AMA Pro Motocross Championship
Motocross Riders: S
![Marc Safreed]()
Marc Safreed
Tipp City, OH ![Owen Sailor]()
Owen Sailor
Elk river, MN ![Brett Salander]()
Brett Salander
Freeport, PA ![Jerry Sales]()
Jerry Sales
Kent, OH ![Edward Salley]()
Edward Salley
Roswell, GA ![Jan-Eric Sallquist]()
Jan-Eric Sallquist
Ontario ![Rick Salmon]()
Rick Salmon
Northridge, CA ![Darian Sanayei]()
Darian Sanayei
Monroe, WA ![David Sanborn]()
David Sanborn
Sussex, WI ![Freddy F Sanchez]()
Freddy F Sanchez
Laguna Beach, CA ![Kip Sandell]()
Kip Sandell
Sedalia, CO ![Donald Sanders]()
Donald Sanders
Mill Valley, CA ![Michel Sandoval]()
Michel Sandoval
Venezuela ![Richard Sands]()
Richard Sands
West Covina, CA ![Maxwell Sanford]()
Maxwell Sanford
Pasadena, MD ![Douglas Sanger]()
Douglas Sanger
Trotwood, OH ![Daniel Sani]()
Daniel Sani
Clovis, CA ![Chad Sanner]()
Chad Sanner
Smithfield, PA ![Angelo Santaniello]()
Angelo Santaniello
Coram, NY ![Hugo Santos]()
Hugo Santos
Temecula, CA ![Luc Santos]()
Luc Santos
Oakley, UT ![Randy Sargent]()
Randy Sargent
Salt Lake City, UT ![Alessio Sasso]()
Alessio Sasso
Poway, CA ![Chad Saultz]()
Chad Saultz
Batavia, IL ![Blake Savage]()
Blake Savage
Washington, UT ![Joey Savatgy]()
Joey Savatgy
Thomasville, GA ![John Savitski]()
John Savitski
Atlas, PA ![Richard Sawdey]()
Richard Sawdey
North Adams, MI ![Tucker Saye]()
Tucker Saye
Littleton, CO ![Hunter Sayles]()
Hunter Sayles
Merrill, WI ![Jacob Saylor]()
Jacob Saylor
Knosville, TN ![Jordyn Scalvini]()
Jordyn Scalvini
Willows, CA ![Jaimy Scevenels]()
Jaimy Scevenels
Belgium ![Alain Schafer]()
Alain Schafer
Switzerland ![Brandon Scharer]()
Brandon Scharer
Gardena, CA ![Gage Schehr]()
Gage Schehr
Murrieta, CA ![Roy Schellenberger]()
Roy Schellenberger
Grapevine, TX ![John Schewendener]()
John Schewendener
Ashland, OR ![Richard Schilling]()
Richard Schilling
Napa, CA ![Carl Schlacht]()
Carl Schlacht
Strongsville, OH ![Joey Schlag]()
Joey Schlag
Pittsburg, CA ![Billy Schlag]()
Billy Schlag
Mechanicsville, MD ![Fritz Schlegel]()
Fritz Schlegel
La Costa, CA ![Hunter Schlosser]()
Hunter Schlosser
El Paso, TX ![Broc Schmelyun]()
Broc Schmelyun
West Minster, MD ![Richard L Schmidt]()
Richard L Schmidt
Howell, NJ ![Nick Schmidt]()
Nick Schmidt
Maryville, WA ![Trevor Schmidt]()
Trevor Schmidt
Rochester, NY ![Donny Schmit]()
Donny Schmit
Bloomington, MN ![Dylan Schmoke]()
Dylan Schmoke
Alpine, CA ![Nick Schnagl]()
Nick Schnagl
Stillwater, MN ![Matt Schneider]()
Matt Schneider
Ft.. Wayne, IN ![Greg S Schnell]()
Greg S Schnell
Rancho Cucamonga, CA ![Brantley Schnell]()
Brantley Schnell
Denver, NC ![Coty Schock]()
Coty Schock
Dover, DE ![Casey Schrader]()
Casey Schrader
Holland, NY ![Rody Schroyer]()
Rody Schroyer
Ottawa Lake, MI ![Carl L Schubitzke]()
Carl L Schubitzke
Saginaw, MN ![Joseph G Schueler]()
Joseph G Schueler
Fallston, MD ![Chris N Schueler]()
Chris N Schueler
Fallston, MD ![Robert Schulz]()
Robert Schulz
Newbury Park, CA ![Jeff Schumacher]()
Jeff Schumacher
Independence, MO ![Denny Schwartz]()
Denny Schwartz
Marietta, OH ![Dilan Schwartz]()
Dilan Schwartz
Alpine, CA ![Corey Schweitzer]()
Corey Schweitzer
Hartland, WI ![Ryan Sciortino]()
Ryan Sciortino
Staatsburg, NY ![Wemyss Scott]()
Wemyss Scott
Lexington, MA ![Jake Scott]()
Jake Scott
Port Jefferson Stations, NY ![Karl A Scott Iv]()
Karl A Scott Iv
Painesville, OH ![Tommy Searle]()
Tommy Searle
United Kingdom ![Scott See]()
Scott See
Morrison, CO ![Cole Seely]()
Cole Seely
Newbury Park, CA ![Jerry Seip Jr]()
Jerry Seip Jr
Hightstown, NJ ![Wesley Selby]()
Wesley Selby
Thief River Falls, MN ![Ron Self]()
Ron Self
San Jose, CA ![Brock Sellards]()
Brock Sellards
New Philadelphia, OH ![Alley Semar]()
Alley Semar
New Iberia, LA ![Gary Semics]()
Gary Semics
Lisbon, OH ![Eric Senk]()
Eric Senk
Lansing, MI ![John R Sereika Jr]()
John R Sereika Jr
Norco, CA ![Naoki Serizawa]()
Naoki Serizawa
Japan ![Carlos Serrano]()
Carlos Serrano
Tucson, AZ ![Stephen R Setilla]()
Stephen R Setilla
Westminster, MD ![Travis Sewell]()
Travis Sewell
Westville, IN ![Shane Sewell]()
Shane Sewell
Westville, IN ![Travis Sewell]()
Travis Sewell
Valparaiso, IN ![Chase Sexton]()
Chase Sexton
La Moille, IL ![Zennon Shain]()
Zennon Shain
Coal City, IL ![Ben Shank]()
Ben Shank
Capitola, CA ![Tim Sharp]()
Tim Sharp
Riverside, CA ![William Shatrau]()
William Shatrau
Oswego, NY ![Jeff Shaw]()
Jeff Shaw
Jackson, MS ![Lane Shaw]()
Lane Shaw
Alvin, TX ![John Shay]()
John Shay
Burghill, OH ![Matthew T Sheafor]()
Matthew T Sheafor
Belmont, MI ![Matt Sheafor]()
Matt Sheafor
Grand Rapids, MI ![Scott Sheak]()
Scott Sheak
Germantown, NY ![Clinton D Shealy]()
Clinton D Shealy
Gainesville, FL ![Joel Shedden]()
Joel Shedden
Mission Hills, CA ![Randall Shekell]()
Randall Shekell
Saint Louis, MO ![Bryce Shelly]()
Bryce Shelly
Telford, PA ![Larry Shelton]()
Larry Shelton
Columbus, MS ![Christopher Shenoy]()
Christopher Shenoy
Soquel, CA ![Frank Shepanski]()
Frank Shepanski
Milan, MI ![Chadwick Shepard]()
Chadwick Shepard
South Burlington, VT ![Tim Shephard]()
Tim Shephard
Barboursville, WV ![Tom Sheppard]()
Tom Sheppard
Tampa, FL ![Richard Sheren]()
Richard Sheren
San Diego, CA ![F Brady A Sheren]()
F Brady A Sheren
Surrey, BC ![Conor Sheridan]()
Conor Sheridan
West Suffield, CT ![Doug Sherman]()
Doug Sherman
Rowland Hills, CA ![Tony Sherman]()
Tony Sherman
Elverta, CA ![Jo Shimoda]()
Jo Shimoda
Suzuka, Japan ![Jonathan Shimp]()
Jonathan Shimp
Canyon Country, CA ![Maccoy Shine]()
Maccoy Shine
Warren, PA ![Gary Shipley]()
Gary Shipley
Washington, PA ![Ayden Shive]()
Ayden Shive
Dade City, FL ![Mike Shoemaker]()
Mike Shoemaker
Simi Valley, CA ![Broc Shoemaker]()
Broc Shoemaker
Agua Dulce, CA ![Cole Shondeck]()
Cole Shondeck
Colorado Springs, CO ![Bryce Shondeck]()
Bryce Shondeck
Colorado Springs, CO ![Andrew Short]()
Andrew Short
Colorado Springs, CO ![John Short]()
John Short
Pilot Point, TX ![Robert Shoup]()
Robert Shoup
Tipp City, OH ![Hunter Shriner]()
Hunter Shriner
Clarksville, PA ![Hunter Shryock]()
Hunter Shryock
Newcomerstown, OH ![Brian Shuckhart]()
Brian Shuckhart
White Oak, PA ![Matt R Shue]()
Matt R Shue
Buford, GA ![Darrell Shultz]()
Darrell Shultz
Orangevale, CA ![Dean Shultz]()
Dean Shultz
Orangevale, CA ![Takami Shunji]()
Takami Shunji
Japan ![Rick Sidle]()
Rick Sidle
Lebanon, PA ![Kyle Sidle]()
Kyle Sidle
Lebanon, PA ![Cole T Siebler]()
Cole T Siebler
Emmett, ID ![Carl Siegal]()
Carl Siegal
Tuscaloosa, AL ![Jack Siegrist]()
Jack Siegrist
Irving, TX ![Michael P Sigmund]()
Michael P Sigmund
Central City, PA ![Wally J Silva]()
Wally J Silva
Old Orchard Beach, MD ![Bill N Silvarole]()
Bill N Silvarole
Rochester, NY ![Blaine Silveira]()
Blaine Silveira
Lemoore, CA ![Dylan Simao]()
Dylan Simao
Castro Valley, CA ![Aaron Siminoe]()
Aaron Siminoe
Reno, NV ![Rick Simmet]()
Rick Simmet
Spokane, WA ![Tye Simmonds]()
Tye Simmonds
Menifee, CA ![Keith Simmons]()
Keith Simmons
San Antonio, TX ![Scott B Simon]()
Scott B Simon
Riverside, CA ![Willy Simons]()
Willy Simons
Simi Valley, CA ![William Simons Jr.]()
William Simons Jr.
Simi Valley, CA ![Devin Simonson]()
Devin Simonson
Laurinburg, NC ![Shaun Simpson]()
Shaun Simpson
United Kingdom ![Charles Sims]()
Charles Sims
Clarkesville, GA ![Ryan Sipes]()
Ryan Sipes
Vine Grove, KY ![Justin Sipes]()
Justin Sipes
Vine Grove, KY ![Chris W Sirjane]()
Chris W Sirjane
Whitehall, NY ![Jonathan Six]()
Jonathan Six
Ottawa, IL ![Drayke Sizemore]()
Drayke Sizemore
Tamaroa, IL ![Tyler Sjoberg]()
Tyler Sjoberg
Castaic, CA ![Cameron Skaalerud]()
Cameron Skaalerud
Waconia, MN ![Robbie Skaggs]()
Robbie Skaggs
Lawrence, KS ![Nathan Skaggs]()
Nathan Skaggs
Chillicothe, OH ![Randal Skillman]()
Randal Skillman
![Shaun J Skinner]()
Shaun J Skinner
Stuart, FL ![Noah Skinner]()
Noah Skinner
Youngsville, NC ![Tylor Skodras]()
Tylor Skodras
Sussex, WI ![Duane Skofield]()
Duane Skofield
Haverfield, MA ![James Slaughter]()
James Slaughter
Walden, NY ![James Slaughter Jr.]()
James Slaughter Jr.
Walden, NY ![Reggie Slavens]()
Reggie Slavens
Carbondale, IL ![Michael Sleeter]()
Michael Sleeter
Temecula, CA ![Shane Slother]()
Shane Slother
Titusville, PA ![Dylan Slusser]()
Dylan Slusser
Butler, PA ![Robert Sly]()
Robert Sly
New Franklin, OH ![Lance Smail]()
Lance Smail
Kent, WA ![Layton Smail]()
Layton Smail
Covington, WA ![Joel Smets]()
Joel Smets
Belgium ![Donald Smith]()
Donald Smith
Jacksonville, FL ![Jim Smith]()
Jim Smith
Fenton, MI ![Greg Smith]()
Greg Smith
Santa Ana, CA ![Dave Smith]()
Dave Smith
Escondino, CA ![Jeff Smith]()
Jeff Smith
Canada ![Cary Smith]()
Cary Smith
Saint Petersburg, FL ![Marty Smith]()
Marty Smith
San Diego, CA ![Roger Smith]()
Roger Smith
Aurora, CO ![Alan Smith]()
Alan Smith
Garden Grove, CA ![Larry Smith]()
Larry Smith
Arlington, TX ![Rodney Smith]()
Rodney Smith
Antioch, CA ![Trey Smith]()
Trey Smith
Duncan Falls, OH ![Butch Smith]()
Butch Smith
Society Hill, SC ![Danny Smith]()
Danny Smith
Eagle, ID ![Brad E Smith]()
Brad E Smith
Leonard, MI ![Robbie Smith]()
Robbie Smith
Guthrie, OK ![Ryan Smith]()
Ryan Smith
Axton, VA ![Les Smith]()
Les Smith
York, SC ![Kelly Smith]()
Kelly Smith
Ludington, MI ![Jordon Smith]()
Jordon Smith
Belmont, NC ![Jeremy Smith]()
Jeremy Smith
Marmora, NJ ![Jacob Smith]()
Jacob Smith
Rescue, CA ![Slade Smith]()
Slade Smith
South Africa ![Dylan Smith]()
Dylan Smith
Colfax, IA ![Frantisek Smola]()
Frantisek Smola
Spartanburg, SC ![Peter Snorteland]()
Peter Snorteland
Newbury Park, CA ![Tim Snyder]()
Tim Snyder
Niles, MI ![Ray Sommo]()
Ray Sommo
Capistrano Beach, CA ![Eric Sorby]()
Eric Sorby
Corona, CA ![Harvey Sorensen]()
Harvey Sorensen
Holly, MI ![Colby Sorensen]()
Colby Sorensen
Lehi, UT ![William Sosebee]()
William Sosebee
Little Rock, AR ![Michael Sottile]()
Michael Sottile
Marlborough, MA ![Eric R Soucy]()
Eric R Soucy
Nashua, NH ![Kurt Sourbeer]()
Kurt Sourbeer
Carbondale, PA ![Gustavo Souza]()
Gustavo Souza
Brazil ![Gustavo De Souza]()
Gustavo De Souza
Brazil ![Braden Spangle]()
Braden Spangle
Spokane, WA ![Dale Spangler]()
Dale Spangler
Painesville, OH ![Lowell Spangler]()
Lowell Spangler
Lebanon, PA ![Johnny Spaw]()
Johnny Spaw
Cedar Rapids, IA ![Mike Spear]()
Mike Spear
Washingtonville, NY ![Kirk Spencer]()
Kirk Spencer
Carrollton, TX ![Jeffrey Spreeman]()
Jeffrey Spreeman
Adrian, MI ![Chris D Sprenkel]()
Chris D Sprenkel
Temecula, CA ![Kyle Springman]()
Kyle Springman
Menifee, CA ![Austin Squires]()
Austin Squires
Middletown, RI ![Steve Stackable]()
Steve Stackable
Austin, TX ![Frank Stacy]()
Frank Stacy
Cheektowaga, NY ![Andy Stacy]()
Andy Stacy
Depew, NY ![Scooter Stafford]()
Scooter Stafford
Baton Rouge, LA ![Michael Stahlman]()
Michael Stahlman
Saint Clair, MO ![Jeff Stanford]()
Jeff Stanford
Ridgecrest, CA ![Jeff Stanton]()
Jeff Stanton
Sherwood, MI ![Mark Stapleton]()
Mark Stapleton
Saint Charles, MI ![Dennis Stapleton]()
Dennis Stapleton
Capitola, CA ![Geran Stapleton]()
Geran Stapleton
Cape Schanck, Australia ![Justin Starling]()
Justin Starling
Deland, FL ![Rex Staten]()
Rex Staten
Fontana, CA ![Mike Stearns]()
Mike Stearns
El Cajon, CA ![Joshua Steel]()
Joshua Steel
Dayton, OH ![Ryder Steffy]()
Ryder Steffy
Edmonds, WA ![Ivo Steinbergs]()
Ivo Steinbergs
Jelgava, Latvia ![Richard Steinebrunner]()
Richard Steinebrunner
Glen Burnie, MD ![Gared Steinke]()
Gared Steinke
Woodland, CA ![Stephen Stella]()
Stephen Stella
Westminster, MD ![Hunter Stempel]()
Hunter Stempel
Bay Shore, NY ![Mike Stender]()
Mike Stender
Eutin, Germany ![Rick Stepanovic]()
Rick Stepanovic
Mchenry, IL ![Tyler Stepek]()
Tyler Stepek
Mount Airy, MD ![Don Stephenson]()
Don Stephenson
Covington, KY ![Denny Stephenson]()
Denny Stephenson
Omaha, NE ![Carter Stephenson]()
Carter Stephenson
Rolla, MO ![David Stermer]()
David Stermer
Arvada, CO ![Joshua R Sterritt]()
Joshua R Sterritt
Athens, NY ![Martin Steve]()
Martin Steve
Evanston, WY ![Brent M Stevensen]()
Brent M Stevensen
Nicollet, MN ![Jeffrey Stevenson]()
Jeffrey Stevenson
Clinton, IA ![Chase Stevenson]()
Chase Stevenson
Cedar Rapids, IA ![Ronnie Stewart]()
Ronnie Stewart
Easton, PA ![James Stewart]()
James Stewart
Haines City, FL ![Malcolm Stewart]()
Malcolm Stewart
Haines City, FL ![Bryce Stewart]()
Bryce Stewart
Huntington Beach, CA ![Boo Stichter]()
Boo Stichter
Thornton, CO ![Travis Stichter]()
Travis Stichter
Thornton, CO ![Clark Stiles]()
Clark Stiles
Tanner, AL ![Sven Stillrock]()
Sven Stillrock
![Gage Stine]()
Gage Stine
Woodsboro, MD ![Will Stockland]()
Will Stockland
Missouri City, TX ![Doug Stone]()
Doug Stone
Kansas City, MO ![Cameron Stone]()
Cameron Stone
![Brian Stone]()
Brian Stone
Kansas City, MO ![Chad Stonier]()
Chad Stonier
St. Augustine, FL ![Danny Storbeck]()
Danny Storbeck
San Antonio, TX ![Bill Stork]()
Bill Stork
Rapid City, SD ![Ron Story]()
Ron Story
Metairie, LA ![Jake Stout]()
Jake Stout
Clayville, NY ![Josh Strang]()
Josh Strang
Inverell, Australia ![Bruce Stratton]()
Bruce Stratton
Earlville, NY ![Taylor Strauss]()
Taylor Strauss
Helenville, WI ![Broc Streit]()
Broc Streit
New Castle, PA ![Kevin Strijbos]()
Kevin Strijbos
Belgium ![Austin Stroupe]()
Austin Stroupe
Lincolnton, NC ![Bradley Strunk]()
Bradley Strunk
Lexington, KY ![Michael Stryker]()
Michael Stryker
New Paltz, NY ![David Stuart]()
David Stuart
Miami, FL ![Jack Stucki]()
Jack Stucki
Evansville, IN ![Jim Studdard]()
Jim Studdard
Saint Louis, MO ![Kevin Studley]()
Kevin Studley
Brownsburg, IN ![Gene A Stull]()
Gene A Stull
Gibsonia, PA ![Gene Stull]()
Gene Stull
Sewickley, PA ![Steven Stultz]()
Steven Stultz
Peoria, AZ ![Colton Sturm]()
Colton Sturm
Nisswa, MN ![David Stutts]()
David Stutts
San Antonio, TX ![Joey Suges]()
Joey Suges
Wheatfield, IN ![Mitchel Suire]()
Mitchel Suire
New Iberia, LA ![Randy Sullivan]()
Randy Sullivan
Fort Worth, TX ![Rory Sullivan]()
Rory Sullivan
Estacada, OR ![Seamus Sullivan]()
Seamus Sullivan
Foxborough, MA ![Dylan Summerlin]()
Dylan Summerlin
Kent, WA ![Thomas Summers]()
Thomas Summers
Fern Creek, KY ![Kyle Summers]()
Kyle Summers
Discovery Bay, CA ![Tony Summey]()
Tony Summey
Forest City, NC ![Josh Summey]()
Josh Summey
Huntersville, NC ![Chuck Sun]()
Chuck Sun
Sherwood, OR ![Ron Sun]()
Ron Sun
Sherwood, OR ![Chris Sundstrom]()
Chris Sundstrom
Denver, CO ![Jerry Surber]()
Jerry Surber
Friendswood, TX ![Willie Surratt]()
Willie Surratt
Canyon Country, CA ![Ryan Surratt]()
Ryan Surratt
Corona, CA ![Jeff Surwall]()
Jeff Surwall
Des Plaines, IL ![Brandon Sussman]()
Brandon Sussman
Mission Viejo, CA ![Jeff Sutherland]()
Jeff Sutherland
Woodslee, ON ![Gary E Sutherlin]()
Gary E Sutherlin
Stevensville, MT ![Daisuki Suzuki]()
Daisuki Suzuki
Japan ![John Svensson]()
John Svensson
Tacoma, WA ![Arik R Swan]()
Arik R Swan
Santa Cruz, CA ![Arik Swan]()
Arik Swan
Santa Cruz, CA ![Gareth Swanepoel]()
Gareth Swanepoel
Johannesburg, South Africa ![Denny Swartz]()
Denny Swartz
Reno, OH ![Ti Swartz]()
Ti Swartz
Westminster, CA ![Brian Sweaney]()
Brian Sweaney
![Joshua Sweat]()
Joshua Sweat
Weirton, WV ![Dennis Sweeten]()
Dennis Sweeten
Portland, OR ![Michael Sweney]()
Michael Sweney
Johnstown, CO ![Brian Swink]()
Brian Swink
Fenton, MI ![Cayden Switzer]()
Cayden Switzer
Muskegon, MI ![Jalek Swoll]()
Jalek Swoll
Belleview, FL ![John Symons]()
John Symons
Tampa, FL
