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Illinois Running Calendar 2026-2027

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Explore the best running races in Illinois for 2026-2027! Our updated list features 574 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

Half Marathons Marathons Trail Runs Triathlons
April 2027
Apr
10
Sa

Wild Blossom Wine Run 5K

5 km
Apr
10
Sa

West Chicago Step into Spring 5K

5 km
Apr
11
Su

Duke's Alehouse Spirits Run

5 km
Duke's Alehouse Spirits Run Evening 5K in Crystal Lake starting and ending at Duke's Alehouse & Kitchen with timing, a participant medal and shirt, and a themed drink after the run.
Apr
11
Su

Spring Chance BQ.2 Marathon

Marathon
Apr
11
Su

Lakefront 10 Miler

5 km 10 mi
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Apr
17
Sa

Chicken Run

5 km 10 km
Apr
17
Sa

Earth Day 50k

Trail Run 5 mi 15 mi 50 km
Apr
17
Sa

August Hill Wine Run 5K

5 km
Apr
18
Su

Naperville Women's Half Marathon

5 km Half Marathon
Apr
18
Su

I Raced The Law

5 km
Apr
18
Su

Mainly Marathons Riverboat Series - Vienna

5 km 10 km ... Marathon 50 km
Apr
22-24
Th - Sa

Illinois Race Weekend

5 km 10 km Half Marathon Marathon
Apr
24
Sa

Childish Nonsense

Trail Run 6 mi 25 km 50 km 50 mi
Apr
24
Sa

Fox Trot 10K Run

5 km 10 km
Apr
25
Su

Good Life Race

5 km
Apr
25
Su

Ravenswood Run

5 km
May 2027
May
1
Sa

Byron Rocks 10k

5 km 10 km
May
1
Sa

Fight Hunger 10K

5 km 10 km
May
1
Sa

Nun Run for Cancer

5 km
May
1
Sa

Miles for Smiles 5K - McHenry

3 mi
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