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Muddy Shamrock @ The Forge

Lemont, United States • 14 Mar 2026

Muddy Shamrock @ The Forge is a trail running event held at The Forge: Lemont Quarries in Lemont, Illinois. The race offers two distances: Trail Half Marathon (about 13.1 miles, run as two laps) and Trail Quarter Marathon (about 6.6 miles, one lap) on wooded single- and double-track trails around the historic quarries. Runners navigate dirt, mud, roots, rocks, and occasional technical sections along gravel and forest trails, with a common start/finish line and scenic quarry scenery. Entry includes chip-timed results with live splits, awards, a Muddy Shamrock T‑Shirt, and a post-race party with food, beer, and music. Packet pickup occurs in Naperville and Lemont prior to race day. 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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