Updated 4/15/2024
| ADVANCEMENT PERCENTILE | ||||
|---|---|---|---|---|
| Bike Long Course | Number/Letter | AP % Start Range | AP % End Range | Description |
| XC-P | 11-99A | 0.00% | 100.00% | Pro level payback class. Pros from other series. |
| Open A | 100-199A | 90.00% | 100.00% | Skill based. Open age and displacement. Fastest non-paid riders. |
| Open Intermediate | 500-599A | 80.00% | 90.00% | Skill based. Intermediate speed riders. |
| Amateur | 100-199B | 72.00% | 80.00% | Skill based. Open age and displacement. |
| Novice | 200-299B | 64.00% | 72.00% | Skill based. Open age and displacement. |
| Sportsman | 700-799B | 56.00% | 64.00% | Skill based. Open age and displacement. |
| Beginner | 900-999B | 0.00% | 56.00% | Open age and displacement. Entry level skill class. Riders in this class are closely monitored for fit and will be promoted as necessary. |
| 30+ Expert | 200-299A | 90.00% | 100.00% | 30 or older as of round 1 of current race season. |
| 30+ Intermediate | 600-699A | 80.00% | 90.00% | 30 or older as of round 1 of current race season. |
| 30+ Amateur | 300-399B | 0.00% | 80.00% | 30 or older as of round 1 of current race season. B speed riders. |
| 40+ Expert | 300-399A | 85.00% | 100.00% | 40 or older as of round 1 of current race season. |
| 40+ Intermediate | 700-799A | 75.00% | 85.00% | 40 or older as of round 1 of current race season. |
| 40+ Amateur | 400-499B | 0.00% | 75.00% | 40 or older as of round 1 of current race season. B speed riders. |
| 50+ Expert | 400-499A | 85.00% | 100.00% | 50 or older as of round 1 of current race season. |
| 50+ Intermediate | 800-899A | 75.00% | 85.00% | 50 or older as of round 1 of current race season. |
| 50+ Amateur | 500-599B | 0.00% | 75.00% | 50 or older as of round 1 of current race season. B speed riders. |
| 60+ A | 900-999A | 0.00% | 100.00% | 60 or older as of round 1 of current race season. |
| A Trail | 1000-1099A | 80.00% | 100.00% | No series points, series awards or race awards. Trail rider is not included in the overall. Class for casual, but timed riding. A trail is restricted to A speed riders. |
| Bike Trail B | 1000-1099B | 0.00% | 80.00% | No series points, series awards or race awards. Trail Rider is not included in the overall. Class for casual, but timed riding. B trail is restricted to B speed riders. |
| School Boy/Girl A | 11-99B | 80.00% | 90.00% | Skill based. Intermediate speed, 12-16 age as of round 1 of current race season. Max 200cc 2-stroke or 250cc 4-stroke. |
| School Boy/Girl B | 600-699B | 0.00% | 80.00% | Skill based. 12-16 age as of round 1 of current race season. Max 200cc 2-stroke or 250cc 4-stroke. |
| Women’s | 800-899B | 0.00% | 100.00% | Women only. Open age and 85cc+. |
| Short Course Bike | ||||
| Open A | 0-99V | 90.00% | 100.00% | A speed. Open age and displacement. |
| Open B | 200-299V | 80.00% | 90.00% | B speed. Open age and displacement. |
| Open C | 300-399U | 70.00% | 80.00% | C Speed. Open age and displacement. |
| Open D | 400-499U | 0.00% | 70.00% | D Speed. Open age and displacement |
| Decades/Pre-Modern | 100-199V | 0.00% | 100.00% | Pre-1999 motorcycles. Open age and displacement. |
| 45+ C | 0-99U | 0.00% | 75.00% | Amateur (C) speeds. 45+ as of round 1 of current race season. Over 80% advance to Open B SC |
| Post-Vintage | 100-199U | 0.00% | 100.00% | Open age and displacement. 1986 or older bike. |
| Women’s SC | 200-299U | 0.00% | 100.00% | Women only. Open age and displacement. *Note that a size restricted women’s short course class is also available in the Mini 85 race. |
| Bike 85cc | ||||
| Mini 85A | 0-99K | 85.00% | 100.00% | Skill based. A speeds. 14 and under as of round 1 of current race season. Max 112cc 2 stroke or 150cc 4 stroke. Max wheel size 19″/16″. Ex. KX100, KX85, KLX 140, KLX 140L, CRF 150R, CRF 150F, KTM 105XC, KTM 105SX |
| Mini 85B | 100-199K | 75.00% | 85.00% | Skill based. B speeds. 14 and under as of round 1 of current race season. Max 112cc 2 stroke or 150cc 4 stroke. Max wheel size 19″/16″. Ex. KX100, KX85, KLX 140, KLX 140L, CRF 150R, CRF 150F, KTM 105XC, KTM 105SX |
| Mini 85C | 200-299K | 60.00% | 75.00% | Skill based. C speeds. 14 and under as of round 1 of current race season. Max 112cc 2 stroke or 150cc 4 stroke. Max wheel size 19″/16″. Ex. KX100, KX85, KLX 140, KLX 140L, CRF 150R, CRF 150F, KTM 105XC, KTM 105SX |
| Mini 85D | 300-399K | 0.00% | 60.00% | Skill based. D speeds. 14 and under as of round 1 of current race season. Max 112cc 2 stroke or 150cc 4 stroke. Max wheel size 19″/16″. Ex. KX100, KX85, KLX 140, KLX 140L, CRF 150R, CRF 150F, KTM 105XC, KTM 105SX |
| Women’s 85 | 400-499K | 0.00% | 100.00% | Women only. Open age. Max 112cc 2 stroke or 230cc 4 stroke. |
| Bike 65cc | ||||
| Mini 65A | 0-99N | 85.00% | 100.00% | Skill based. A speeds. 12 and under as of round 1 of current race season. Max 65cc 2 stroke or 110cc 4 stroke. Max wheel size 14″/12″. Ex. KX 65, CRF 100F, CRF 80F, TTR 110E, KLX110 |
| Mini 65B | 100-199N | 70.00% | 85.00% | Skill based. B speeds. 12 and under as of round 1 of current race season. Max 65cc 2 stroke or 110cc 4 stroke. Max wheel size 14″/12″. Ex. KX 65, CRF 100F, CRF 80F, TTR 110E, KLX110 |
| Mini 65C | 200-299N | 0.00% | 70.00% | Skill based. C speeds. 12 and under as of round 1 of current race season. Max 65cc 2 stroke or 110cc 4 stroke. Max wheel size 14″/12″. Ex. KX 65, CRF 100F, CRF 80F, TTR 110E, KLX110 |
| Bike 50cc | ||||
| Mini 50A | 0-99M | 85.00% | 100.00% | Skill based. A speeds. 9 and under as of round 1 of current race season. 12/10 max wheel size. Max 50cc 2 stroke or 70cc 4 stroke. Live engine start. Ex. KTM 50, DRZ 70, CRF 70 (with small wheels) |
| Mini 50B | 100-199M | 70.00% | 85.00% | Skill based. B speeds. 9 and under as of round 1 of current race season. 12/10 max wheel size. Max 50cc 2 stroke or 70cc 4 stroke. Live engine start. Ex. KTM 50, DRZ 70, CRF 70 (with small wheels) |
| Mini 50C | 200-299M | 0.00% | 70.00% | Skill based. C speeds. 9 and under as of round 1 of current race season. 12/10 max wheel size. Max 50cc 2 stroke or 70cc 4 stroke. Live engine start. Ex. KTM 50, DRZ 70, CRF 70 (with small wheels) |
| 4-6 Air Cooled | 300-399M | 0.00% | 100.00% | New class for 2024. Air cooled, PW-style or SX-E2 motorcycles. Ages 4-6 as of Jan 1 of race season. |
| Quad Long Course | ||||
| Quad XC-P | 10-99X | 0.00% | 100.00% | Pro level payback class. Pros from other series. |
| Quad Expert | 100-199X | 90.00% | 100.00% | Skill based. Open age and displacement. |
| Quad Intermediate | 200-299X | 80.00% | 90.00% | Skill based. Open age and displacement. |
| Quad Amateur | 300-399X | 75.00% | 80.00% | Skill based. Open age and displacement. Entry point for riders with more than 1 year of riding experience. |
| Quad Sportsman | 500-599X | 0.00% | 75.00% | Skill based. Open age and displacement. |
| Quad Utility | 400-499X | 0.00% | 100.00% | Open age and displacement. ATV must be sold as a utility ATV with automatic transmission and reverse gear. Open age and displacement. Polaris ACE allowed. No side-by-sides. |
| Quad Women’s Long Course | 600-699X | 0.00% | 100.00% | Ladies only. Open age and displacement. |
| Quad Short Course | ||||
| Open Quad Short Course A | 1-99Z | 85.00% | 100.00% | Age 14+ as of round 1 of current race season. No pro riders. Intermediate to expert riders. Open displacement. |
| Open Quad Short Course B | 100-199Z | 75.00% | 85.00% | Age 14+ as of round 1 of current race season. No pro riders. Amateur to intermediate riders. Open displacement. |
| Open Quad Short Course C | 200-299Z | 0.00% | 75.00% | Age 14+ as of round 1 of current race season. No pro riders. Beginner to sportsman riders. Open displacement. |
| Youth/Women's Quad Short Course | ||||
| Youth Short Course Quad | 1-99W | 0.00% | 100.00% | 12-16 years of age as of round 1 of current race season. Max 350cc 4-stroke or 200cc 2-stroke ATV. |
| Womens Short Course Quad A | 100-199W | 80.00% | 100.00% | Women only. No age or displacement limits. A class is intended for intermediate to advanced lady riders. |
| Womens Short Course Quad B | 200-299W | 70.00% | 80.00% | Women only. No age or displacement limits. B class is intended for novice lady riders. |
| Womens Short Course Quad C | 300-399W | 0.00% | 70.00% | Women only. No age or displacement limits. C class is intended for beginner lady riders. |
| Mini Quad | ||||
| Mini Quad A | 1-99Y | 0.00% | 100.00% | 14 and under as of round 1 of current race season. Max 100cc 2 stroke or 125cc 4 stroke. |
| Mini Quad B | 100-199Y | 0.00% | 100.00% | 10 and under as of round 1 of current race season. Max 100cc 2 stroke or 125cc 4 stroke. |
| Pee Wee Quad | ||||
| Pee Wee Quad | 1-99Q | 0.00% | 100.00% | 7 and under as of round 1 of current race season. Max 70cc 2 stroke or 100cc 4 stroke. |
