Duathlon Race Calendar

Pat Griskus Olympic, Du, Sprint Triathlon

Middlebury, Connecticut, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon, Aquabike

Ultra 22.7K 40.2K +2

Turtleman Triathlon

Jupiter, Florida, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon, Aquabike

10.5K 21.6K 22.7K 16.6K +1

Sunset Lake Triathlon #

Bridgeton, New Jersey, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon, Aquabike, Running, Cycling

Ultra 26.3K 29.1K Half-Marathon +5

Solstice Run

Seattle, Washington, United States

Jun 20, 2026 (Sat)

Running, Duathlon

5K 10K 15K Half-Marathon

South Haven Triathlon

South Haven, Michigan, United States

Jun 20, 2026 (Sat)

Triathlon, Aquabike, Duathlon

25.8K Half-Marathon 25K +1

Callaway Fitness Series Sprint Triathlon and Duathlon

Pine Mountain, Georgia, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon

Triathlon Duathlon

BCH Foundation Trestle Hustle

Madrid, Iowa, United States

Jun 20, 2026 (Sat)

Duathlon, Running

27.4K 5K 10K +3

WHITEHOUSE MULTI-SPORT FESTIVAL

Whitehouse, Ohio, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon

22.3K 23.4K 34.6K

Tidewater Striders Duathlon

Chesapeake, Virginia, United States

Jun 20, 2026 (Sat)

Duathlon

26.4K 10.5K

Huntington Lake Triathlon, 5k & 10k

Lakeshore, California, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon, Aquabike, Swimrun, Running

22.9K 48K 27.5K 17.5K +8

Big Mack Sprint Triathlon

Burlington, North Carolina, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon, Aquabike, Running

29.1K 31.5K 24.1K 31.7K +6

DINO Off-Road Triathlon

North Liberty, Indiana, United States

Jun 20, 2026 (Sat)

Duathlon, Triathlon, Trail running

7K 1.6K 5K +1