Triathlon Race Calendar in United States

Jun

20

DINO Off-Road Triathlon

North Liberty, Indiana, United States

Duathlon Triathlon Trail running

7K 1.6K 5K +1

Jun

20

Clemson Triathlon

Seneca, South Carolina, United States

Triathlon Aquabike Swimrun

Sprinternational Triathlon Sprinternational Relay Aquabike Aquathlon +2

Jun

20

Sunset Lake Triathlon #

Bridgeton, New Jersey, United States

Triathlon Duathlon Aquabike Running Cycling

Ultra 26.3K 29.1K Half-Marathon +5

Jun

20

Pesky Piranha Youth Triathlon 2026

Huntsville, Alabama, United States

Triathlon

Guppies (7 and Under) Girls Juniors (8-10) Girls Seniors (11-14) Girls Guppies (7 and Under) Boys +2

Jun

20

Tremont Triathlon

Tremont, Illinois, United States

Triathlon

5K

Jun

20

River Trail Adventure Triathlon

Lowell, Michigan, United States

Triathlon

16.1K 33.8K

Jun

19

ConcreteMan & ConcreteKids Triathlon

Rogersville, Missouri, United States

Triathlon

24K 48.5K 13.1K

Jun

18

Lake Terramuggus Sprint Triathlon #1

Marlborough, Connecticut, United States

Triathlon

23.1K 11.8K 18.2K

Jun

17

Brick Endurance Summer Triathlon Series #2

Durham, North Carolina, United States

Triathlon

Half-Marathon

Jun

14

Milton Youth Tri

Milton, Wisconsin, United States

Triathlon Running

Milton Youth Tri (AGES 5-9) Milton Youth Tri (AGES 10-12) Kids Run

Jun

14

Playtri Little Elm Lake Triathlon & Run-Bike-Run

Little Elm, Texas, United States

Triathlon Duathlon Running

Sprint Triathlon Olympic Triathlon Duathlon (Run-Bike-Run) Sprint Triathlon Relay +3

Jun

14

AdventHealth Cool Sommer Mornings Triathlon-Duathlon-5K Series #1

Clermont, Florida, United States

Running Triathlon Duathlon Aquabike Swimrun

5K 18.6K 19.8K 13.6K +8