Jack Bristol Lake Waramaug Ultra Races

APR
25
2027
Multi-distance ultraruns on paved loops around scenic Lake Waramaug in Kent CT, celebrating the event's 53rd year. Aid stations, post race food, and finish awards include medals and a custom buckle for 100K finishers.
Sun 25 Apr 2027
100 kilometers 50 miles 50 kilometers

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Jack Bristol Lake Waramaug Ultra Races : Kent, CT

The Jack Bristol Lake Waramaug Ultra Races take place around Lake Waramaug in Kent, Connecticut. The course uses rolling loops on paved roads around the lake and is described as primarily flat and scenic. The event marks its 53rd anniversary.

Distances offered:

  • 100K seven laps plus 2.3 mile out and back to the State Park
  • 50 Miler six laps around the lake finishing at the State Park
  • 50K three 7.6 mile laps plus 1.9 mile out and back to finish

There are four well stocked aid stations situated around the lake. Distances between the main start/finish and the stations are approximately 1.8 miles, 1.9 miles, 1.7 miles and 2.2 miles. Post race food and drinks are provided for all runners.

Finish recognition and apparel include a hi-tech T-shirt, medals for 50K and 50 M finishers, and a custom belt buckle for 100K finishers. Mount to Coast provides a special medal to all finishers. T shirt sizes are not guaranteed after March 15.

Time limits are 12 hours for the 50K and 13 hours for the 50 Miler and 100K; race officials may allow continuation in exceptional circumstances with safety as the primary consideration. Bib pickup opens one hour before each race. The primary start and finish location is at the state park near the intersection of Lake Waramaug Road and Anderson Acres Extension; coordinates are N 41 42.47, W 073 23.059. Visit the organization's website for the most recent information.

100 km
100k
50 mi
50 Miler
50 km
50k
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