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SPASM Lake Chabot Trail Run

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

location_city Castro Valley

location_on California

flag United States

calendar_today 11 Apr, 2026

directions_run Running

language Official Website

About the Event

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.)

Races Offered

Coastal Testing

Apr 11, 2026

straighten

Distance — 2 Miles

terrain

Type — Road running

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08:20

Kid's Run (6yo & younger, 50yd dash) - Free!

Apr 11, 2026

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Distance — 50 Yards

terrain

Type — Road running

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08:20

30K

Apr 11, 2026

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Distance — 17.9 Miles

terrain

Type — Road running

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08:30

50K

Apr 11, 2026

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Distance — 31 Miles

terrain

Type — Road running

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08:30

Half Marathon

Apr 11, 2026

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Distance — 13.1 Miles

terrain

Type — Road running

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08:30

Marathon

Apr 11, 2026

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Distance — 26.2 Miles

terrain

Type — Road running

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08:30

8K

Apr 11, 2026

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Distance — 5 Miles

terrain

Type — Road running

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08:45

5K

Apr 11, 2026

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Distance — 3.1 Miles

terrain

Type — Road running

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09:00

Weather Overview

These values represent the 3-year monthly averages for April in Castro Valley.

Temp (°C)

Feels Like (°C)

thermostat 8.3° / 16.5°

wb_sunny 5.6° / 13.4°

Wind (km/h)

Humidity (%)

air 11.7 /

water_drop 78.0%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 8.3° / 16.5°

wb_sunny 5.6° / 13.4°

air 11.7 km/h

water_drop 78.0%

About Castro Valley

Castro Valley is an unincorporated town in the inner East Bay in the Bay Area of California. It has a population of about 60,000 and is located north of Hayward and east of San Leandro and south of the Oakland hills. Since it is unincorporated, Castro Valley is governed by the County of Alameda, which has its county seat in Oakland.