Skip to content
SundayMarathon

All countries / United States

Marathon directory

Marathons in Illinois, United States

84 upcoming marathons listed in Illinois across 5 cities. Next: Heatwave Half Marathon - Greater Chicago on August 2, 2026.

84marathons upcoming
5cities
August 2, 2026Next race
Marathon, Half marathon, Ultra, 10K, 5K, RelayDistances
Galena, Illinois, United States
31OCT
ULTRA
Galena River Fall Half Marathon & 8k
Galena, Illinois, United States
October 31, 2026 OCT
Chicago, Illinois, United States
31OCT
21.1K
PB&J Fuel Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
October 31, 2026 OCT
LeRoy, Illinois, United States
01NOV
21.1K
Dam Site Run
LeRoy, Illinois, United States
November 1, 2026 NOV
Illinois, United States
01NOV
ULTRA
Geneva Ooh LaLa Chocolate Half Marathon, 10K and 5K
Illinois, United States
November 1, 2026 NOV
Naperville, Illinois, United States
01NOV
42.2K
Naperville Marathon & Half Marathon
Naperville, Illinois, United States
November 1, 2026 BQ Qualifier
Colona, Illinois, United States
06NOV
ULTRA
King Street Backyard Ultra
Colona, Illinois, United States
November 6, 2026 NOV
New Berlin, Illinois, United States
07NOV
42.2K
14th Annual Springfield Marathon & Harvest Wind Half Marathon & 10K
New Berlin, Illinois, United States
November 7, 2026 NOV
Illinois, United States
08NOV
21.1K
Ooh LaLa Chocolate Run * Walk
Illinois, United States
November 8, 2026 NOV
Chicago, Illinois, United States
14NOV
21.1K
Run for Mental Health 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
November 14, 2026 NOV
Vienna, Illinois, United States
14NOV
ULTRA
Tunnel Hill 100
Vienna, Illinois, United States
November 14, 2026 NOV
Decatur, Illinois, United States
21NOV
21.1K
Turkey Trot
Decatur, Illinois, United States
November 21, 2026 NOV
Illinois, United States
26NOV
ULTRA
Run Off the Turkey Trot
Illinois, United States
November 26, 2026 NOV
Chicago, Illinois, United States
28NOV
21.1K
Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
November 28, 2026 NOV
Elk Grove Village, Illinois, United States
28NOV
21.1K
Schaumburg Turkey Trot Half Marathon & 5K
Elk Grove Village, Illinois, United States
November 28, 2026 NOV
Shorewood, Illinois, United States
28NOV
21.1K
Turkey Trails - Greater Chicago
Shorewood, Illinois, United States
November 28, 2026 NOV
Chicago, Illinois, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
December 12, 2026 DEC
Chicago, Illinois, United States
26DEC
21.1K
New Year's Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
December 26, 2026 DEC
Illinois, United States
24JAN
ULTRA
F^3 Lake Half Marathon
Illinois, United States
January 24, 2027 JAN
Chicago, Illinois, United States
30JAN
42.2K
18th Annual F^3 Lake Half Marathon & 5k
Chicago, Illinois, United States
January 30, 2027 JAN
Murphysboro, Illinois, United States
13FEB
42.2K
Fly with the Eagles Half Marathon
Murphysboro, Illinois, United States
February 13, 2027 FEB
Topeka, Illinois, United States
06MAR
42.2K
Cactus Classic Trail Races
Topeka, Illinois, United States
March 6, 2027 MAR
Lemont, Illinois, United States
13MAR
42.2K
Muddy Shamrock @ The Forge
Lemont, Illinois, United States
March 13, 2027 MAR
Illinois, United States
21MAR
ULTRA
Chicago Shamrock Shuffle
Illinois, United States
March 21, 2027 MAR
Benton, Illinois, United States
27MAR
ULTRA
Rend Lake Marathon
Benton, Illinois, United States
March 27, 2027 MAR

List your marathon with verified details

Hosting a marathon in Illinois, United States? Submit the official source for free so runners can verify the race before they plan travel.

  • Free listing review
  • Official source verification
  • Runner-ready listing
  • Organizer dashboard

Already listed in Illinois, United States? Open the race and use Update listing. Missing event? Add it for free with the location prefilled.

Submit for review How review works

Cities

Place Marathons
Chicago 2
Naperville 2
Galena 1
Moline 1
Oak Park 1

Planning notes for Illinois, United States

Use this region page to shortlist 84 upcoming races by date, distance, registration path, and official source.

  • Next raceHeatwave Half Marathon - Greater Chicago on August 2, 2026
  • Busy monthsSeptember (22), October (21), November (13)
  • DistancesMarathon, Half marathon, Ultra, 10K, 5K, Relay
  • VerifyOpen each race page, then confirm details from its official, registration, course-map, or source link.

← Back to United States