The Great Loon Triathlon

AUG
15
2026
Great Loon Triathlon in Lincoln Maine offers races from sprint to Half Ironman on scenic Lake Mattanawcook. Event postponed to a TBD date. Registrations are preserved and a free Lifestyle Sports Global entry is offered for 2025 or 2026.
Sat 15 Aug 2026
Swim - Half Ironman Run - Sprint Triathlon Run - Olympic Triathlon Run - Half Ironman Bike - Half Ironman

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

Event overview

The Great Loon Triathlon is a multi-discipline race held in Lincoln, Maine, with the race venue at Prince Thomas Park on Lake Mattanawcook (2 Lake St, Lincoln, ME 04457). Event types listed include an Olympic Triathlon, Sprint Triathlon, Half Ironman Triathlon, Relay Half Ironman, Olympic Duathlon, and Sprint Duathlon.

Distances listed for the swim-bike-run events:

  • Olympic Triathlon: 1500 m swim, 40 km bike, 10 km run
  • Sprint Triathlon: 750 m swim, 20 km bike, 5 km run
  • Half Ironman Triathlon: 1.2 mile swim, 56 mile bike, 13.1 mile run

A duathlon option is available for the sprint and Olympic formats. Races begin and end at Prince Thomas Park on Lake Mattanawcook.

Status and entry information

The event has been posted as postponed with a new date listed as TBD. Registrations will be preserved for the rescheduled event. Organizers have offered a free entry to any Lifestyle Sports Global event in 2025 or 2026 as an alternative for registered participants. Visit the organization's website for the most recent information.

13 mi
Run - Half Ironman
10 km
Run - Olympic Triathlon
5 km
Run - Sprint Triathlon
Swim - Half Ironman
Bike - Half Ironman
Bike - Olympic Triathlon
Bike - Sprint Triathlon
Swim - Olympic Triathlon
Swim - Sprint Triathlon

Events nearby