| Mapleshade MX 2011 Classes | |||
| Bike Classes | Youth Bike Classes | ||
| 250A | 122-250cc | Class 1 Jr PeeWee (4-6) | 0-51cc Stock |
| 250B | 122-250cc | Class 2 Sr PeeWee (7-8) | 0-51cc Stock |
| 250C | 122-250cc | Class 3 Injection Stk (4-8) | 0-51cc Stock |
| Open A | 122-Open cc | Class 4 Multi Speed (4-8) | 0-51cc Stock |
| Open B | 122-Open cc | 50cc Open (4-8) | 0-51cc Stock |
| Open C | 122-Open cc | 65cc B (7-11) | 59-65cc 2 str |
| Beginner D (No Points) | 122-Open cc | 65cc C (7-11) | 59-65cc 2 str |
| Collegeboy (14-24) | 122-Open cc | 85cc B (9-11) | 79-85cc 2 str |
| Plus 25 | 122-Open cc | 85cc C (9-11) | 79-85cc 2 str |
| Vet Plus 30A | 122-Open cc | 85cc/150cc B (12-15) | 79-85cc 2 str/ |
| Vet Plus 30B | 122-Open cc | (small wheel) | 75-150 4 str |
| Vet Plus 30C | 122-Open cc | 85cc/150cc C (12-15) | 79-85cc 2 str/ |
| Sr. Plus 40A | 122-Open cc | (small wheel) | 75-150 4 str |
| Sr. Plus 40 | 122-Open cc | Jr. Mini (9-13) (small wheel) | 79-85cc 2 str |
| Sr. Plus 45 | 122-Open cc | Super Mini (12-16) | 79-112cc 2 str/ |
| Women's Bike (12+) | 99-250cc | Max. front wheel 19" | 75-150cc 4 str |
| Bomber | Bikes 10 yrs & older | Max. rear wheel 16" | |
| 2 Stroke | 122-Open cc | Max. wheelbase 52" | |
| 4 Stroke | 250-Open cc | Schoolboy 1 (12-16) | 85-122cc 2 str/ |
| Min. front wheel 19" | 75-150cc 4 str | ||
| ATV Classes | Min. rear wheel 16" | ||
| ATV A (16+) | 201-Open cc | Schoolboy 2 (14-16) | 122-250cc |
| ATV B (16+) | 201-Open cc | No Minicycles or Superminis | |
| ATV C (16+) | 201-Open cc | Min. wheelbase 53" | |
| ATV D (No Points) (16+) | 201-Open cc | Girls (9-15) | 79-105cc 2 str |
| Women's ATV (16+) | 91-Open cc | Max. front wheel 19" | |
| ATV Collegeboy 16-29 | 91-Open cc | Max. rear wheel 16" | |
| ATV Plus 30 | 201-Open cc | Max. wheelbase 52" | |
| Youth ATV Classes | |||
| ATV 50 Limited Stock (4-6) | 0-50cc | ||
| ATV 70 CVT/Auto (6-11) | 0-70cc | ||
| ATV 90 CVT/Auto (8-15) | 71-90cc 2 str/ | ||
| 71-125cc 4 str | |||
| ATV Schoolboy (13-15) | 91-200cc 2 str/ | ||
| 91-300cc 4 str | |||