Nantucket Triathlon
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Nantucket Triathlon course
The course is a sprint triathlon on Nantucket Island with separate swim, bike, and run legs. Athletes are grouped by age and enter the swim via a chute that forms two lines leading to the water.
Distances:
- 450 yards swim
- 13.5 miles bike
- 3.4 miles run
The swim uses a time trial start: athletes enter two at a time, every five seconds, with a start clock counting down from five for each pair. Race time begins when an athlete crosses the timing mat at the water’s edge. Starts are self-seeded; wetsuits are optional and water temperatures are expected in the low 70s degrees. After the swim, athletes run up the beach to the upper parking lot near the tennis courts and into the transition area.
The bike is a 13.5 mile out and back course to Madaket and back to Jetties. Athletes mount in a designated mount zone near the upper parking lot. Single file cycling is required at all times; passing should be quick and racers must move back to the very right side of the road after passing.
The run starts from the upper parking lot at Jetties. The 3.4 mile run course includes three overlap areas with bike traffic at Nantucket Ave / Cliff Rd / North Liberty, Easton St & North Beach St, and the end of Hulbert Ave. Those locations will be staffed with police, volunteers, and signage. Visit the organization's website for the most recent information.
