Washington Nationals mascot Teddy Roosevelt crosses the finish line in front of mascots George Washington and Thomas Jefferson and Abe Lincoln to win his first race after 525 consecutive losses during the fourth inning against the Philadelphia Phillies at Nationals Park.

Washington Nationals owner Ted Lerner poses with mascot Teddy Roosevelt after the final regular season game against the Philadelphia Phillies at Nationals Park. The Nationals defeated the Phillies 5 - 1.

Washington Nationals presidents race in the fifth inning during a game against the Cincinnati Reds at Nationals Park. The Nationals defeated the Reds 4 - 1.

Washington Nationals mascot Abraham Lincoln during a race in between innings at Angel Stadium.

Washington Nationals mascot Teddy Roosevelt celebrates after winning his first presidents race after 525 losses during the fourth inning against the Philadelphia Phillies at Nationals Park.

Washington Nationals mascot George Washington wins the presidents race during the fourth inning of a game against the Houston Astros at Nationals Park. The Astros defeated the Nationals 11 - 4.

Racing mascot Teddy Roosevelt of the Washington Nationals stops short of the finish line during the 2012 Home Run Derby at Kauffman Stadium.

Racing mascot Teddy Roosevelt of the Washington Nationals runs during the 2012 Home Run Derby at Kauffman Stadium.