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  • Mount Assisi Center, Main Street, Lemont, Illinois, United States
    OpenStreetMap Google Maps
    Distance: 7.5 km
    Sun, Oct 18, 2026 at 9:00 AM

    Run With The Nuns 5K

    Lemont, Illinois

    Sunday, October 18, 2026

    5kRun via RaceRoster
  • 227 Heritage Quarries Dr., Lemont, Illinois, 60439, United States
    OpenStreetMap Google Maps
    Distance: 9.8 km
    Sat, Nov 14, 2026 at 7:15 AM

    Race and Course Information

    The Forge Trail Run Festival will embrace the adventure and challenge of late-fall, mid-west trail running with 10K, 20K, 30K, and 60K events. The races will be run on single/double-track trails in The Forge and adjoining trails, within the woods and on some gravel around the historic Lemont Quarries and I&M Canal.

    The courses will start and finish within the Forge. The courses wind through the single and double track trails within the woods and some gravel trails around the historic Lemont Quarries and I&M Canal throughout the Forge and adjoining trails.

    The 10K will be one lap, the 20K (Half Marathon) will be two laps and the 30K will be a three lap course. Our newest offering - the 60K - will be six laps. Total mileage may not be precise, but will be close to the promoted distances. This is a trail race and we want the natural terrain and flow to guide the course and distance.

    The gravel trails are flat. The single-track sections have variable terrain and surfaces ranging from dirt, grass, rocks, mud, more rocks, roots, mulch, stumps, critters, etc. A few sections are technical with several short but steep inclines and downhills. The defining character and primary challenge of the course is the variable surface. There are not any significant elevation changes. We would rate this course as moderately challenging for experienced trail runners and more difficult for runners with less experience on trail.

    See full details
    6.2 Miles13.1 Miles18.6 Miles37.2 MilesGravelRunTrail via RunSignup
  • 227 Heritage Quarries Dr., Lemont, Illinois, 60439, United States
    OpenStreetMap Google Maps
    Distance: 9.8 km
    Sat, Mar 13, 2027 at 9:00 AM

    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.

    See full details
    6.5 Miles13.1 MilesGravelMountain BikingRunTrail via RunSignup
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