Race Calendar in Iowa, United States

Outrun the Rays 5k Walk/Run

Peosta, Iowa, United States

16 May, 2026 (Sat)

$20.00 - $35.00

Running

5K 1.6K

Girls on the Run 5K Presented by EMC Insurance

Des Moines, Iowa, United States

17 May, 2026 (Sun)

$30.00

Running

5K

Black Squirrel Triathlon

Council Bluffs, Iowa, United States

17 May, 2026 (Sun)

$105.00 - $195.00

Triathlon, Swimrun, Aquabike

25.8K 5.8K Half-Marathon

Iowa Championship Open Water Swim Series

Palo, Iowa, United States

17 May, 2026 (Sun) – 20 Sep, 2026

Iowa Championship Triathlon Series

Palo, Iowa, United States

17 May, 2026 (Sun) – 20 Sep, 2026

MS 3000

Marshalltown, Iowa, United States

23 May, 2026 (Sat) – 21 Jun, 2026

Miss Clinton County 5K

Dewitt, Iowa, United States

23 May, 2026 (Sat)

$35.00

Running

5K

The Stu

Mason City, Iowa, United States

23 May, 2026 (Sat)

$35.00

Running

6.4K

Hometown Half Marathon & 5k/10k - Des Moines

Des Moines, Iowa, United States

24 May, 2026 (Sun)

Free - $74.00

Running

1.6K 5K 10K Half-Marathon +1

Quad Cities Criterium Running Wild Mile

Davenport, Iowa, United States

25 May, 2026 (Mon)

$20.00

Running

1.6K

Modified Murph Challenge

Chariton, Iowa, United States

25 May, 2026 (Mon)

St. Joseph Fun Days 5K Race and Kids Fun Run

Marion, Iowa, United States

29 May, 2026 (Fri)

$15.00 - $30.00

Running

0.8K 5K