Triathlon Race Calendar in United States

Heart O' Dixie Triathlon

Louisville, Mississippi, United States

Jun 20, 2026 (Sat)

Triathlon

Ultra

South Haven Triathlon

South Haven, Michigan, United States

Jun 20, 2026 (Sat)

Triathlon, Aquabike, Duathlon

25.8K Half-Marathon 25K +1

Turtleman Triathlon

Jupiter, Florida, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon, Aquabike

10.5K 21.6K 22.7K 16.6K +1

Tremont Triathlon

Tremont, Illinois, United States

Jun 20, 2026 (Sat)

Triathlon

5K

DINO Off-Road Triathlon

North Liberty, Indiana, United States

Jun 20, 2026 (Sat)

Duathlon, Triathlon, Trail running

7K 1.6K 5K +1

Geneva Mixed Team Relay presented by Red Jacket Orchards

Geneva, New York, United States

Jun 19, 2026 (Fri)

Triathlon

12.9K

ConcreteMan & ConcreteKids Triathlon

Rogersville, Missouri, United States

Jun 19, 2026 (Fri) – Jun 20, 2026

Triathlon

24K 48.5K 13.1K

Lake Terramuggus Sprint Triathlon #1

Marlborough, Connecticut, United States

Jun 18, 2026 (Thu)

Triathlon

23.1K 11.8K 18.2K

Brick Endurance Summer Triathlon Series #2

Durham, North Carolina, United States

Jun 17, 2026 (Wed)

Triathlon

Half-Marathon

Hudson Valley Triathlon Club Summer Tri Series

Mount Tremper, New York, United States

Jun 17, 2026 (Wed) – Aug 12, 2026

$109.00 - $159.00

Triathlon, Aquabike

22.5K 19.3K +6

2026 Cal Tri DC - 6.14.26

Marbury, Maryland, United States

Jun 14, 2026 (Sun)

Running

5K 10K

Lawroweld Triathlon

Weld, Maine, United States

Jun 14, 2026 (Sun)

Triathlon

31.2K 5.6K