Muddy Shamrock @ The Forge

Muddy Shamrock @ The Forge

The Muddy Shamrock @ The Forge is a trail running event held on Saturday, March 14, 2026 in Lemont, IL. This early-season trail race takes place on wooded single & double-track trails with awesome scenery around the historic Lemont Quarries. Both races will traverse the single-track MTB trails within the woods and some gravel trails throughout the Forge and adjoining trail systems.

Events:

• Trail Half Marathon: Approximately 13.1 miles. Prices vary by registration tier.
• Trail Quarter Marathon: Approximately 6.6 miles. Prices vary by registration tier.

Registration: Prices increase after July 3, 2025. Registration is available online and on race day (if not sold out).

Packet Pick-Up:

• Wednesday, March 11, 4:30 PM - 6:30 PM: Naperville Running Company, 34 W. Jefferson Ave. Naperville, IL 60540
• Friday, March 13, 4:00 PM - 6:00 PM: Pollyanna Brewing, 431 Talcott Ave., Lemont, IL 60439
• Race Day: Saturday, March 14, 7:00 AM - 8:45 AM: The Forge: Lemont Quarries, 227 Heritage Quarries Dr., Lemont, IL 60439

Race Day Schedule:

• 7:00 AM: Parking Opens
• 7:00 AM - 8:30 AM: Race Day Packet Pick-Up & Registration
• 8:40 AM - 8:50 AM: Pre-Race Line-Up
• 8:50 AM: Course Talk / Briefing
• 8:55 AM: National Anthem
• 9:00 AM: Half & Quarter Marathon Race Start