Lake Terramuggus Sprint Triathlon #1
Marlborough, Connecticut6:15 PM startOpen water swim

Race calendar
109 triathlons, duathlons and aquabikes across 36 states in June 2027: 92 sprint, 46 olympic, 4 half iron, 2 full iron, 17 kids, 48 duathlon. 83 swim in open water and 17 in a pool. Dates and fees come from race registration and refresh every night.
Marlborough, Connecticut6:15 PM startOpen water swim

Princeton, New Jersey5:00 PM startPool swim

New Hill, North Carolina7:00 AM startOpen water swim

Brighton, Michigan7:30 AM startOpen water swim


Greenville, Michigan8:00 AM startOpen water swim

Gainesville, Georgia8:00 AM startOpen water swim


Rock Hall, Maryland8:30 AM startOpen water swim



Hudson, Illinois8:00 AM startOpen water swim

Silver Lake, New York10:00 AM startOpen water swim

Maple Valley, Washington7:00 AM startOpen water swim

Boise, Idaho8:00 AM startOpen water swim

Herald, California8:00 AM startOpen water swim
Melbourne Beach, Florida7:00 AM startOpen water swim


Ridgefield, Connecticut7:00 AM startOpen water swim

Lake Mills, Wisconsin7:00 AM startOpen water swim

Madison, Wisconsin7:00 AM startOpen water swim

Nashville, Tennessee7:30 AM startOpen water swim

Hammond, Indiana8:00 AM startOpen water swim



Polk City, Iowa7:00 AM startOpen water swim

Cassadaga, New York5:45 PM startOpen water swim

Bolton Landing, New YorkOpen water swim
Knoxville, Tennessee7:00 AM startOpen water swim

Napoleon, Ohio7:30 AM startPool swim

Montauk, New York7:30 AM startOpen water swim

Hilton Head Island, South Carolina7:30 AM startOpen water swim

Wright City, Missouri7:00 AM startOpen water swim

Fayetteville, New York8:00 AM startTrailPool swim


The page shows the next June to come. Races appear as their organizers open registration, so later months fill in through the winter.