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Muddy Shamrock @ The Forge

Lemont, United States • 14 Mar 2026

Event Details

The Muddy Shamrock @ The Forge is a trail running event taking place on Saturday, March 14, 2026, in Lemont, Illinois. The event offers two race distances: a Trail Half Marathon and a Trail Quarter Marathon.

Course and Terrain

The course uses wooded single-track and double-track trails, along with some gravel paths, around the historic Lemont Quarries. It includes sections of mountain biking (MTB) trails. The terrain is variable, featuring dirt, grass, rocks, mud, and roots, with some technical sections and short, steep inclines. The half marathon is about two laps and the quarter marathon is about one lap on a shared course. The exact distances are approximately 13.1 miles for the half and 6.6 miles for the quarter marathon.

Amenities and Logistics

The event includes chip timing, live splits, and a post-race party with food and beverages. Awards are given for overall winners, age groups, masters, and mid-pack finishers. Packet pick-up is available on the two days before the race in Naperville and Lemont, and on race day at The Forge: Lemont Quarries. Parking is available on-site. Visit the organization's website for the most recent information.

United States Illinois Lemont

Race information

Website
13 mi
Trail Half Marathon
7 mi
Trail Quarter Marathon
Visit the organization's website for the most recent information.
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