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Upcoming Triathlons in Connecticut

Find 14 upcoming events across the state

TriRidgefield Sprint Triathlon and Duathlon
Triathlon

TriRidgefield Sprint Triathlon and Duathlon

Ridgefield, CT
May 31, 2026
SprintDuathlon
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Mini of Fairfield County triathlon and duathlon 2026
Triathlon

Mini of Fairfield County triathlon and duathlon 2026

Bridgeport, CT
June 14, 2026
SprintDuathlon
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Lake Terramuggus Sprint Triathlon #1
Triathlon

Lake Terramuggus Sprint Triathlon #1

Marlbrough, CT
June 18, 2026
Sprint
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Pat Griskus Olympic, Du, Sprint Triathlon
Triathlon

Pat Griskus Olympic, Du, Sprint Triathlon

Middlebury, CT
June 20, 2026
SprintOlympicDuathlon
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Lake Terramuggus Sprint Triathlon #2
Triathlon

Lake Terramuggus Sprint Triathlon #2

Marlbrough, CT
July 2, 2026
Sprint
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Hopkins Vineyard Triathlon
Triathlon

Hopkins Vineyard Triathlon

New Preston, CT
July 11, 2026
Sprint
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Litchfield Hills Triathlon
Triathlon
Price rises in 47 days

Litchfield Hills Triathlon

New Hartford, CT
July 11, 2026
OlympicAquabike
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Lake Terramuggus Sprint Triathlon #3
Triathlon

Lake Terramuggus Sprint Triathlon #3

Marlbrough, CT
July 16, 2026
Sprint
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Lake Terramuggus Sprint Triathlon #4
Triathlon

Lake Terramuggus Sprint Triathlon #4

Marlbrough, CT
July 30, 2026
Sprint
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Race4Chase Triathlon Program FINALE Race: Connecticut
Triathlon

Race4Chase Triathlon Program FINALE Race: Connecticut

Southington, CT
August 1, 2026
Youth
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Sharon Sprint Triathlon
Triathlon

Sharon Sprint Triathlon

Sharon, CT
August 8, 2026
Sprint
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Niantic Bay Triathlon
Triathlon

Niantic Bay Triathlon

Niantic, CT
August 9, 2026
Sprint
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Lake Terramuggus Olympic Triathlon
Triathlon
Price rises in 109 days

Lake Terramuggus Olympic Triathlon

Marlbrough, CT
August 15, 2026
Olympic
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Dave Parcells Madison Triathlon
Triathlon
Price rises in 96 days

Dave Parcells Madison Triathlon

Madison, CT
September 12, 2026
SprintYouthParatriathlon
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Finding the Right Connecticut Triathlon

Whether you are looking for a beginner-friendly Sprint in Connecticut or a challenging 70.3, Let's Race provides the most up-to-date calendar for triathletes. Our Connecticut list is updated daily to include Ironman, Olympic, and local club races.