Allerton Races
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Allerton Races - Monticello, IL
Allerton Races takes place Saturday April 11 to Sunday April 12, 2026, in Monticello, Illinois. The event location is 515 Old Timber Rd, Monticello, IL 61856. The schedule includes both road and trail formats: a Trail/Road Half Marathon, a 10K run/walk, and a Trail-Glo 5K run/walk held as a nighttime event. Virtual options are offered for the Half Marathon, 10K, and 5K. The event benefits Robert Allerton Park.
Events and fees
- Half Marathon - in-person and virtual; price: $38
- 10K - in-person and virtual; price: $33 (in-person) / $30 (virtual)
- Trail-Glo 5K - in-person nighttime; price: $25 (in-person) / $25 (virtual)
The race has an ongoing fundraising partnership with Make-A-Wish Illinois. For the 14th consecutive year the event raises funds for Make-A-Wish Illinois; a donation of $10 or more qualifies for a special logo on the sleeve of a race T-shirt when a race T is registered. Visit the organization's website for the most recent information.
