IRONBULL Red Granite Grinder
Race Details:

Ready for adventure? Our routes are designed to give riders the chance to explore the grit in the western portion of Marathon County on several gems that can only be accessed through this race. Riders will fully experience Central Wisconsin by riding through areas not usually open to bikes through “featured sections” in addition to passing ginseng fields, dairy farm pastures, barns, and farm fields in each the 50, 85 and 144 mile races. Bring friends & family for the weekend’s festivities including the recreational 12 mile ride free to all kids.

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Trail Conditions
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  • Freeze/thaw Cycle
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  • Ideal
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Trail Flow (Ridden Direction)
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  • > 96%
  • > 90%
  • > 80%
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Trail Ridden Direction
The intended direction a trail should be ridden.
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Trail Popularity ?
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Trailforks users anonymized public ridelogs from the past 6 months.
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Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
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