Illinois Trail Running Calendar 2025-2026

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Explore the best trail runs in Illinois for 2025-2026! Our updated list features 402 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

March 2026
Mar
28
Saturday

Footsteps for Families 5k

5 km
Mar
28
Saturday

Rend Lake Marathon

10 km 13 mi 26 mi
Mar
28
Saturday

Schon Park 9 Endurance Run

Backyard Ultra 3 hr 6 hr 9 hr
April 2026
Apr
4
Saturday

Chi Town Half Marathon

10 km 13 mi
Apr
9-12
Th - Su

Potawatomi Trail Runs

Trail Run 10 mi 30 mi ... 150 mi 200 mi
Apr
11
Saturday

Lincoln Presidential Half Marathon

13 mi
Apr
12
Sunday

I Raced The Law

5 km
Apr
18
Saturday

Chicken Run

5 km 10 km
Apr
18
Saturday

Earth Day 50k

Trail Run 5 mi 15 mi 50 km
Apr
18
Saturday

PRC Pinwheel 5K Run

5 km
Apr
18
Saturday

Braveheart CAC Superhero 5k Run/Walk

5 km
Apr
18
Saturday

Easterseals Central Illinois Community Rally Run 5K

5 km
Apr
23-25
Th - Sa

Illinois Race Weekend

5 km 10 km 21 km 42 km
Apr
25
Saturday

Childish Nonsense

Trail Run 10 km 25 km 50 km 50 mi
Apr
26
Sunday

Ravenswood Run

5 km
May 2026
May
2
Saturday

Fight Hunger 10K

5 km 10 km
May
2
Saturday

The Lake Run

3 mi 4 mi 12 km
May
3
Sunday

Chicagoland Spring Marathon

10 km 13 mi 26 mi
May
9
Saturday

Mother's Day Run/Walk - St. Charles

5 km
May
9
Saturday

F^3 Cap Sauers Trail Marathon

Trail Run 10 mi 26 mi
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