Triathlon Race Calendar in Iowa, United States

Aug

29

TRI Clear Lake 2026

Clear Lake, Iowa, United States

$50.00

Triathlon

25.7K Ultra +1

Aug

29

Rugged Toad Adventure Triathlon

Janesville, Iowa, United States

$80.00

Triathlon

Adventure Triathlon

Aug

30

Hero Hustle Sprint Triathlon & Duathlon

Manchester, Iowa, United States

Triathlon Duathlon

Individual Triathlon Team Triathlon Individual Duathlon

Sep

13

Black Hawk YMCA Triathlon

Waterloo, Iowa, United States

$95.00 - $150.00

Triathlon

29.4K

Sep

26

Tri For Lewy

Solon, Iowa, United States

Free - $45.00

Triathlon Running

Ultra Volunteer +6

Sep

27

TriByLittleKnight Triathlon

Waverly, Iowa, United States

$50.00

Triathlon

TriByLittleKnight Triathlon

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

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