Race Start End City State
DeClue Loops Trail Race Oct. 10, '26 Oct. 10, '26 Wildwood MO REGISTER
3rd Annual Downers Grove, IL Ostomy 5k Oct. 3, '26 Oct. 3, '26 Downers Grove IL REGISTER
Cheesy Pretzel 5K and 1 Mile Walk Oct. 4, '26 Oct. 4, '26 Bolingbrook IL REGISTER
Galena River Fall Half Marathon & 8k Oct. 31, '26 Oct. 31, '26 Galena IL REGISTER
Scarecrow Scramble Oct. 3, '26 Oct. 3, '26 Lisle IL REGISTER
LOZ Oktoberfest 5k & 1/2 k Oct. 17, '26 Oct. 17, '26 Osage Beach MO REGISTER
MIDNIGHT Rat Race - UNSANCTIONED Oct. 16, '26 Oct. 16, '26 Springfield MO REGISTER
Run Stephenson County Oct. 17, '26 Oct. 17, '26 Orangeville IL REGISTER
The Copper Penny Spirits Halloween Eve 5k Oct. 30, '26 Oct. 30, '26 Vandalia IL REGISTER
5K Your Ways Oct. 3, '26 Oct. 3, '26 Robinson IL REGISTER
Chicago Fall Classic Half Marathon, 10K & Hot Cider Hustle 5K Oct. 17, '26 Oct. 17, '26 Chicago IL REGISTER
Spooky Sprint - Greater Chicago Oct. 25, '26 Oct. 25, '26 Greater Chicago IL REGISTER
13th Annual Harvest Hustle 5K Oct. 10, '26 Oct. 10, '26 Niles IL REGISTER
Autumn Leaf Run Oct. 3, '26 Oct. 3, '26 Freeport IL REGISTER
Haunted Wine Run 5k at Busse Woods Oct. 3, '26 Oct. 3, '26 Elk Grove Village IL REGISTER
Run The Woods Oct. 3, '26 Oct. 3, '26 Hudson IL REGISTER
Operation Jake Oct. 10, '26 Oct. 10, '26 Herrin IL REGISTER
Illinois State University Homecoming Town and Gown 5K Oct. 24, '26 Oct. 24, '26 Normal IL REGISTER
CPKC Spin for a Veteran Oct. 3, '26 Oct. 3, '26 Kansas City MO REGISTER
I-35 Challenge Oct. 17, '26 Oct. 18, '26 Kansas City MO REGISTER
Spooky Sprint- St. Louis Oct. 24, '26 Oct. 24, '26 St. Louis MO REGISTER
Race of the Redeemed- Distinguished Oct. 10, '26 Oct. 10, '26 Fair Grove MO REGISTER
Sauk Valley Apple Cider Run Oct. 10, '26 Oct. 10, '26 Rock Falls IL REGISTER
Rotary Run Charity Classic Oct. 4, '26 Oct. 4, '26 Hinsdale IL REGISTER
Monster Dash 5k Run/Walk Oct. 31, '26 Oct. 31, '26 Patterson MO REGISTER
Christina Bohn Memorial 5K for PMDD Awareness Oct. 17, '26 Oct. 17, '26 Columbia MO REGISTER
Lake Bluff PTO Pumpkin Chase Oct. 24, '26 Oct. 24, '26 Lake Bluff IL REGISTER
Team O’Reilly 5K Run/Walk Oct. 17, '26 Oct. 17, '26 Springfield MO REGISTER
Chicago - HFTC 5k Oct. 4, '26 Oct. 4, '26 Chicago IL REGISTER
El Trote De Las Calacas Oct. 10, '26 Oct. 10, '26 Elgin IL REGISTER