Iowa Triathlon Calendar 2025-2026

Aug

2

Saturday

Wapsi Wiggle Half Marathon

Riceville, Iowa

5 km 13 mi

Aug

2

Saturday

Trail of the Dragon 50 Mile Run

Ida Grove, Iowa

Trail Run 50 km 50 mi

Aug

9

Saturday

Adel Sweet Corn Festival 5K

Adel, Iowa

5 km

Aug

9

Saturday

Mines Of Spain Trail Races

Dubuque, Iowa

Trail Run 4 mi 7 mi 13 mi

Aug

9

Saturday

Twin Lakes Triathlon

Manson, Iowa

Triathlon

Aug

10

Sunday

Trench Run

Johnston, Iowa

Trail Run 10 km

Aug

16

Saturday

Summer Sizzler - Des Moines

Des Moines, Iowa

5 km 10 km 15 km

Aug

16

Saturday

Iowa Trail Run Series: Annett Nature Center

Indianola, Iowa

Trail Run 5 km 10 km

Aug

23

Saturday

Timber Triathlon

Corning, Iowa

Triathlon

Aug

23

Saturday

Scoco50 - Long Grove, IA

Eldridge, Iowa

Trail Run 5 mi 10 mi 50 km

Aug

23

Saturday

Lincolnway 5K

Calamus, Iowa

5 km

Aug

30

Saturday

Step up Half Marathon

Storm Lake, Iowa

5 km 13 mi

Aug

30

Saturday

Booneville Backroads Ultra

Van Meter, Iowa

Trail Run 10 km 50 km 100 km 100 mi

Aug

31

Sunday

NewBo Run

Cedar Rapids, Iowa

10 km 13 mi

Aug

31

Sunday

Summer Sizzler - Cedar Falls

Cedar Falls, Iowa

5 km 10 km 15 km

Sep

6

Saturday

Black Hawk YMCA Triathlon

Waterloo, Iowa

Triathlon

Sep

7

Sunday

Clinton Half Marathon

Clinton, Iowa

5 km 10 km 13 mi

Sep

12-14

Fr - Su

Mighty Mo Run

Sioux City, Iowa

5 km 10 km 13 mi

Sep

13

Saturday

Pleasant Creek Trail Run

Palo, Iowa

Trail Run 15 km 30 km 45 km

Sep

13

Saturday

Running Free 5K

Davenport, Iowa

5 km