1 mountain biking event in Lemont, Illinois

From big races to Saturday morning group runs—find mountain biking events and connect with the local endurance sports community.

• Muddy Shamrock @ The Forge [runsignup.com] [Register at runsignup.com]
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  Sat, Mar 13, 2027 at 9:00 AM

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  2025 Muddy Shamrock Results

  Woods, dirt, mud, roots, and maybe some other adventurous trail stuff will be experienced at the 5th annual Muddy Shamrock Trail Races @ The Forge. And now that we've...

  2025 Muddy Shamrock Results

  Woods, dirt, mud, roots, and maybe some other adventurous trail stuff will be experienced at the 5th annual Muddy Shamrock Trail Races @ The Forge. And now that we've earned the 4th leaf in our clover, the race is now named the MUDDY SHAMROCK!

  This early-season trail race will be run 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.

  6.5 Miles 13.1 Miles Gravel Mountain Biking Run Trail

  227 Heritage Quarries Dr., Lemont, Illinois, 60439, United States
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