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Grattan Raceway is a challenging 2.0-mile road course in western Michigan hills, known for dramatic elevation changes and demanding corners including uphill and descending radius turns, a Monza bowl, and a notorious downhill reverse-camber turn. Sportbike Track Time hosts motorcycle track days with coaching.
Full Course
2 mi · 10 turns
Hilly layout, 40 ft avg width, 3,200 ft main straight
Fastest known lap times at this track. Data may be incomplete — help us improve it.
0 events
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