Mark Grimmette and his partner Brian Martin have been one of the most successful doubles in luge sport since the mid-1990s. You are to be regarded as the successor to the US world-class duo Chris Thorpe and Gordy Sheer . Grimmette started tobogganing at the age of 14 when a toboggan run was built in Muskegon . They were able to achieve podium placements 59 times in international competitions (18 × victory - 17 × second place - 24 × third place). Among her successes winning the bronze medal at the part 1998 Winter Olympics in Nagano and the silver medal at the 2002 Olympic Winter Games of Salt Lake City . In 2006 the duo did not finish. At the 2004 and 2005 World Championships, they won silver with the team, and in 2001 bronze. As a doubles they won the bronze medal in 1999 , 2000 , 2004 , 2005 and 2007 . They won the overall World Cup in the 1997/98 , 1998/99 and 2002/03 seasons , and came third in 1999/2000 . The double won nine races of the World Cup. There are also five national championships in the USA from 1998 to 2002 and 2005.
At the opening ceremony of the 2002 Olympic Games, Mark Grimmette was one of eight athletes to carry the World Trade Center flag into the stadium. At the 2006 Games, he was the oldest athlete on the US team. After his active career, Martin became national coach for the US association.