Quick Class Guide
What Classes Can I Enter?
π Minis / Small-Bore Bikes
Honda Grom, Kawasaki Z125, SSR125, YCF150, Honda XR100, Yamaha TTR125/150
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Eligible Classes: Mini GP (asphalt-only) β’ Mini (with dirt) β’ Asphalt Only (Amateur) β’ JR (with dirt, riders under 16 only)
π 250/400 Supermotos
(Honda CRF250, Yamaha YZ250F, KTM Duke 390, Yamaha MT/FZ-03, Suzuki DRZ-400, Yamaha WR250X/WR250F, Honda XR400 β with 17β wheels + brakes)
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Eligible Classes: 250/400 β’ 450 β’ Open β’ Intermediate β’ Novice/Beginner β’ Vet 30+ β’ Vet 45+ β’ Asphalt Only (Expert/Amateur)
β οΈ Two-Stroke 250/125 MX (with 17β wheels or stock wheels): Same class eligibility as above β but if youβre not in Asphalt Only, youβll be expected to send it off the jumps!
π 450 Supermotos
(Husqvarna SM450RR, Aprilia SXV450, KTM 450SMR, Honda CRF450, Yamaha YZ450F, Kawasaki KX450F, Beta 450 Motard β with 17β wheels + upgraded brakes)
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Eligible Classes: 450 β’ Open β’ Intermediate β’ Novice/Beginner β’ Vet 30+ β’ Vet 45+ β’ Asphalt Only (Expert/Amateur)
π Open Supermotos
(KTM 560 SMR, KTM 525 SMR, Beta 525/520 Motard, Aprilia SXV 550, Husqvarna SM610S, KTM 640 LC4, KTM 690 SMC, KTM Duke II)
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Eligible Classes: Open β’ Intermediate β’ Novice/Beginner β’ Vet 30+ β’ Vet 45+ β’ Asphalt Only (Expert/Amateur)
π Heavyweight Supermotos & Adventure Bikes
(Ducati Hypermotard, Aprilia Dorsoduro, MV Agusta Rivale, KTM 950 Adventure, Honda Africa Twin)
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Eligible Classes: Open β’ Intermediate β’ Novice/Beginner (skill-based) β’ Vet 30+ β’ Vet 45+ (age-based) β’ Asphalt Only (Expert/Amateur)
What’s Not Allowed?
π« No Sportbike-Style Motorcycles
No sportbike-style motorcycles (fairings and clip-ons) are permitted, except within the minibike and scooter classes. This rule is required by one of our venues, which means bikes like the Ninja 250 are not eligible.
π« No More Than Two Cylinders
Engines with more than two cylinders are not permitted in any class.
π« Engine Size Restriction (Twins)
Twin-cylinder engines above 580cc are not permitted, except in designated Heavyweight motorcycle classes.
Asphalt-Only Classes
- Mini GP (Asphalt-Only)
Small displacement asphalt-only class for youth and adults on mini bikes. Focuses on track time and skill building.
- Asphalt-Only Intermediate
For riders progressing beyond amateur, with more confidence and pace on asphalt-only layouts.
- Asphalt-Only Amateur
Entry-level asphalt-only riders. Great for those starting out with no dirt section experience.
- Asphalt-Only Expert
Highest-level asphalt-only competition. For advanced riders comfortable with fast pace and tight competition.
Supermoto Core Classes
- Womenβs Supermoto
Female-only category to encourage participation and fair competition.
- Intermediate Supermoto
Step up from Novice. Riders with developing racecraft and moderate experience on mixed dirt/asphalt layouts.
- Vet 45 Supermoto
Riders age 45+ with full-size supermoto bikes.
- Beginner (Novice) Supermoto
First-timers and newcomers. Emphasis on safe learning, not aggressive competition.
Displacement-Based Classes
- Mini Supermoto
Small-bore (pit bikes, 85cc two-stroke, 150cc four-stroke) on full supermoto layouts.
- 450 Supermoto
The premier displacement class β fast, competitive, and the standard in supermoto racing.
- 250/400 Supermoto
Mid-size machines. Perfect for lightweight, nimble racing without the 450-class intensity.
- JR Supermoto
Youth-focused on mid-size bikes, bridging the gap from minis to full-size.
Want to Join The Club?
Cascadia Supermoto is an amateur racing club built around safe, competitive, and accessible supermoto events. Membership gives you access to our race series, practice opportunities, and a growing community of riders in the Pacific Northwest.