Running Races in Monticello, Illinois 2026 | Browse All Races

There are 3 running races in Monticello, Illinois in 2026. The next is the Allerton Park Trail Run on October 25. Distances include 10K races, trail runs.

Allerton Park Trail Run

Sun, Oct 25 · Monticello, IL Monticello

Trail 2 Mile Nature Walk5.7 Mile Trail RunVIRTUAL 5.7 Mile Trail Run

From $30 Open

Kirby Derby

Sat, May 1 · Monticello, IL Monticello

Road 5K Run/Walk5K Run/Walk10K Run +1

From $25 Closed

Sage City Triathlon

Sat, Aug 7 · Monticello, IL Monticello

Triathlon Mini Triathlon (100m swim, 5 mile bike, 1 mile run)Sprint Triathlon (300m swim, 13.5 mile bike, 3.1 mile run)Sprint Triathlon (300m swim, 13.5 mile bike, 3.1 mile run) Relay Team +3

From $55 Closed

Running Races in Monticello, Illinois — 2026

Allerton Park Trail Run

Kirby Derby

Sage City Triathlon

All Illinois Races