Lake Chabot Trail Run
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SPASM Lake Chabot Trail Run
The event is a series of trail races held at Lake Chabot Regional Park - Marina in Castro Valley, CA. The course starts at the Marina and travels around the Lake Chabot reservoir and surrounding hills. The organizer describes the route as suitable for first-time trail runners.
Multiple distances are offered, measured with a Rolatape surveyor's measuring wheel for accuracy:
- 8K : 5 Miles
- Half Marathon : 13.1 Miles
- 30K : 17.9 Miles
- Marathon : 26.2 Miles
- 50K : 31 Miles
- Kid's Run : 50 Yards (6 years old and younger)
- Coastal Testing : 2 Miles
Registration details vary by event. Standard trail distances list registration opening on 4/22/2026 and closing on 4/11/2027, with entry fees ranging from $60 to $90. The Kid's Run and Coastal Testing events have separate registration windows beginning 4/22/2026 and closing on the day of the event; the Kid's Run has no entry fee. The course uses the Marina and reservoir perimeter and includes surrounding hill terrain. Visit the organization's website for the most recent information.
