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Illinois Half Marathon Calendar 2026-2027

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Monthly updates for Illinois

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Explore the best half marathons in Illinois for 2026-2027! Our updated list features 55 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

January 2027
Jan
30
Sa

F3 Lake Half Marathon

5 km 13 mi
February 2027
Feb
13-21
Sa - Su

Fly with the Eagles Half Marathon

13 mi
March 2027
Mar
13
Sa

Muddy Shamrock @ The Forge

Trail Run 7 mi 13 mi
Mar
14
Su

March Madness Half Marathon

Half Marathon
Mar
27
Sa

Rend Lake Marathon

7 mi 13 mi 26 mi
April 2027
Apr
3
Sa

Chi Town Half Marathon

10 km 13 mi
Apr
10
Sa

Lincoln Presidential Half Marathon

13 mi
Apr
18
Su

Naperville Women's Half Marathon

Road Race Walk 5 km Half Marathon
Apr
18
Su

Mainly Marathons Riverboat Series - Vienna

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

Illinois Race Weekend

Road Race Walk 5 km 10 km Half Marathon Marathon
May 2027
May
2
Su

Great Western Half-Marathon & 10K

Trail Run Walk 10 km Half Marathon
May
2
Su

Chicagoland Spring Marathon

10 km 13 mi 26 mi
May
23
Su

Chicago Spring Half Marathon

5 km Half Marathon
June 2027
Jun
6
Su

North Shore Classic

5 km Half Marathon
Jun
6
Su

Bank of America Chicago 13.1

13 mi
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