The 2025 event has concluded.

Lake Chabot Trail Marathon

Castro Valley, CA, USA • November 8, 2025
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clear-day Clear conditions throughout the day.

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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

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When is the 2025 Lake Chabot Trail Marathon?

The 2025 Lake Chabot Trail Marathon will be held on Saturday November 8, 2025.

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

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

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Every Monday we break down the top results in the marathon from over the weekend.

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Historical Weather & Results

RunScore
Run Score: 8
Temp
58°F
Min/Max
57°/66°F
Dew
48°F
Days of Rain
0/2
Wind
11mph
Tap a row for details.
YearLow / HighRainResults

Lake Chabot Trail Marathon 2024 Weather History

Clear conditions throughout the day.

2024
clear-day
52°/ 61°-
Run Score: 9

Lake Chabot Trail Marathon 2023 Weather History

Partly cloudy throughout the day.

2023
partly-cloudy-day
61°/ 72°-
Run Score: 8
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR