Allerton Park Trail Run
Monticello, United States • 25 Oct 2026
Event details
The Allerton Park Trail Run takes place on Sunday, October 25, 2026, at Robert Allerton Park and Retreat Center in Monticello, IL. The event is organized by Second Wind Running Club and includes the following options:
- 5.7 Mile Trail Run
- 2 Mile Nature Walk
- VIRTUAL 5.7 Mile Trail Run
A portion of the 5.7-mile course follows the Sangamon River. Runners may encounter hidden roots, ruts, sharp turns, and other trail obstacles. The 2-mile nature walk is non-competitive and will not receive awards.
Logistics and other information
A portion of race proceeds is donated to Allerton Park for trail maintenance and park enhancements; past uses include a railing at a dangerous spot, trail erosion control, recycle bins, a water bottle filling station, and a new cafe in the visitor center. Overall awards will be given for the 5.7-mile run (top male, top female, top male masters, top female masters). Age-group awards for the 5.7-mile run will be given to the top three men and women in these categories: 19 and under, 20-29, 30-39, 40-49, 50-59, 60-69, 70+. Door prizes and costume contest prizes are planned.
Virtual participants are not eligible for age-group awards; virtual results can be entered from 10/25/26 through 10/31/26. The deadline to register and guarantee a race shirt is Wednesday, October 14, 2026. Registration is available through the event page and ends on race day. No dogs are allowed on the trail run or the nature walk. Course maps are provided as downloadable PDFs. Volunteers are needed; roles vary and guidance or training will be provided. Visit the organization's website for the most recent information.