Island Lake Triathlon

JUN
6
2026
A multi format triathlon weekend at Island Lake State Recreation Area near Brighton featuring Olympic, sprint and mini sprint races plus aquabike, duathlon, relay and timed open water swims. Courses use Kent Lake and rolling park roads.
Sat 6 Jun 2026
Open Water Timed Practice... Open Water Timed Practice... Open Water Timed Practice... Super Sprint Triathlon Sprint Triathlon

Always double-check with the organizer's website! This page may contain affiliate links.

Island Lake Triathlon, Duathlon & Aquabike

The Island Lake event is held at Island Lake State Recreation Area in Brighton, Livingston County. The park covers about 4,000 acres and combines open brush, mature hardwood forest, and pockets of open meadows with paved roads and rolling hills. Swims take place in Kent Lake, bikes follow tree lined rolling roads, and the run finishes toward the lakeside.

The event offers multiple race formats with measured swim bike and run distances, including:

  • Olympic Triathlon: 1500 meter swim, 24 mile bike, 6.2 mile run
  • Sprint Triathlon: 750 meter swim, 12 mile bike, 3.1 mile run
  • Mini Sprint Triathlon: 400 meter swim, 12 mile bike, 1.5 mile run
  • Olympic Aquabike: 1500 meter swim and 24 mile bike

The program also includes a sprint duathlon, Olympic and sprint relay options, and timed open water practice swims at 1 mile, 800 meters, and 400 meters. Course maps, safety information, aid station and relay details are provided by the organizer. The setting emphasizes lake swimming and park roads through a mix of open and wooded terrain. Visit the organization's website for the most recent information.

Open Water Timed Practice Swim -1 Mile
Open Water Timed Practice Swim - 800m
Open Water Timed Practice Swim - 400m
Super Sprint Triathlon
Sprint Triathlon
Sprint Relay Triathlon
Sprint Duathlon
Olympic Triathlon
Olympic Relay Triathlon
Olympic Aquabike