Skip to content
SundayMarathon Search runners, clubs, races…

All countries / United States

Marathon directory

Marathons in Illinois, United States

104 upcoming marathons listed in Illinois across 5 cities. Next: Semi-Marathon Life Time de Chicago on May 16, 2027.

104marathons upcoming
5cities
May 16, 2027Next race
Marathon, Half marathon, Ultra, 10K, 5K, RelayDistances

List your marathon with verified details

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

  • $199 paid review
  • Official source verification
  • Runner-ready listing
  • Organizer dashboard

Already listed in Illinois, United States? Open the race and use Update listing. Missing event? Start here with the location prefilled.

Submit for review How review works
13JUN
42.2K course — Sullivan, Illinois, United States
Sullivan Dash & Bash
Sullivan, Illinois, United States
June 13, 2026 JUN
20JUN
21.1K course — Chicago, Illinois, United States
Sloth Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
June 20, 2026 JUN
27JUN
21.1K course — Hoffman Estates, Illinois, United States
Hoffman Estates Stars & Stripes Half Marathon, 10K & 5K
Hoffman Estates, Illinois, United States
June 27, 2026 JUN
03JUL
ULTRA course — Illinois, United States
Genesis Firecracker Run
Illinois, United States
July 3, 2026 JUL
04JUL
21.1K course — Chicago, Illinois, United States
July 4th Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
July 4, 2026 JUL
04JUL
ULTRA course — Lake Zurich, Illinois, United States
Stars and Stripes - America's 250th Anniversary Challenge
Lake Zurich, Illinois, United States
July 4, 2026 JUL
14JUL
42.2K course — Illinois, United States
Heartland Series - Day 4 (IL)
Illinois, United States
July 14, 2026 JUL
17JUL
ULTRA course — Chillicothe, Illinois, United States
CMAR Trail Races: Cry Me A River
Chillicothe, Illinois, United States
July 17, 2026 JUL
17JUL
21.1K course — Southern, Illinois, United States
Fly with the Eagles Half Marathon-SUMMER EDITION!
Southern, Illinois, United States
July 17, 2026 JUL
17JUL
ULTRA course — Dixon, Illinois, United States
Pinetum Mind Games Endurance Event
Dixon, Illinois, United States
July 17, 2026 JUL
18JUL
21.1K course — Elk Grove Village, Illinois, United States
Christmas in July Half Marathon and 5K (Chicago area)
Elk Grove Village, Illinois, United States
July 18, 2026 JUL
18JUL
ULTRA course — Albion, Illinois, United States
Quail Ridge Farm Backyard Ultra
Albion, Illinois, United States
July 18, 2026 JUL
18JUL
ULTRA course — Carol Stream, Illinois, United States
Road Warrior 50k (Individual and Relay)
Carol Stream, Illinois, United States
July 18, 2026 JUL
18JUL
42.2K course — Chicago, Illinois, United States
Stan's Donut Race
Chicago, Illinois, United States
July 18, 2026 JUL
19JUL
ULTRA course — Crystal Lake, Illinois, United States
Crystal Lake Aquathon - 2026
Crystal Lake, Illinois, United States
July 19, 2026 JUL
19JUL
21.1K course — Chicago, Illinois, United States
Rock 'n' Roll Chicago Half Marathon
Chicago, Illinois, United States
July 19, 2026 Certified
25JUL
21.1K course — Chicago, Illinois, United States
Run for Donuts 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
July 25, 2026 JUL
25JUL
ULTRA course — Illinois, United States
Semi Marathon de Kinzua
Illinois, United States
July 25, 2026 JUL
31JUL
42.2K course — Mahomet, Illinois, United States
Run Mahomet
Mahomet, Illinois, United States
July 31, 2026 JUL
01AUG
ULTRA course — Illinois, United States
Semi-Marathon de Mahomet
Illinois, United States
August 1, 2026 AUG
02AUG
21.1K course — Elk Grove Village, Illinois, United States
Heatwave Half Marathon - Greater Chicago
Elk Grove Village, Illinois, United States
August 2, 2026 AUG
06AUG
ULTRA course — Illinois, United States
Illinois State Fair Parade Run
Illinois, United States
August 6, 2026 AUG
08AUG
ULTRA course — Edwardsville, Illinois, United States
Watershed Endurance 6Hr/3Hr Runs
Edwardsville, Illinois, United States
August 8, 2026 AUG
15AUG
21.1K course — Chicago, Illinois, United States
Bagel Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
August 15, 2026 AUG

Cities

Place Marathons
Chicago 3
Naperville 2
Galena 1
Moline 1
Oak Park 1

Planning notes for Illinois, United States

Use this region page to shortlist 104 upcoming races by date, distance, registration path, and official source.

  • Next raceSemi-Marathon Life Time de Chicago on May 16, 2027
  • Busy monthsSeptember (22), October (21), July (16)
  • 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