Feb. 6:&nbsp;Quality Road romps&nbsp;by 12 3/4 lengths in the Donn, earning the year&rsquo;s highest Beyer Speed Figure, a 121.\r\nMarch 27: Gloria de Campeao edges Lizard&rsquo;s Desire by a nose to win the $10 million Dubai World Cup at 25-1.\r\nApril 8: Undefeated champion and Hall of Famer Personal Ensign dies at 26.\r\nMay 1: Super Saver rallies to give trainer Todd Pletcher the first Derby win of his career and Calvin Borel his third in four years.\r\nMay 14: Hall of Famer and 1998 Horse of the Year Skip Away dies at 17.\r\nMay 22: Monmouth opens its much anticipated &ldquo;Elite Meet,&rdquo; which offers $50 million in purses over 50 days.\r\nJuly 13: New York Yankees owner George Steinbrenner, a longtime owner and breeder of racehorses, dies at 80.\r\nAug. 18: Santa Anita announces it will replace its synthetic surface with a conventional dirt track for the start of its winter meet Dec. 26.\r\nSept. 3: Oak Tree announces it will run its annual fall meeting at Hollywood Park in 2010 and 2011.\r\nOct. 2: Zenyatta takes the lead in the final 20 yards of the Lady&rsquo;s Secret and defeats Switch by a half-length, pushing her record to 19 for 19.\r\nOct. 5: A week after being retired, Rachel Alexandra leaves the racetrack at Saratoga and heads to Churchill to begin her breeding career.\r\nNov. 6: Under the lights at Churchill in her final race, Zenyatta falls a head short of Blame in the Breeders&rsquo; Cup Classic.\r\nDec. 7: NYCOTB announces it will shut down after the state Senate fails to pass a bill that would&rsquo;ve brought the company out of bankruptcy.\r\nDec. 11: Hall of Famer Mack Miller, best known for training 1993 Kentucky Derby winner Sea Hero, dies at 89.\r\nDec. 15: Scott Lake becomes the sixth trainer to record 5,000 wins.