Allerton Races

Sun, Apr 12, 2026, 9:00 AM CDT

Location: Monticello, IL; 515 Old Timber Rd, 61856
Type: TRAIL

Official registration Past results (if available)

At a glance

Run a trail/road half or 10K, or a nighttime 5K, all while supporting Make-A-Wish Illinois and Robert Allerton Park.

For a Cause

Who it's for

Beginner Friendly
For a Cause

Great for: beginners, cause-driven runners

The Allerton Races offer a unique blend of trail and road running in Monticello, IL. Choose from a Half Marathon, 10K Run/Walk, or experience the special nighttime Trail-Glo 5K Run/Walk. This event proudly supports Robert Allerton Park and, for its 14th consecutive year, raises funds for Make-A-Wish Illinois, helping to grant wishes for families. Runners can become a 'Wish Warrior' with a donation, receiving a special logo on their race T-shirt.

What to expect

Enjoy a mix of trail and road surfaces across the Half Marathon and 10K distances.
Experience a unique evening adventure with the Trail-Glo 5K Run/Walk.
Participate in a race dedicated to supporting Make-A-Wish Illinois and Robert Allerton Park.

Standout details

Nighttime Trail-Glo 5K Run/Walk
Benefitting Make-A-Wish Illinois
Support Robert Allerton Park
Become a 'Wish Warrior' with donation perk

Auto-drafted from the public listing — confirm details on the official event page before signing up.

Distances & registration

6 options

Registration for all distances is through the official signup link above.

5K
Sat, Apr 11, 8:30 PM CDT · From $27.50
Opens Oct 26, 2025, 7:29 PM CDT · Closes Apr 11, 2026, 4:30 PM CDT
5K
Sat, Apr 11, 8:30 PM CDT · From $27.50
Opens Oct 26, 2025, 5:49 PM CDT · Closes Apr 11, 2026, 7:59 PM CDT
10K
Sun, Apr 12, 9:00 AM CDT · From $35.98
Opens Oct 26, 2025, 7:29 PM CDT · Closes Apr 12, 2026, 5:00 AM CDT

+ 3 more options

10K
Sun, Apr 12, 8:00 AM CDT · From $32.80
Opens Oct 26, 2025, 5:49 PM CDT · Closes Apr 11, 2026, 4:00 AM CDT
13.1 Miles
Sun, Apr 12, 9:00 AM CDT · From $41.28
Opens Oct 26, 2025, 7:29 PM CDT · Closes Apr 12, 2026, 5:00 AM CDT
13.1 Miles
Sun, Apr 12, 8:00 AM CDT · From $35.98
Opens Oct 26, 2025, 5:49 PM CDT · Closes Apr 11, 2026, 4:03 AM CDT

Vibe Check

Steady Effort

longer distance

Based on terrain, weather, and distance data.

The course

Flat

From the organizer

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 !

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