Grassroots
Midwest Modified by Martiniworks
Organized by Martiniworks
Saturday, August 29, 2026
USAir Motorsports Raceway, Shawano, Wisconsin, USA
Drive or WatchTires: Unlimitedall LevelTBA
Combined drift day and automotive showcase at USAir Motorsports Raceway, presented by Martiniworks, 7:30am to 5:00pm. Drivers get a full day of track time on the intermediate standard layout with an advanced layout possible after lunch, while a judged car show with trophy categories, music and food runs alongside. Intended as the first of an annual Wisconsin tradition.
Entries for this event are handled directly by the organizer — use their official event page below to sign up.
Plan Your Trip
Find accommodation near USAir Motorsports Raceway for the event
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