We've compiled a list of the official 2017 Supercross numbers with associated riders. The single asterisk references a rider's career number while two asterisks represent a rider's new career number for 2017. Here is your guide to the 2017 Supercross rider numbers:
Legend:
*Career Numbers
**New Career Number for 2017
| 1 (450SX) Ryan Dungey |
| 1 (250SX West) Cooper Webb |
| 1 (250SX East) Malcolm Stewart |
| 2 ** Cooper Webb |
| 3 * Eli Tomac |
| 4 * Blake Baggett |
| 5 * Ryan Dungey |
| 6 * Jeremy Martin |
| 7 * James Stewart |
| 10 * Justin Brayton |
| 11 * Kyle Chisholm |
| 12 * Jake Weimer |
| 14 * Cole Seely |
| 15 * Dean Wilson |
| 16 * Zach Osborne |
| 17 ** Joey Savatgy |
| 18 * David Millsaps |
| 19 * Justin Bogle |
| 20 * Broc Tickle |
| 21 * Jason Anderson |
| 22 * Chad Reed |
| 23 ** Aaron Plessinger |
| 24 Austin Forkner |
| 25 * Marvin Musquin |
| 26 ** Alex Martin |
| 27 * Nicholas Wey |
| 28 Mitchell Oldenburg |
| 29 * Andrew Short |
| 30 Martin Davalos |
| 31 RJ Hampshire |
| 32 Weston Peick |
| 33 * Joshua Grant |
| 34 Benny Bloss |
| 35 Arnaud Tonas |
| 36 Adam Cianciarulo |
| 37 Phillip Nicoletti |
| 38 Shane McElrath |
| 39 Colt Nichols |
| 40 Fredrik Noren |
| 41 * Trey Canard |
| 42 Kyle Cunningham |
| 43 Matthew Bisceglia |
| 44 Jordan Smith |
| 45 Mitchell Harrison |
| 46 Justin Hill |
| 47 Malcolm Stewart |
| 48 Christian Craig |
| 49 Anthony Rodriguez |
| 50 Luke Renzland |
| 51 * Justin Barcia |
| 52 Tyler Bowers |
| 53 Cole Martinez |
| 54 Gannon Audette |
| 55 Jessy Nelson |
| 56 Kyle Peters |
| 57 James Decotis |
| 58 Chris Alldredge |
| 59 Noah McConahy |
| 60 Tristan Charboneau |
| 61 Vince Friese |
| 62 Jesse Wentland |
| 63 Alexander Frye |
| 64 Hayden Mellross |
| 65 Paul Coates |
| 66 Michael Leib |
| 67 Jimmy Albertson |
| 68 Heath Harrison |
| 69 William Hahn |
| 70 Dakota Alix |
| 71 Justin Starling |
| 72 Cole Thompson |
| 73 Marshal Weltin |
| 74 Bradley Taft |
| 75 Nicholas Schmidt |
| 76 Scott Champion |
| 77 Ben Lamay |
| 78 Nick Gaines |
| 79 Darryn Durham |
| 80 Cade Clason |
| 81 Henry Miller |
| 82 Luke Clout |
| 83 Jackson Richardson |
| 84 Daniel Herrlein |
| 85 Thomas Hahn |
| 86 Trevor Reis |
| 87 Chris Howell |
| 88 John Short |
| 89 Austin Howell |
| 90 Dillan Epstein |
| 91 Jacob Williamson |
| 92 Jason Brooks |
| 93 Joshua Cartwright |
| 94 * Ken Roczen |
| 95 AJ Catanzaro |
| 96 Vann Martin |
| 97 Ryan Sipes |
| 98 Matthew Babbitt |
| 99 Chase Marquier |
| 108 Dylan Ferrandis |
| 122 Dan Reardon |
| 183 Lorenzo Locurcio |
| 377 * Christophe Pourcel |
| 486 Chase Sexton |
| 800 * Mike Alessi |
| 812 Cameron McAdoo |


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