Lake Terramuggus Sprint Triathlon

JUL
16
2026
Join the 25th annual Lake Terramuggus Sprint Triathlon on July 16, 2026 at Blish Park in Marlborough CT. Choose sprint, super sprint, relay or aqua bike and enjoy a scenic lake swim, rolling bike loops and a lakeside 5K.
Thu 16 Jul 2026
Super Sprint Tri Sprint Tri Sprint Relay Tri Aqua Bike

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Lake Terramuggus Sprint Triathlon #3

The Lake Terramuggus Sprint Triathlon #3 takes place on July 16, 2026, at Blish Park in Marlborough, CT 06447. The event is part of the Lake T Sprint Series and is noted as being in its 25th year. Multiple race formats are offered: Sprint Tri, Super Sprint Tri, Sprint Relay Tri, and Aqua Bike.

Course and entry details

  • Sprint Tri: 600 yards swim, two-loop bike course, 5 km run
  • Super Sprint Tri: 200 yards swim, 5.5 miles bike, 1.7 miles run

The sprint bike course is described as two loops with rolling hills. The 5K run circles the lake, with a few small inclines and a downhill final mile. Aid is available on the run at the town hall section. Racks are assigned first come, first serve. Waves are separated by male and female categories. A relay division is offered. Registration opens January 31, 2026 at 12:00am EST, and online registration closes at 4pm on race day. Visit the organization's website for the most recent information.

Super Sprint Tri
Sprint Tri
Sprint Relay Tri
Aqua Bike