Muddy Shamrock @ The Forge

The Muddy Shamrock @ The Forge is a trail running event held in Lemont, Illinois, featuring a Trail Half Marathon (approximately 13.1 miles) and a Trail Quarter Marathon (about 6.6 miles). The race takes place on wooded single and double-track mountain bike trails, gravel paths, and terrain that includes dirt, mud, roots, rocks, and some technical sections with short steep inclines and declines. The course offers scenic views around the historic Lemont Quarries and includes a common start/finish line with the half marathon requiring two laps.

Participants are encouraged to wear trail running shoes. The event also features chip timing, awards, a post-race party with food, beer, and music, and an aid station for hydration. Visit the organization's website for the most recent information.