Duathlon Race Calendar in United States

DINO Off-Road Triathlon

North Liberty, Indiana, United States

Jun 20, 2026 (Sat)

Duathlon, Triathlon, Trail running

7K 1.6K 5K +1

Turtleman Triathlon

Jupiter, Florida, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon, Aquabike

10.5K 21.6K 22.7K 16.6K +1

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

WHITEHOUSE MULTI-SPORT FESTIVAL

Whitehouse, Ohio, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon

22.3K 23.4K 34.6K

Rail-Trail Duathlon

Shonto, Arizona, United States

Jun 20, 2026 (Sat)

Duathlon

Marathon

Callaway Fitness Series Sprint Triathlon and Duathlon

Pine Mountain, Georgia, United States

Jun 20, 2026 (Sat)

Triathlon, Duathlon

Triathlon Duathlon

Pomona Sprint Triathlon

Manvel, Texas, United States

Jun 14, 2026 (Sun)

Duathlon

1.6K

Stafford Race for HOPE Triathlon, Duathlon, & Aquabike #

Manahawkin, New Jersey, United States

Jun 14, 2026 (Sun)

Triathlon, Duathlon, Running

24.7K 27.5K 19.7K +1

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

Clermont, Florida, United States

Jun 14, 2026 (Sun)

Running, Triathlon, Duathlon, Aquabike, Swimrun

5K 18.6K 19.8K 13.6K +8

Tri Star Triathlons & Duathlons

Knoxville, Tennessee, United States

Jun 13, 2026 (Sat)

Triathlon, Aquabike, Duathlon

24.1K 19.3K 28.2K Ultra +7

The Great Escape Triathlon

Jefferson City, Missouri, United States

Jun 13, 2026 (Sat) – Jun 14, 2026

Triathlon, Duathlon

1.8K 8.2K 11.1K 24.8K +2

Ozark Valley Triathlon

Fayetteville, Arkansas, United States

Jun 13, 2026 (Sat) – Jun 14, 2026

Triathlon, Aquabike, Duathlon

37K 24.1K 30.6K 27.4K