Duathlon Race Calendar in Iowa, United States

Aug

30

Hero Hustle Sprint Triathlon & Duathlon

Manchester, Iowa, United States

Triathlon Duathlon

Individual Triathlon Team Triathlon Individual Duathlon

Sep

13

2026 Quarry Springs Paddle Skedaddle Biathlon

Colfax, Iowa, United States

$25.00 - $45.00

Paddle sports Duathlon Running

8.9K 5.6K

May

23

Black Squirrel Triathlon

Council Bluffs, Iowa, United States

$20.00 - $150.00

Triathlon Swimrun Aquabike Swimming Duathlon

25.8K 5.8K Half-Marathon Open Water Swim 750 Meters +2

Jun

13

Pigman Triathlon + Duathlon + Aquabike + Open Water Swim

Palo, Iowa, United States

$20.00 - $160.00

Triathlon Aquabike Swimming Duathlon

Sprint Triathlon - Individual Olympic Distance - Individual Sprint Triathlon - Relay Team Olympic Distance - Relay Team +5

Jun

27

Ames Triathlon, Duathlon, Aquabike

Ames, Iowa, United States

$12.00 - $150.00

Triathlon Aquabike Duathlon Swimming

Triathlon Individual Triathlon Relay Paratriathlon Aquabike (swim and bike) +2

Aug

15

Storm the Lake Sprint Triathlon - Duathlon - Open Water Swim

Storm Lake, Iowa, United States

Triathlon Duathlon Swimming

Sprint Triathlon Sprint Triathlon TEAM RELAY Duathlon Duathlon TEAM RELAY +1

Jul

25

First Responders "Bring in the Backup" Triathlon

Northwood, Iowa, United States

Triathlon Aquabike Duathlon

First Responders "Bring in the Backup" Triathlon Relay - Sprint Triathlon Aquabike Duathlon

Jun

26

Chutes & Ladders Bike & Run Duathlon

Sioux City, Iowa, United States

Duathlon

Chutes & Ladders Bike & Run Duathlon

Jun

20

BCH Foundation Trestle Hustle

Madrid, Iowa, United States

Duathlon Running

27.4K 5K 10K +3