Running races in Illinois in Apr 2027

34 races in date order

Chi Town Half Marathon & 10K
Sat 3 Apr 2027 · Chicago, IL · Half Marathon · 10K
A flat fast lakefront course along Lake Michigan in Chicago

Save
Interplanetary 5K Race
Sat 3 Apr 2027 · Peoria, IL · 5K Race · 1.6 km · 0.8 km
Runs through Peoria's scale model Solar System

Save
DoNot Stop Half Marathon (5k/10k)- Greater Chicago
Sat 3 Apr 2027 · Chicago, IL · Half Marathon · 10K · 5K · 1 Mile

Save
28TH ANNUAL LAKE SARA DAM RUN
April 2027 · Effingham, IL · Half Marathon · 8 Mile · 5K Run & Walk
Loops past the dam at Lake Sara

Save
Potawatomi Trail Runs
April 2027 · Pekin, IL · 200 Mile · 150 Mile · 100 Mile · 50 Mile · 30 Mile
Looped ultra through McNaughton Park's river bluffs

Save
Feed Your Neighbor 5K
Fri 9 Apr 2027 · Carbondale, IL · 5K
27 years of running to fight hunger in Carbondale

Save
11th annual morris superhero run
April 2027 · Morris, IL · 5K · Kids & Everyone 1K

Save
CATCH Community Action Together for Children's Health
April 2027 · Northbrook, IL · 5K

Save
Wild Blossom Wine Run 5k
Sat 10 Apr 2027 · Chicago, IL · 5k
A 5K through Dan Ryan Woods ending in a wine glass

Save
Lincoln Presidential Half Marathon
April 2027 · Springfield, IL · Half Marathon
Run past Abraham Lincoln historic sites on a USATF course

Save
The 2nd Annual Race Against Hunger
April 2027 · Quincy, IL · 5K

Save
Lakefront 10 Miler & 5K
Sun 11 Apr 2027 · Chicago, IL · Marathon · Half Marathon · 10K · 5K
The original lakefront race, over Cricket Hill and back

Save
Spring Chance BQ.2 Marathon
Sun 11 Apr 2027 · Geneva, IL · Marathon

Save
Allerton Races
April 2027 · Monticello, IL · Half Marathon · 10K · Trail-Glo 5K
Trails wind past Robert Allerton's sculpture gardens

Save
Chicken Run
Sat 17 Apr 2027 · Batavia, IL · 10K · 5K · 1/2 Mile Kids Dash

Save
Run for the Dogs - Glenview
April 2027 · Glenview, IL · 5K

Save
Superhero 3K Fun Run
April 2027 · Lisle, IL · 3K
Superhero dash at Wheaton's Sensory Garden Playground

Save
Illinois River to River Relay
Sat 17 Apr 2027 · Golconda, IL · 80 Mile Relay
80 miles across Illinois, river to river

Save
Braveheart CAC 4th Annual Superhero 5k Run/ Walk
April 2027 · Kewanee, IL · 5K

Save
Earth Day Race
Sat 17 Apr 2027 · Crystal Lake, IL · 50k · 15-mile · 5-mile

Save
PRC Pinwheel 5K Trail Run and Fun Walk
April 2027 · Peoria, IL · 5K
Trail run through Peoria's Donovan Park

Save
I Raced The Law 5K and Color 1-Mile Run
Sun 18 Apr 2027 · Oswego, IL · 5K · 1 Mile Color Run

Save
2026 Run for 102 Race to the Finish
April 2027 · La Grange, IL · 5K · 1 mile

Save
Naperville Women's Half Marathon & 5K
Sun 18 Apr 2027 · Naperville, IL · Half Marathon · 5K
Through downtown Naperville and its finest neighborhoods

Save
Illinois Race Weekend
Thu 22 Apr 2027 · Bourbonnais, IL · Marathon · Half Marathon · 10K · 5K · 1.6 km
Flat Midwest course finishing inside Memorial Stadium

Save
Vernon Hills Rec and Roll 5K
April 2027 · Vernon Hills, IL · 5K

Save
5k Run for Mental Health and Wellness
April 2027 · New Lenox, IL · 5K

Save
Nauvoo Marathon
April 2027 · Nauvoo, IL · Marathon · 3.2 km
Runs through Nauvoo, the historic Mormon pioneer town

Save
Fox Trot Run/Walk – 2026
Sat 24 Apr 2027 · Batavia, IL · 10K · 5K
Along the Fox River in downtown Batavia

Save
CFL May Day 5K Run & Walk
April 2027 · Chicago, IL · 5K Run & Walk

Save
Good Life Race
Sun 25 Apr 2027 · Oak Park, IL · 5K · Youth Mile
A CARA award-winning flat and fast Chicago-area 5K

Save
Run, Walk & Roll-Elgin 2026
April 2027 · Elgin, IL · 5K · 1 Mile
Marklund's inaugural Run, Walk & Roll in Elgin

Save
Anderson Humane's Walk4Animals & 5K Run
April 2027 · Batavia, IL · 5K Run · 1.5 Mile Walk

Save
Ravenswood Run
Sun 25 Apr 2027 · Chicago, IL · 5K
Chicagos beloved neighborhood 5K tradition since 1996

Save

← Illinois Oct Nov Dec Jan 2027 Feb 2027 Mar 2027 May 2027 Jun 2027 Jul 2027 Aug 2027 Sep 2027 Oct 2027

Your next race, seen from above.
Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.

Get RunCalendar

Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.