Autumn Lake Triathlon
Sun, Aug 2, 2026, 8:00 AM EDT
- Location
- Williamstown, NJ
- 870 W. Malaga Road, 08094
- Type
- RUN
Sign up and verify details on the organizer’s official page.
At a glance
Experience a refreshing triathlon with a lake swim, fast bike, and scenic trail run through a vineyard and around two lakes.
- Scenic
- Competitive
Scenic
CompetitiveThe Autumn Lake Triathlon invites you to a refreshing multi-sport challenge in Williamstown, NJ. Begin with a 0.4-mile swim in a clean, spring-fed lake, followed by a 13-mile flat and fast bike ride on roads featuring large bike lanes. Conclude with a 5K run on the picturesque Autumn Lake Winery property, where you'll navigate varied trails around two serene lakes and through the lush vineyard.
What to expect
- Enjoy a 0.4-mile swim in a clear, spring-fed lake.
- Bike a 13-mile flat and fast course with generous bike lanes.
- Conclude with a 5K trail run through a vineyard and around two serene lakes.
Standout details
- Swim in a clean, spring-fed lake
- Flat and fast 13-mile bike course
- 5K trail run through a vineyard
- Run around two scenic lakes
Auto-drafted from the public listing — confirm details on the official event page before signing up.
Distances & registration
6 optionsRegistration for all distances is through the official signup link above.
- 3.1 Miles
Sun, Aug 2, 8:00 AM EDT · From $22.20
Opens Nov 25, 2025, 7:00 PM EST · Closes Jan 4, 2026, 6:59 PM EST
Triathlon
Sun, Aug 2, 7:30 AM EDT · From $77.32
Opens Nov 25, 2025, 7:00 PM EST · Closes Jan 4, 2026, 6:59 PM EST
Relay Triathlon
Sun, Aug 2, 7:30 AM EDT · From $96.40
Opens Nov 25, 2025, 7:00 PM EST · Closes Jan 4, 2026, 6:59 PM EST
+ 3 more optionsHide
Aquabike
Sun, Aug 2, 7:30 AM EDT · From $62.48
Opens Nov 25, 2025, 7:00 PM EST · Closes Jan 4, 2026, 6:59 PM EST
Duathlon
Sun, Aug 2, 7:30 AM EDT · From $77.32
Opens Nov 25, 2025, 7:00 PM EST · Closes Jan 4, 2026, 6:59 PM EST
Aquathon
Sun, Aug 2, 7:30 AM EDT · From $62.48
Opens Nov 25, 2025, 7:00 PM EST · Closes Jan 4, 2026, 6:59 PM EST
Vibe Check
Easygoing
EasygoingMixed surface, mostly flat, warm-day exposure
- Warm season
Based on terrain, weather, and distance data.
The course
- Mixed
- Flat
- Timed race
From the organizer
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.
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