Great Lakes
Vintage MX Series
Scheduled Dates
| May 1 | AHRMA Great Lakes Regional |
| May 21 | AHRMA Vintage National |
| May 22 | AHRMA Post Vintage National |
| May 30 | AHRMA Great Lakes Regional |
| June 19 | AHRMA Great Lakes Regional |
| July 17 | AHRMA Great Lakes Regional |
| Aug. 28 | AHRMA Great Lakes Regional |
| Sept 18 | AHRMA Great Lakes Regional |
| Oct 9 | AHRMA Great Lakes Regional |
AHRMA Classes
AHRMA Classes
(Must be AHRMA Member)
| Vintage Motocross (1974 or older) |
Post Vintage Motocross (1975 to 1983) |
| Premier LW, HW, OT | Historic 125cc, 250cc, 500cc, 4-Stroke |
| Classic 125cc, 250cc, 500cc | Grand Prix 125cc, 250cc, 500cc |
| Sportsman 125cc, 250cc, 500cc, OT | Ultima 125cc, 250cc, 500cc |
| Open Age +40, +50, +60 | Women |
Michigan D-14 Support Classes (Must Be D-14 Member)
| Vintage (1974 or Older) | Innovation (1989 or Older) |
| Vintage Youth Classes (Info to Follow) | Evolution (1981 or Older) |
| Schoolboy Youth (125 cc 10 yr. & older Bike, Rider 12-15 | |
**Note No Age Limits for D-14 Classes
(except Schoolboy)**