Jack Chambers
Auburndale, FLAccomplishments
- 1 career AMA Pro Motocross Championship 125 All Star Podium
- 5 career AMA Pro Motocross Championship 450 Class Starts
| Date of Birth: | October 30, 2002 (23) |
| Turned AMA Pro: | 2021 |
| Height: | 5' 11" |
| Weight: | 161 lbs |
450 Class
Full Standings| Position | Rider | Hometown | Points |
|---|---|---|---|
| 1 |  Hunter Lawrence | Landsborough, Australia  | 320 |
| 2 |  Jett Lawrence | Landsborough, Australia | 310 |
| 3 |  Haiden Deegan | Temecula, CA | 258 |
| 4 |  Jorge Prado | Lugo, Galicia, Spain  | 231 |
| 5 |  R.J. Hampshire | Hudson, FL | 221 |