Triathlon Race Calendar in Iowa, United States

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

14

Ymca of Washington County Triathlon

Washington, Iowa, United States

$65.00 - $90.00

Triathlon

Individual Triathlon Team Triathlon

Aug

29

Hero Hustle Sprint Triathlon & Duathlon

Manchester, Iowa, United States

$75.00 - $150.00

Triathlon Duathlon

Individual Triathlon Team Triathlon Individual Duathlon

Sep

27

TriByLittleKnight Triathlon

Waverly, Iowa, United States

Triathlon

TriByLittleKnight Triathlon

Sep

26

Tri For Lewy

Solon, Iowa, United States

Triathlon Running

Ultra Volunteer +6

Sep

13

Black Hawk YMCA Triathlon

Waterloo, Iowa, United States

Triathlon

29.4K

Aug

29

TRI Clear Lake 2026

Clear Lake, Iowa, United States

Triathlon

25.7K Ultra +1

Aug

29

Rugged Toad Adventure Triathlon

Janesville, Iowa, United States

Triathlon

Adventure Triathlon

Aug

15

RipRoar Youth Triathlon | Johnston, IA

Johnston, Iowa, United States

Triathlon

JUNIOR: 6-8 as of December 31, 2026 INTERMEDIATE: 9-11 as of December 31, 2026 SENIOR: 12-15 as of December 31, 2026

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