When is Allerton Races?

Allerton Races takes place on Apr 11, 2026. That's in 1 month.

Where is Allerton Races located?

Allerton Races is held in Monticello, Illinois, United States.

What distances are available at Allerton Races?

Allerton Races offers the following distances: 13.1M, 10K, 5K.

How do I register for Allerton Races?

You can register for Allerton Races through the official registration page.

What is the typical weather for Allerton Races?

Based on historical data, you can expect temperatures between 38°F and 62°F on race day. There's approximately a 15% chance of precipitation.

Allerton Races (5K-13.1M) - Apr 11, 2026 | Monticello, IL

Embark on an unforgettable journey through nature at the Allerton Races Half Marathon, returning to Monticello, IL, on April 12, 2026. This 13.1-mile event invites runners to experience the stunning and meticulously maintained trails of Robert Allerton Park, offering a unique blend of challenging terrain and breathtaking scenery. The course begins with an asphalt stretch across the Sangamon River before transitioning to the winding Schroth Trails. Runners will navigate moderately wooded areas above the river, explore the historic Lost Garden and a picturesque meadow, and be treated to a tour of the Sunken Garden, Centaur, and Sun Singer sculptures. The race culminates with an exciting dash between the iconic FuDogs to the finish line at the foot of a beautiful tower, promising a truly memorable finish.

The Allerton Races Half Marathon, celebrating its 14th year, is renowned for its challenging yet fun atmosphere and its dedication to philanthropy, with proceeds benefiting Make-A-Wish Illinois. Aid stations are strategically placed at miles 1, 3.5, 5, 7, 9, and 11, providing essential support, and porta potties are available in key locations along the route. Runners can anticipate typical race day conditions with highs around 62°F and lows around 39°F, and a 16% chance of precipitation, making for ideal running weather.

What truly sets this race apart is the immersive experience within Allerton Park, known for its magnificent natural beauty and impressive sculptures. The course is thoughtfully marked with blue pin flags, guiding participants through every turn. For those seeking an extra challenge, the Allerton Races Half Marathon is also a qualifying event for the Monticello Triple Crown. Prepare for a rewarding race day that combines athletic achievement with the serene beauty of one of Illinois's most cherished parks.