Duathlon Race Calendar in United States

Tri Millennium

Walker, Michigan, United States

Jul 24, 2026 (Fri) – Jul 25, 2026

$45.00 - $139.00

Triathlon, Duathlon, Aquabike

25.6K 3.2K 6.4K 29.9K +8

DQ Laurel Lake Triathlon, Duathlon, Aquabike, Aquathlon, & Super Sprint Triathlon in honor of William Laubengeyer *#

Millville, New Jersey, United States

Jul 25, 2026 (Sat)

$100.00 - $160.00

Triathlon, Duathlon, Running, Swimrun

27.9K 30.7K 22.3K 6K +3

Dragon Fly Triathlon & AquaBike

Sardis, Mississippi, United States

Jul 25, 2026 (Sat)

$55.00 - $140.00

Triathlon, Duathlon

26.5K Half-Marathon Ultra +6

Crescent City Triathlon

Crescent City, California, United States

Jul 26, 2026 (Sun)

$30.00 - $75.00

Triathlon, Duathlon

5K 1.6K +1

Game On! Saint Augustine Triathlon

Vilano Beach, Florida, United States

Jul 26, 2026 (Sun)

$149.00 - $299.00

Triathlon, Duathlon, Aquabike

Ultra 40.7K 23.1K 24.3K +3

Lake Nona Tri-Nona Triathlon Series Race 1

Orlando, Florida, United States

Jul 26, 2026 (Sun)

$145.00 - $169.00

Triathlon, Duathlon, Aquabike

23.2K 24.8K 18.2K

2026 Matt Mason "Cowboy UP" Triathlon/Duathlon

Smithville, Missouri, United States

Jul 26, 2026 (Sun)

$115.00 - $185.00

Triathlon, Duathlon

23.2K 41.2K 25.7K +2

2026 Solana Beach Triathlon & Duathlon and Solana Beach 5K

Solana Beach, California, United States

Jul 26, 2026 (Sun)

$46.00 - $271.00

Triathlon, Duathlon, Aquabike, Running

5K 6.4K +2

Top Gun Triathlon

Saint Petersburg, Florida, United States

Aug 1, 2026 (Sat)

$119.00 - $199.00

Duathlon, Aquabike, Triathlon

1.6K 16.1K 5K +1

YFC Seeley Lake Challenge Triathlon/Duathlon

Seeley Lake, Montana, United States

Aug 1, 2026 (Sat)

$35.00 - $100.00

Triathlon, Duathlon

22K 21.7K 26.7K Half-Marathon +5

DINO Gravel Triathlon

Terre Haute, Indiana, United States

Aug 1, 2026 (Sat)

$35.00 - $90.00

Duathlon, Triathlon, Trail running

10K 1.6K +1

City Summer Triathlon (Usat Sanctioned)

Far Rockaway, New York, United States

Aug 1, 2026 (Sat)

Free - $145.00

Triathlon, Duathlon

24.1K 29K