Marathons in Illinois, United States
29 upcoming races are listed in Illinois, including 13 marathons, 24 half marathons and 12 ultras. The next is Ooh LaLa Chocolate Run * Walk on November 8, 2026.
April has the most races. Race pages link the official source where we have one. Confirm dates and prices with the organizer before you register.
29
Races listed
13
Marathons
April
Busiest month
25 May
Last updated
| Date | Race | City | Distances |
|---|---|---|---|
| 8 Nov 2026 08Nov 26 | Ooh LaLa Chocolate Run * Walk | Illinois | 21.1K · Virtual |
| 14 Nov 2026 14Nov 26 | Run for Mental Health 5K/10K/13.1 CHICAGO/EVANSTON | Chicago | 42.2K · 21.1K · 10K |
| 14 Nov 2026 14Nov 26 | Tunnel Hill 100 | Vienna | 100 Miler · 100K · 50 Miler |
| 21 Nov 2026 21Nov 26 | Turkey Trot | Decatur | 21.1K · 10K · 5K |
| 26 Nov 2026 26Nov 26 | Run Off the Turkey Trot | Illinois | Ultra · 21.1K |
| 28 Nov 2026 28Nov 26 | Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTON | Chicago | 42.2K · 21.1K · 10K |
| 28 Nov 2026 28Nov 26 | Schaumburg Turkey Trot Half Marathon & 5K | Elk Grove Village | 21.1K · 5K · Virtual |
| 28 Nov 2026 28Nov 26 | Turkey Trails - Greater Chicago | Shorewood | 21.1K · 10K · 5K |
| 12 Dec 2026 12Dec 26 | Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON | Chicago | 42.2K · 21.1K · 10K |
| 26 Dec 2026 26Dec 26 | New Year's Run 5K/10K/13.1 CHICAGO/EVANSTON | Chicago | 42.2K · 21.1K · 10K |
| 24 Jan 2027 24Jan 27 | F^3 Lake Half Marathon | Illinois | Ultra · 21.1K |
| 30 Jan 2027 30Jan 27 | 18th Annual F^3 Lake Half Marathon & 5k | Chicago | 42.2K · 21.1K · 5K |
| 13 Feb 2027 13Feb 27 | Fly with the Eagles Half Marathon | Murphysboro | 21.1K · Virtual |
| 6 Mar 2027 06Mar 27 | Cactus Classic Trail Races | Topeka | 42.2K · 21.1K |
| 13 Mar 2027 13Mar 27 | Muddy Shamrock @ The Forge | Lemont | 21.1K |
| 21 Mar 2027 21Mar 27 | Chicago Shamrock Shuffle | Illinois | Ultra |
| 27 Mar 2027 27Mar 27 | Rend Lake Marathon | Benton | 42.2K · 21.1K |
| 4 Apr 2027 04Apr 27 | Chi Town Half Marathon & 10k | Illinois | Ultra · 21.1K · 10K |
| 4 Apr 2027 04Apr 27 | Coffee Lovers - Chicago | Illinois | Ultra · 21.1K |
| 10 Apr 2027 10Apr 27 | Lincoln Presidential Half Marathon | Springfield | 21.1K · Virtual |
| 11 Apr 2027 11Apr 27 | Spring Chance BQ.2 Marathon | Geneva | 42.2K |
| 14 Apr 2027 14Apr 27 | Loud Thunder 50 | Illinois | 50 Miler · 50K · 21.1K |
| 18 Apr 2027 18Apr 27 | Naperville Women's Half Marathon and 5K | Naperville | 21.1K · 5K |
| 18 Apr 2027 18Apr 27 | Riverboat Series - IL | Vienna | 50K · 42.2K · 21.1K |
Around Illinois
This is the most detailed level of the directory. Widen the search to the surrounding region.
Common questions
When is the next race in Illinois?
Ooh LaLa Chocolate Run * Walk on November 8, 2026. The table above lists every upcoming race in date order.
Which months are busiest in Illinois?
April (9), November (8), March (4), counting every upcoming race listed in Illinois.
Which distances can I run in Illinois?
The listed races include 13 marathons, 24 half marathons, 12 ultras, 7 10Ks and 10 5Ks. Many events offer more than one distance on the same day.
How do I confirm a race’s details?
Open the race page and check its provenance ledger, which shows where each fact came from. Then confirm the date, price and entry rules with the organizer before you register or book travel.
Spotted something wrong on this page?
Dates and prices move · tell us and we check the organizer’s source