2026 5k Foot Pursuit – 5K
- October 25, 2026
- 9950 Bunkum Rd, Fairview Heights, IL 62208
Allerton Park Trail Run – Other Distance (5K-10K)
- October 25, 2026
- Robert Allerton Park and Retreat Center, Monticello, IL 61856
Allerton Park Trail Run – 2 Miles
- October 25, 2026
- Robert Allerton Park and Retreat Center, Monticello, IL 61856
Day of the Dead Family 5K Run/Walk – 5K
- October 25, 2026
- Wheeling Park District-Heritage Park, Wheeling, IL 60090
Fraidycat 5k,8k & Meow Mile – 8K
- October 25, 2026
- 3650 Grove Rd, Oswego, IL 60453
Fraidycat 5k,8k & Meow Mile – 5K
- October 25, 2026
- 3650 Grove Rd, Oswego, IL 60453
Fraidycat 5k,8k & Meow Mile – 1 Mile
- October 25, 2026
- 3650 Grove Rd, Oswego, IL 60453
Governors State University Jaguar 5K – 5K
- October 25, 2026
- 1 University Parkway, University Park, IL 60484
Governors State University Jaguar 5K – 1 Mile
- October 25, 2026
- 1 University Parkway, University Park, IL 60484
Haunted Halloween Half Marathon & 5km – Half-Marathon
- October 25, 2026
- 2611 N Cannon Drive, Chicago, IL 60614
Haunted Halloween Half Marathon & 5km – 5K
- October 25, 2026
- 2611 N Cannon Drive, Chicago, IL 60614
Haunted Oak 5K – 5K
- October 25, 2026
- Old Oak Country Club, Homer Glen, IL 60491
Hot Cider Hustle – Wheaton 8 Mile Run & 5K Run/Walk – 5K
- October 25, 2026
- 3S580 Naperville Rd, Wheaton, IL 60563
Howl-o-ween 5k – Dan Ryan Woods – 5K
- October 25, 2026
- 2231 W 83rd St, Chicago, IL 60620
Polish Independence Run – 10K
- October 25, 2026
- Grove 16 - Montrose Harbor, Chicago, IL 60613
Polish Independence Run – 5K
- October 25, 2026
- Grove 16 - Montrose Harbor, Chicago, IL 60613
Riverside Foundation Halloween Hustle 5K Walk or Run – 5K
- October 25, 2026
- Half Day Brewing Company - 200 Village Green S, Lincolnshire, IL 60069
Scout Scramble 5K Trail Run – 5K
- October 25, 2026
- 2600 Winterbottom Rd., Morris, IL 60450
Spooky Sprint – Greater Chicago – 1 Mile
- October 25, 2026
- Hammel Woods Route 59 Access, Shorewood, IL 60404
Spooky Sprint – Greater Chicago – 5K
- October 25, 2026
- Hammel Woods Route 59 Access, Shorewood, IL 60404