AMA Sports
Winter National Short Track Series

Classes

1 - 50cc PW Shaft
2 - 50cc Stock (4-8)
3 - 50cc Stock Jr (4-6)
*4 - 50cc Stock Sr (7-8)
5 - 52-65cc 2-stroke DTX (7-11)
*6 - 65cc (7-11) 52-65cc 2-stroke & 52-90cc 4-stroke
7 - 66-85cc 2-stroke DTX (9-13)
*8 - 85cc (7-11) 66-85cc 2-stroke & 75-125cc 4-stroke
9 - 85cc (12-15) 66-85cc 2-stroke & 75-125cc 4-stroke
10 – 86cc - 125cc
*11- 201-250cc 4-stroke
12 - 126-250cc DTX
13 - 201-250cc 2-Stroke
14 – 251-500cc DTX
*15 - 251-450cc 4-stroke
16 - 451-505cc
17 – 18+ Open Twins and Singles
*18 - Veteran 30+ Singles
19 - Senior 40+
20 - Super Senior 50+
21 - Speedway 500cc single cylinder
22 - 18+ Mad Dog XR 100 - max 150cc
23 – Vintage Light – Up to 400cc
24 – Vintage Heavy – 401 – 750cc
25 – Open Pro (ONLY RUNNING AT OCALA, ROUND 3)
26 – Pro Sport, (No expert or GNC) (ONLY AT VOLUSIA, ROUND 5)

ATVs (ONLY at Rounds 3, 4, 5)
27 - ATV 25+
28 - ATV Open
29 - ATV 265/450
91cc-265cc 2-stroke/91cc-450cc 4-stroke
30 - ATV Production

* Premier Classes