A new points system begins with the 2013 Kentucky Derby, in which points are awarded to the top four finishers of selected prep races. The point values increases as the season goes on. The highest point totals will determine which 20 horses have preference for the Derby on May 4 if more than the maximum are entered. Previously, the field of 20 was determined by grades stakes earnings:
Sept. 29 - FrontRunner, 1 1/16 miles, Santa Anita (Power Broker, Know More, Capo Bastone)
Sept. 29 - Royal Lodge 1 mile (turf), Newmarket (Steeler, Artigiano, Al Waab)
Oct. 6 - Breeders' Futurity, 1 1/16 M miles, Keeneland (Joha, Dynamic Sky, Java's War)
Oct. 6 - Champagne, 1 mile, Belmont (Shanghai Bobby, Goldencents, Fortify)
Oct. 7 - Grey, 1 1/16 miles, Woodbine (River Seven, Tesseron, Indiano Jones)
Nov. 3 - Breeders' Cup Juvenile, 1 1/16 miles, Santa Anita (Shanghai Bobby, He's Had Enough, Capo Bastone)
Nov. 17 - Delta Downs Jackpot, 1 1/16 miles, Delta Downs (Goldencents, Bern Identity, Mylute)
Nov. 24 - Remsen 1 1/8 miles, Aqueduct (Overanalyze, Normandy Invasion, Delhomme)
Nov. 24 - Kentucky Jockey Club, 1 1/16 miles, Churchill Downs (Uncaptured, Frac Daddy, Dewey Square)
Dec. 15 - CashCall Futurity, 1 1/16 miles, Hollywood Park (Violence, Fury Kapcori, Den's Legacy)
Jan. 5 - Sham, 1 mile, Santa Anita (Goldencents, Den's Legacy, Manando)
Jan. 19 - Lecomte, 1 mile, 70 yards, Fair Grounds (Oxbow, Golden Soul, Fear The Kitten)
Jan. 21 - Smarty Jones, 1 mile, Oaklawn Park (Will Take Charge, Texas Bling, Always in a Tiz)
Jan. 26 - Holy Bull, 1 1/16 miles, Gulfstream Park (Itsmyluckyday, Shanghai Bobby, Clearly Now)
Feb. 2 - Robert B. Lewis, 1 1/16 miles, Santa Anita (Flashback, Den's Legacy, He's Had Enough)
Feb. 2 - Sam F. Davis, 1 1/16 miles, Tampa Bay Downs (Falling Sky, Dynamic Sky, My Name Is Michael)
Feb. 2 - Withers, 1 1/16 miles, Aqueduct (Revolutionary, Escapefromreality, Siete de Oros)
Feb. 16 - El Camino Real Derby, 1 1/8 miles, Golden Gate Fields
Feb. 18 - Southwest, 1 mile, Oaklawn Park
Feb. 23 - Fountain of Youth, 1 1/16 miles, Gulfstream Park
Feb. 23 - Risen Star, 1 1/16 miles, Fair Grounds
March 2 - Gotham, 1 1/16 miles, Aqueduct
March 9 - Tampa Bay Derby, 1 1/16 miles, Tampa Bay Downs
March 9 - San Felipem, 1 1/16 miles, Santa Anita
March 16 - Rebel, 1 1/16 miles, Oaklawn Park
March 23 - Spiral, 1 1/8 miles, Turfway Park
March 24 - Sunland Derby, 1 1/8 miles, Sunland Park
March 30 - Florida Derby, 1 1/8 miles, Gulfstream Park
March 30 - Louisiana Derby, 1 1/8 miles, Fair Grounds
March 30 - UAE Derby, 1 3/16 miles, Meydan Racecourse
April 6 - Wood Memorial, 1 1/8 miles, Aqueduct
April 6 - Santa Anita Derby, 1 1/8 miles, Santa Anita
April 13 - Arkansas Derby, 1 1/8 miles, Oaklawn Park
April 13 - Blue Grass, 1 1/8 miles, Keeneland
April 20 - Lexington, 1 1/16 miles, Keeneland
April 27 - Derby Trial, 1 mile, Churchill Downs
