location_city Monticello
location_on Illinois
flag United States
calendar_today 11 Apr, 2026 – 12 Apr, 2026
directions_run Running
language Official Website
RegisterTrail/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!
Apr 11, 2026
Distance — 5K
Type — Road running
20:30
Apr 11, 2026
Distance — 5K
Type — Road running
20:30
Apr 12, 2026
Distance — 10K
Type — Road running
08:00
Apr 12, 2026
Distance — 13.1 Miles
Type — Road running
08:00
Apr 12, 2026
Distance — 10K
Type — Road running
09:00
Apr 12, 2026
Distance — 13.1 Miles
Type — Road running
09:00
These values represent the 3-year monthly averages for April in Monticello.
Monticello is a city of 5,500 people (2019) in Central Illinois. For the visitor, it offers a railroad museum, an art-and-sculpture garden, and some beautiful historic homes.
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location_on Bloomington, Illinois, US
calendar_today Mar 21, 2026
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