Lake Chabot Trail Marathon

Castro Valley, CA, USA · November 7, 2026
partly-cloudy-day55°·65° high·Light·Dry
8
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Race Day Weather

partly-cloudy-day
55°at start
67° high
Light
Dry
Your goal
0:00:00

Cool start, gradual warm-up

Runners will face a comfortable temperature range starting at 55°F and peaking at 67°F. With light winds from the NW at 5 mph and humidity around 50%, conditions are favorable for racing. Runners should consider a conservative pace early to adapt to rising temperatures, staying hydrated as they progress.

Race day forecast available in 7 days
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partly-cloudy-day6
clear-day7
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clear-night8
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Pace Calculator

26.2mi
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Race Info

The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners! Source

Race weekend

Saturday, November 7
8:30 AM50K (31.1 mi)
8:30 AMMarathon (26.2 mi)
8:30 AM30K (18.6 mi)
8:30 AMHalf Marathon (13.1 mi)
8:45 AM8K (5.0 mi)
9:00 AM5K (3.1 mi)
Area Map

Course Map

FAQ

When is the 2026 Lake Chabot Trail Marathon?

The 2026 Lake Chabot Trail Marathon will be held on Saturday November 7, 2026.

What is the time limit for the Lake Chabot Trail Marathon?

The time limit for the Lake Chabot Trail Marathon is 8.5 hours.

What will the weather be like for the 2026 Lake Chabot Trail Marathon?

The forecast calls for a high of 69°F and a low of 50°F with a 3% chance of rain.

Historical Weather

Based on 3 years of data
Avg Temp
59°F
L:53° H:65°
RunScore
7
Conditions
Rain Freq
0%
0 of 3 yrs
Wind4mph
Dew49°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
clear-day
56°/69°-
6
2024
clear-day
46°/59°-
10
2023
partly-cloudy-day
58°/67°-
6