Illinois Obstacle Race Calendar 2025-2026

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Explore the best obstacle runs in Illinois for 2025-2026! Our updated list features 357 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

April 2025
Apr - Sep
12-6
Sa - Sa

Spring Chance BQ.2 Marathon

26 mi
Apr
12
Saturday

Donot Stop Half Marathon - Chicago

5 km 10 km 13 mi
Apr
12
Saturday

Southern Illinois Marathon

2 mi 10 km
Apr
12
Saturday

Forgotten Warrior Memorial 5k

5 km
Apr
12
Saturday

Wild Blossom Wine Run 5k

5 km
Apr
12
Saturday

BlueForCrewe 5k

5 km
Apr
12
Saturday

Valerie Stevens 10k Memorial Scholarship

5 km 10 km
Apr
12
Saturday

Morris Superhero Run

5 km 10 km
Apr
12
Saturday

Springfest 5K Run

5 km
Apr
12
Saturday

Going The Distance for the Salvation Army

5 km
Apr
12
Saturday

Fast & Furriest 5k Fun Run

5 km
Apr
12
Saturday

Tutus & Bowties 5K

5 km
Apr
12
Saturday

Run for 102 Race to the Finish

5 km
Apr
12
Saturday

The Germazing Race 5K

5 km
Apr
12
Saturday

Run Wild 5K - Palos Heights

5 km
Apr
13
Sunday

I Raced The Law

5 km
Apr
13
Sunday

Run for the Dogs - Glenview

5 km
Apr
13
Sunday

Together We Tri Indoor Triathlon

Triathlon
Apr
13
Sunday

Stride for Sustainability 5K

5 km
Apr
19
Saturday

Loud Thunder 50

Trail Run 13 mi 50 km 50 mi
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