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Muddy Shamrock

MAR

13

2027

Trail races at The Forge in Lemont with wooded single and double track trails, mud, roots, and gravel loops.

Sat 13 Mar 2027

Lemont, Illinois

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13 miles 7 miles

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Muddy Shamrock @ The Forge

Muddy Shamrock is the sixth annual trail race held at The Forge in Lemont, Illinois, on 03/13/2027. The event is now named MUDDY SHAMROCK and takes place around the historic Lemont Quarries at 227 Heritage Quarries Dr., Lemont, IL 60439.

The courses run on wooded single and double track trails and include sections of gravel. Trail surfaces and features listed include woods, dirt, mud, and roots. Both races use the single track mountain bike trails within the woods and some gravel trails that connect the Forge and adjoining trail systems. The Trail Half Marathon consists of two loops and is described as mostly technical singletrack.

Distances

13.1 Miles two loops, mostly technical singletrack
6.5 Miles single track and gravel sections

Registration information from the event listing shows registration opened on 03/14/2026 and closed on 05/03/2026. Listed entry fees were $55.00 for the Trail Half Marathon and $40.00 for the Trail Quarter Marathon. Visit the organization's website for the most recent information.