Classes and other important rider info
**Please Read**

Classes

Adult Trophy Classes:
Mad Dog: 80cc-200cc, air cooled, riders aged 15+.
Dirt Divas: Ladies aged 12 and over as of January 1, 2010, 200cc displacement limit.
Vintage Light 100-350cc
: Motorcycles 1983 and older.
Vintage Heavy 351cc+
: Motorcycles 1983 and older.
Vet 30-49: Any rider aged 30-49 on a flat track motorcycle.  No Quads or speedway bikes.
Super Senior 50+: Any rider aged 50+ on a flat track motorcycle.  No Quads or speedway bike
Adult Quad 0-400cc: Must have flat track type tires, no knobbies, no exceptions! 400cc limit.  Please note that the Duro HF245 ATV tire is not permitted, even though it is sold as a flat track tire.Minimum of 16 years old.
Adult Quad 401-450cc:
Must have flat track type tires, no knobbies, no exceptions! 450cc limit.  Please note that the Duro HF245 ATV tire is not permitted, even though it is sold as a flat track tire. Minimum of 16 years old.

Adult Money Classes:
250cc Motorcycle: Four strokes and two strokes up to 250cc, age twelve and older
Open 251cc+
: Two or four strokes over 250cc.  No speedway bikes, must be twelve or older to ride a 250, and fourteen years or older to ride a 450 or larger.
450cc+ Motorcycle: Four strokes 450cc and larger, and two strokes 251cc and larger. No speedway bikes, must be twelve or older to ride a 250, and fourteen years or older to ride a 450 or larger.
Adult Quad Open 251+:
Must have flat track type tires, no knobbies, no exceptions!  Please note that the Duro HF245 ATV tire is not permitted, even though it is sold as a flat track tire. Minimum of 16 years old.
Speedway: Speedway motorcycles, no brakes, rear suspension, or transmission running on methanol.  Minimum of 16 years old.

Youth Trophy Classes:
50cc Shaft:
Riders aged 4-8, on shaft drive motorcycles.  Stock tires are permitted. Suzuki JR50's are permitted in this class.  Stock oil injection must be used, and can only contain two stroke oil.
50cc Chain: Riders aged 4-8 on chain drive motorcycles. Stock tires are permitted.
65cc Youth: Two strokes, riders aged 7-11.
85cc Youth: Two strokes, riders aged 7-15.
80-160cc Youth: Four strokes only, riders aged 9-15.  Must be at least 12 years old to ride a CRF150.
80-200cc Youth: Two or four strokes, riders aged 7-15.  Must be at least 12 years old to ride a CRF150.
Youth Quad: Riders aged 6-15, 0-90cc two stroke, or 0-125cc four stroke.  (run together).

Payback Schedule for Money Classes

# RIDERS PURSE % PAYBACK
1st
2nd
3rd
4th
5th
6th
7th
8th
3
$45
60%
$30
$15
4
$65
70%
$40
$20
$10
5
$90
75%
$50
$30
$15
6
$105
75%
$55
$35
$20
7
$125
75%
$65
$40
$25
8
$145
75%
$75
$45
$30
9
$165
75%
$80
$50
$30
$15
10
$185
75%
$85
$50
$30
$20
11
$205
75%
$90
$55
$35
$20
12
$225
75%
$100
$60
$40
$25
13
$245
75%
$105
$65
$40
$25
$10
14
$265
76%
$110
$70
$45
$30
$10
15
$285
76%
$120
$75
$45
$30
$15
16
$305
76%
$125
$75
$50
$35
$20
17
$325
76%
$130
$80
$50
$35
$20
$10
18
$340
76%
$140
$85
$50
$35
$20
$10
19
$360
76%
$145
$90
$55
$40
$20
$10
20
$380
76%
$150

$95

$55
$40
$25
$15
21
$405
77%
$155
$100
$60
$40
$25
$15
$10
22
$430
78%
$165
$105
$65
$45
$25
$15
$10
23
$450
78%
$170
$110
$65
$45
$25
$15
$10
24
$465
78%
$180
$110
$70
$45
$30
$20
$10
25
$485
78%
$185
$115
$70
$50
$30
$20
$15
26
$515
79%
$195
$120
$75
$50
$30
$20
$15
$10
27
$530
79%
$200
$125
$75
$55
$30
$20
$15
$10
28
$570
81%
$215
$135
$80
$55
$35
$25
$15
$10
29
$580
81%
$220
$135
$80
$60
$35
$25
$15
$10
30
$610
81%
$225
$140
$85
$60
$40
$25
$20
$15