FIND YOUR
GATE.
Choose a race weekend, then search by bike, age, displacement or skill level. Open any class for its complete 2026 eligibility description.
in each A Main
for champions
SX tracks
for every class
2026 published class guide
32CLASSES SHOWN32 classes shownFIND YOUR GATE.
15WEEKEND 1 · 85ccSuper Mini 1 (12-15)
BIG-BIKE TRACK+
Super Mini 1 (12-15)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 79-112cc 2S / 150cc 4S, ages 12-15. Maximum 19-inch front wheel and 16-inch rear wheel.
16WEEKEND 1 · 85ccSuper Mini 2 (13-16)
BIG-BIKE TRACK+
Super Mini 2 (13-16)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 79-112cc 2S / 150cc 4S, ages 13-16. Maximum 19-inch front wheel and 16-inch rear wheel.
18WEEKEND 1 · SchoolboySchoolboy 1 (12-17) B/C
BIG-BIKE TRACK+
Schoolboy 1 (12-17) B/C
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 86-125cc 2S / 75-150cc 4S, ages 12-17. Minimum 19-inch front wheel and 16-inch rear wheel. No A riders. Minimum age for 125cc, 150cc and Supermini is 12.
19WEEKEND 1 · SchoolboySchoolboy 2 (12-17) B/C
BIG-BIKE TRACK+
Schoolboy 2 (12-17) B/C
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122-150cc 2S / 126-250cc 4S, ages 12-17. Minimum wheelbase 53 inches. No minicycle or Supermini. Minimum age for 250cc is 14. No A riders.
20WEEKEND 1 · Big Bike125 C
BIG-BIKE TRACK+
125 C
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 125cc. No Mini or Supermini motorcycles.
21WEEKEND 1 · Big Bike125 (12-17) B/C
BIG-BIKE TRACK+
125 (12-17) B/C
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 125cc, ages 12-17. No Mini or Supermini motorcycles.
22WEEKEND 1 · AdultCollege (18-24) A/B/C
BIG-BIKE TRACK+
College (18-24) A/B/C
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122cc–Open, ages 18-24.
24WEEKEND 1 · Big Bike250 C (12-17)
BIG-BIKE TRACK+
250 C (12-17)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122-250cc C/Novice, ages 12-17. Minimum age for 250cc is 14.
25WEEKEND 1 · Big Bike250 C
BIG-BIKE TRACK+
250 C
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122-250cc C/Novice. Minimum age for 250cc is 14.
26WEEKEND 1 · Big Bike250 B
BIG-BIKE TRACK+
250 B
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122-250cc B/Intermediate. Minimum age for 250cc is 14.
27WEEKEND 1 · Pro Sport250 Pro Sport
BIG-BIKE TRACK+
250 Pro Sport
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122-250cc A/Pro.
28WEEKEND 1 · Big BikeOpen C
BIG-BIKE TRACK+
Open C
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122cc–Open C/Novice. Minimum age for 250cc is 14 and minimum age for 450cc is 16.
29WEEKEND 1 · Big BikeOpen B
BIG-BIKE TRACK+
Open B
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122cc–Open. Minimum age for 250cc is 14 and minimum age for 450cc is 16.
30WEEKEND 1 · Pro SportOpen Pro Sport
BIG-BIKE TRACK+
Open Pro Sport
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122cc–Open A.
31WEEKEND 1 · AdultJunior (25+)
BIG-BIKE TRACK+
Junior (25+)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122cc–Open, ages 25 and up. Open skill level.
32WEEKEND 1 · AdultVet (30+)
BIG-BIKE TRACK+
Vet (30+)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 122cc–Open, ages 30 and up. Open skill level.
1WEEKEND 2 · 50cc51cc Micro 1 (4-6) Shaft Drive Ltd
YOUTH TRACK+
51cc Micro 1 (4-6) Shaft Drive Ltd
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Single-speed automatic 0-51cc 2-stroke, oil injected. Maximum adjusted wheelbase 36 inches, wheel size 10 inches, seat height 22 inches and 12mm round intake. Yamaha PW50.
SUPPLEMENTAL: 2026 supplemental: KTM SX-E2, GASGAS MC-E2 and Husqvarna EE2 are eligible.
2WEEKEND 2 · 50cc51cc Micro (4-6) Special Limited
YOUTH TRACK+
51cc Micro (4-6) Special Limited
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Single or multi-speed automatic 0-51cc 2S or 4S, ages 4-6. Maximum adjusted wheelbase 38 inches, wheel size 10 inches, seat height 22 inches and 13mm round intake.
SUPPLEMENTAL: Eligible models: Honda XR50/CRF50, KTM Mini Adventure/50 SX Mini, Suzuki JR50, Kawasaki KDX50, Yamaha TTR50/PW50, Cobra P3/PW3/GI, KTM SX-E2, GASGAS MC-E2 and Husqvarna EE2.
3WEEKEND 2 · 50ccMicro E (4-8) Limited
YOUTH TRACK+
Micro E (4-8) Limited
ELIGIBILITY
Always confirm final eligibility with event staff before registration.0-51cc battery, 1.5kWh. Maximum wheelbase 41 inches, wheel size 12 inches and seat height 28 inches. Retrofitted 12-inch wheels permitted. OEM parts required.
4WEEKEND 2 · 50cc51cc Micro 2 (4-6) Limited
YOUTH TRACK+
51cc Micro 2 (4-6) Limited
ELIGIBILITY
Always confirm final eligibility with event staff before registration.0-51cc 2S, ages 4-6. Single-speed automatic. Maximum adjusted wheelbase 36 inches, wheel size 10 inches, seat height 24 inches and 14mm round intake.
5WEEKEND 2 · 50cc51cc Micro (5-7) Limited
YOUTH TRACK+
51cc Micro (5-7) Limited
ELIGIBILITY
Always confirm final eligibility with event staff before registration.0-51cc 2S, ages 5-7. Single-speed automatic. Maximum adjusted wheelbase 41 inches, wheel size 12 inches and 19mm round intake. Retrofitted 12-inch wheels permitted with OEM parts.
6WEEKEND 2 · 50cc51cc Micro 3 (7-8) Limited
YOUTH TRACK+
51cc Micro 3 (7-8) Limited
ELIGIBILITY
Always confirm final eligibility with event staff before registration.0-51cc 2S, ages 7-8. Single-speed automatic. Maximum adjusted wheelbase 41 inches, wheel size 12 inches and 19mm round intake. Retrofitted 12-inch wheels permitted with OEM parts.
7WEEKEND 2 · 50cc51cc Micro (5-8)
YOUTH TRACK+
51cc Micro (5-8)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 0-61cc 2S, ages 5-8. Single-speed automatic. Maximum wheel size 12 inches. E3 and E5 bikes are also eligible.
8WEEKEND 2 · 65cc65cc (7-9)
YOUTH TRACK+
65cc (7-9)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 59-65cc 2S, ages 7-9. 14-inch front wheel, 12-inch rear wheel and 45.5-inch wheelbase.
9WEEKEND 2 · 65cc65cc (10-11)
YOUTH TRACK+
65cc (10-11)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 59-65cc 2S, ages 10-11. 14-inch front wheel, 12-inch rear wheel and 45.5-inch wheelbase.
10WEEKEND 2 · 65cc65cc (7-11)
YOUTH TRACK+
65cc (7-11)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 59-65cc 2S, ages 7-11. 14-inch front wheel, 12-inch rear wheel and 45.5-inch wheelbase.
11WEEKEND 2 · 85cc85cc (9-12)
YOUTH TRACK+
85cc (9-12)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 79-85cc 2S, ages 9-12. Maximum 17-inch front wheel and 14-inch rear wheel.
12WEEKEND 2 · 85ccMini Sr 1 (12-14)
YOUTH TRACK+
Mini Sr 1 (12-14)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 79-85cc 2S / 150cc 4S, ages 12-14. Maximum 19-inch front wheel and 16-inch rear wheel. Rider must be 12 to ride a Big Wheel.
13WEEKEND 2 · 85ccMini Sr 2 (13-15)
YOUTH TRACK+
Mini Sr 2 (13-15)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 79-85cc 2S / 150cc 4S, ages 13-15. Maximum 19-inch front wheel and 16-inch rear wheel.
14WEEKEND 2 · 85ccMini (9-13)
YOUTH TRACK+
Mini (9-13)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 79-85cc 2S / 150cc 4S, ages 9-13. Maximum 19-inch front wheel and 16-inch rear wheel. Rider must be 12 for a Big Wheel or 150.
17WEEKEND 2 · Women & GirlsGirls (9-14)
YOUTH TRACK+
Girls (9-14)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 79-112cc 2S / 75-150cc 4S. Maximum 19-inch front wheel and 16-inch rear wheel. Rider must be 12 for Big Wheel, Supermini or 150.
23WEEKEND 2 · Women & GirlsWomen (12+)
YOUTH TRACK+
Women (12+)
ELIGIBILITY
Always confirm final eligibility with event staff before registration.Modified 99-250cc 2S / 250cc 4S, ages 12 and up. Minimum 19-inch front wheel and 16-inch rear wheel. Minimum age for 250cc is 14; minimum age for 125cc, 150cc and Supermini is 12.
Official rules & regulations
View AMA rules ↗KNOW BEFORE YOU LINE UP.
Class descriptions follow the published 2026 AM Open guide. Review current AMA competition rules and confirm final eligibility with event staff before registration.
