race is sold out with a waitlist.

Saturday Jun 13

SF Half Day

San Francisco

Backyard Ultra

Experience a fixed-time event at Crissy Field with stunning views of the Golden Gate Bridge. Run or walk as many laps as you choose in three six or twelve hour blocks as an individual or part of a team.

Fri - Mon Jun 26-29

The Rock The Loch Half Marathon

Live and virtual options at Lake Chabot feature 5K, 10K, and a half marathon with multiple aid stations, on-course nutrition, race apparel and a woodallion, post-race beverages, and a brewfest atmosphere.

Sunday Jun 28

Woodmonster Trail Race

Oakland

10 mi

A 10-mile trail race in Redwood Regional Park with single-track terrain, a timed 0.8 mile hill climb, age-based handicap starts, limited to 250 runners, and a team competition.