Allerton Races
Monticello, IL • April 11, 2026
Trail/Road Half Marathon, 10K Run/Walk, or nighttime Trail-Glo 5K Run/Walk, benefitting Robert Allerton Park!Trail-Glo 5K start time is 8:30PM 11 April.Half Marathon and 10K start time is 9:00AM 12 April. More race info at our website! Help us help Make-A-Wish families! For our 14th consecutive year, Allerton Races is fundraising for Make-A-Wish Illinois. Be a "Wish Warrior" by donating $10 or more, and you'll get a special logo on the sleeve of your race T! (If you register with a race T) Donate to Make-A-Wish Illinois by clicking HERE!
More Races in Monticello, IL
Trail Races in Illinois
Abe Lincoln Trail Trek - 5K / 10K
April 4, 2026
Sherman, IL
Chauncey's 4 at The Farm
April 11, 2026
Warrenville, IL
Ondessonk Trail Races
April 11, 2026
Ozark, IL
Earth Day 50k/15 Mile/5 Mile
April 18, 2026
Crystal Lake, IL
Loud Thunder 50
April 18, 2026
Illinois City, IL
Galena Kiwanis River Trail Run
April 18, 2026
Galena, IL
PRC Pinwheel 5K Run and Fun Walk at Donovan Park (Peoria, IL)
April 18, 2026
Peoria, IL
Childish Nonsense
April 25, 2026
Palatine, IL
Saw Wee Kee - Spring Trail Run
April 25, 2026
Yorkville, IL
OUTLAST CHICAGO
May 2, 2026
Palatine, IL
Spring Stampede 5K/10K
May 3, 2026
Hanna City, IL
F^3 Cap Sauers Trail Marathon & 10 Mile
May 9, 2026
Palos Hills, IL
Run for Brain Health
May 16, 2026
Chadwick, IL
The Trail Trot Cross Country 5K and Kid's Fun Run
May 30, 2026
Robinson, IL
Red Cedar Trail Races at Giant City State Park
May 30, 2026
Makanda, IL
Lincoln Memorial Garden Trail Race 8K
May 30, 2026
Springfield, IL
Saw Wee Kee - Summer Trail Run
June 6, 2026
Yorkville, IL
Kennekuk Road Runners - Lake Mingo
June 6, 2026
Danville, IL
Hickory Knolls Trail Run
June 7, 2026
St. Charles, IL
Pinetum Mind Games Endurance Event
July 17, 2026
Dixon, IL
Madder Than A Wet Hen
July 25, 2026
Charleston, IL
Tom Short 5K
August 1, 2026
Shelbyville, IL
Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run
August 22, 2026
Hudson, IL
Summer Trail Classic
August 23, 2026
Hoffman Estates, IL
Tails on the Trail 5K & 1-Mile Wag & Walk
August 29, 2026
Matteson, IL