Autumn Lake Triathlon
About this race
The Autumn Lake Triathlon begins with a 0.4 mile swim in a clean, spring-fed lake in the heart of Williamstown, NJ. The 13 mile bike ride is flat and fast and includes roads with large bike lanes. The 5K run will take place on the property of Autumn Lake Winery and will take you through trails (hard packed dirt, some grass, sand, and loose dirt) around two lakes and through the vineyard.
Pick your distance
Running
5K Run
5k trail run
Typical race-day weather
Based on 10 years of historical conditions on this event's race dates in Williamstown.
About Williamstown
Autumn Lake Triathlon takes place in Williamstown, New Jersey, United States. The local timezone is America/New_York.
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🏃 Plan Your Next Race in Williamstown
Find upcoming events by distance:
- Williamstown 5K Races Best Williamstown routes for beginners and speed work.
- Williamstown Running Calendar 2026 See all upcoming race dates.
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
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