SPASM Lake Chabot Trail Run
About this race
The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners!
(Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)
Pick your distance
Trail running
8K
Half Marathon
30K
Marathon
50K
Running
Coastal Testing
Typical race-day weather
Based on 5 years of Open-Meteo archive data for this event's race dates in Castro Valley, plus the 3 days either side.
The sun rises at 6:20 AM and sets at 7:52 PM local time (PDT) in Castro Valley on April 24, 2027 — 13h 31m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Results — SPASM Lake Chabot Trail Run
Other races near Castro Valley
Different organizers, within 40 miles, in the next three months
Lake Chabot Trail Run
Brazen New Year's Day
Brazen New Year's Eve
Reindeer Run 5k Fun Run
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 7 Castro Valley events
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