Running Races in Monticello, Illinois 2026 | Browse All Races

There are 2 running races in Monticello, Illinois in 2026. The next is the Sage City Triathlon on August 8. Distances include trail runs.

Sage City Triathlon

Sat, Aug 8 · Monticello, IL Monticello

Triathlon 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 TeamMini Triathlon (100m swim, 5 mile bike, 1 mile run)

From $55 Open

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

Running Races in Monticello, Illinois — 2026

Sage City Triathlon

Allerton Park Trail Run

All Illinois Races