SPASM Lake Chabot Trail Run
Race Date
Apr 11, 2026
Location
Castro Valley, CA
The Experience
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.)
Logistics
Race Day
Saturday, April 11, 2026
Start Time
8:30 AM
Giveaway
T-Shirt
Start Location
Lake Chabot Regional Park - Marina, Castro Valley, CA, 94546
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Also Offers
Historical Performance
Median Finish
2:21:32
10:48/mi
Winning Time
1:40:38
7:41/mi
Finishers (2025)
55
States Represented
4 / 50
Gender Split
Finish Time Distribution
FASTER 25%
2:09:35
MEDIAN
2:21:32
SLOWER 25%
2:55:18
Race Day Weather
5-year historical avgStart (Low)
47°
Afternoon (High)
62°
Pleasant conditions — light layers at start, comfortable by finish
0.0"
Precipitation
12 mph
Wind
77%
Humidity
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