The Great Loon Triathlon

AUG
15
2026
A multi-format triathlon in Lincoln, Maine, with Olympic, Sprint and Half Ironman distances plus relay and duathlon options; the event is postponed with a new date to be announced and registrations preserved.
Sat 15 Aug 2026
Half Ironman – Swim Relay Half Ironman – Swim Sprint Triathlon – Run Olympic Triathlon – Run Half Ironman – Run

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The Great Loon Triathlon

The Great Loon Triathlon is a multi-event triathlon held in Lincoln, Maine, organized by Lifestyle Sports Global LLC. The event is hosted at Prince Thomas Park on Lake Mattanawcook and the listed venue address is 2 Lake St, Lincoln, ME 04457.

The event program includes multiple race formats with the following distances:

  • Olympic Triathlon: 1500 m swim, 40 km bike, 10 km run
  • Sprint Triathlon: 750 m swim, 20 km bike, 5 km run
  • Half Ironman: 1.2 mile swim, 56 mile bike, 13.1 mile run
  • Relay Half Ironman: same distances as the Half Ironman, contested by teams

There are also duathlon options corresponding to the Olympic and Sprint distances.

The event was announced as postponed with a new date listed as TBD. Registrations for the postponed edition are being preserved, and the organizer is offering a free entry option to other Lifestyle Sports Global events in 2025 or 2026 for registered participants. Races begin and end at Prince Thomas Park on Lake Mattanawcook. Visit the organization's website for the most recent information.

Half Marathon
Half Ironman – Run
Half Marathon
Relay Half Ironman – Run
10 km
Olympic Triathlon – Run
5 km
Sprint Triathlon – Run
Half Ironman – Swim
Relay Half Ironman – Swim
Sprint Duathlon – Run 1
Sprint Duathlon – Run 2
Sprint Triathlon – Bike
Sprint Triathlon – Swim
Olympic Duathlon – Run 1
Half Ironman – Bike
Olympic Duathlon – Run 2
Olympic Triathlon – Swim
Olympic Triathlon – Bike
Relay Half Ironman – Bike