1984 Jamaica (G3) at Belmont Park with Raja’s Shark.
First Career Win:
April 14, 1979, at Keeneland with Joe’s Coming.
February 14, 1961 in Indianapolis, Ind.
At Keeneland (through 2014):
Leading trainer during the 2014 Spring Meet with 11 wins. Won the Hilliard Lyons Doubledogdare (G3) with Sisterly Love.
Won first Keeneland race during the 1979 Spring Meet with his first starter, Joe’s Coming.
First Keeneland stakes win was the 2012 Darley Alcibiades (G1) with Spring in the Air. Won the race in 2013 with My Conquestadory.
Career earnings in early February 2015 were $93 million.
Saddled Lexi Lou to win the 2014 Queen's Plate, Canada's most famous race.
Has won six Sovereign Awards as Canada’s outstanding trainer – 2006-2008 and 2011-2013. Finalist for the 2014 award (to be announced in April).
Has trained 10 individual Sovereign Award winners (Canadian champions): Sisterly Love (2013); Horse of the Year Uncaptured (2012); Spring in the Air (2012); Roxy Gap (2012); Delightful Mary (2010); Marchfield (2008-2009); Horse of the Year Sealy Hill (2007); Kimchi (2006); Added Edge (2002); Exciting Story (1999).
Leading trainer at Woodbie in 2014 for eighth consecutive year and ninth overall.
Won 155 races in 2014 and ranked sixth in earnings among North American trainers with a career-best $11,877,193. Graded wins included the Seabiscuit (G2) and Play the King (Can-G2), both with Kaigun, and the Best Pal (G2) with Sky Way.
2013 earnings were $8,565,108 to rank seventh among leading North American trainers. Highlights included winning the Price of Wales, the second leg of the Canadian Triple Crown, with Uncaptured and winning the Fleur de Lis (G2) with Funny Proposition.
In 2012, was seventh among North America trainers with $10,238,086 and 129 wins. Highlights included winning the Kentucky Jockey Club (G2) and Iroquois (G3) with Uncaptured, Hawthorne Gold Cup (G2) with Pool Play, Tampa Bay Derby (G2) and Ohio Derby (G3) with Prospective and the Prince of Wales with the filly Dixie Strike.
Won the 2011 Stephen Foster Handicap (G1) with Pool Play.
Trained Sealy Hill to become the only filly to win the Canadian Filly Triple Crown in 2007.
Posted Career Win No 1,000 race at Woodbine on Aug. 9, 2008, with maiden winner Laragh.
Leading trainer at Churchill Downs in the spring of 1988 and at Turfway Park four times – 1988 fall and holiday meets and 1989 winter/spring and fall meets.
Owns and operates Moonshadow Farm in Ocala, Fla., with his wife, Tina.
A trip in a horse van with his father, Norman Casse, to see Secretariat win the 1973 Kentucky Derby hooked Mark on racing. His father had a successful breeding operation in Indiana before moving his family to Ocala, Fla., where he established Cardinal Hill Farm. Norman retired as chairman of the board of the Ocala Breeders’ Sales in 2006 after more than 40 years involvement in the industry.
Mark’s son, also named Norman, is his top assistant.