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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 553 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
October 2026
Oct
2-4
Fr - Su

Shoreline Classic

5 km 15 km
Oct
2
Fr

Scott AFB - CMSAF Binnicker Memorial Run - Race at Your Base

5 km 9 km
Oct
3
Sa

Kickin' Up the Dust 5K

5 km
Kickin' Up the Dust 5K Western themed 5K at Fox Ranch in Plano, IL on October 3, 2026, with RD timed results, a Woodie finisher medal, a costume contest, and post race music and drinks.
Oct
3
Sa

Scarecrow Scramble

5 km
Oct
3-4
Sa - Su

The Hennepin Hundred

Trail Run 50 km 50 mi 100 mi
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Oct
3
Sa

Run the Woods

Trail Run 5 km 8 km
Oct
3
Sa

Your Ways 5K

3 mi
Oct
3
Sa

Long Grove's Oktoberfest Half Marathon, 10K & 5K

5 km 10 km Half Marathon
Oct
3
Sa

Hops for Hope 5K

5 km
Oct
3
Sa

OCI Therapy 5K

5 km
Oct
3
Sa

Ostomy 5k

5 km
Oct
3
Sa

Autumn Leaf Run

Trail Run 5 km
Oct
3
Sa

Haunted Wine Run 5K at Busse Woods

5 km
Oct
3
Sa

Prairie State Cup

Triathlon Sprint 750 m 12 3.2 mi
Oct
3
Sa

Diplo's Run Club - Chicago

5 km
Oct
3
Sa

Angels Against Abuse 5K

5 km
Oct
3
Sa

Boo Island - 5K Charity Run/Walk

5 km
Oct
3
Sa

A Pace for Petey

3 mi
Oct
3
Sa

Montgomery River Run

5 km 10 km
Oct
3
Sa

Panting Four Paws

5 km 10 km
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