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Running calendar near DeKalb 2025-2026

Explore the top running races near DeKalb for 2025-2026! We've gathered 6 exciting races in the area. Check out our detailed list below to find your next local race.

June 2025
Jun
22
Sunday

Ironman 70.3 Rockford Illinois

Triathlon
July 2025
Jul
4
Friday

Lifescape 4th of July Classic Run

2 mi 8 km
Jul
6
Sunday

All American 8 Mile - Greater Chicago

4 mi 8 mi
Jul
19
Saturday

Run for the Dogs 5k

5 km
August 2025
Aug
10
Sunday

Coon Creek Classic

10 km
Aug
16
Saturday

RAMP River Run – 1/2 Marathon

3 km 5 km 13 mi
Aug
23-24
Sa - Su

Tough Mudder - Chicago

Obstacle Run 5 km 15 km
Aug
30
Saturday

Gristmill Grind 10K

Trail Run 10 km
September 2025
Sep
6
Saturday

Last Chance BQ.2 Marathon

26 mi
Sep
21
Sunday

Fox Valley Marathon Races

5 km 13 mi 20 mi 26 mi
Sep
28
Sunday

DeKalb Corn Classic

5 km 10 km
October 2025
Oct
26
Sunday

Sycamore Pumpkin 10k Run

10 km
November 2025
Nov
27
Thursday

The Fox & The Turkey Races

4 mi
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