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Contestants make their way up 86 flights of stairs at during the Empire State Building Run-Up, Wednesday, Feb. 6, 2013, in New York. (AP Photo/Frank Franklin II)

Women's invitational runners participate during the start of the 36th Empire State Building Run-Up running race in New York, February 6, 2013. Competitors run up 1,576 steps and 1,050 feet in a stairwell from the ground floor to the 86th floor observation deck. REUTERS/Adam Hunger

The men's invitational runners participate during the start of the 36th Empire State Building Run-Up running race in New York, February 6, 2013. Competitors run up 1,576 steps and 1,050 feet in a stairwell from the ground floor to the 86th floor observation deck. REUTERS/Adam Hunger

The men's invitational runners participate during the start of the 36th Empire State Building Run-Up running race in New York, February 6, 2013. Competitors run up 1,576 steps and 1,050 feet in a stairwell from the ground floor to the 86th floor observation deck. REUTERS/Adam Hunger

Competitors starts the 36th annual Empire State Building run-up in New York, February 6, 2013. Some 600 competitors entered the race which consist of racing up 86 floors, 1,576 steps, and 1,050 feet from the lobby to the iconic 86th floor Observatory. EMMANUEL DUNAND/AFP/Getty Images

Competitors get ready to start the 36th annual Empire State Building run-up in New York, February 6, 2013. Some 600 competitors entered the race which consist of racing up 86 floors, 1,576 steps, and 1,050 feet from the lobby to the iconic 86th floor Observatory. EMMANUEL DUNAND/AFP/Getty Images

Competitors starts the 36th annual Empire State Building run-up in New York, February 6, 2013. Some 600 competitors entered the race which consist of racing up 86 floors, 1,576 steps, and 1,050 feet from the lobby to the iconic 86th floor Observatory. EMMANUEL DUNAND/AFP/Getty Images

Australia's Mark Bourne crosses the finish line winning the 36th annual Empire State Building run-up in New York, February 6, 2013. Some 600 competitors entered the race which consist of racing up 86 floors, 1,576 steps, and 1,050 feet from the lobby to the iconic 86th floor Observatory. EMMANUEL DUNAND/AFP/Getty Images

Suzy Walsham of Australia crosses the finish line on the observation deck of the 86th floor of the Empire State Building in New York City to win the 36th Empire State Building Run-Up running race, February 6, 2013. Competitors run up 1,576 steps and 1,050 feet in a stairwell from the ground floor to the 86th floor observation deck. REUTERS/Adam Hunger

Mark Bourne of Australia reacts as he crosses the finish line on the observation deck of the 86th floor of the Empire State Building in New York City to win the 36th Empire State Building Run-Up running race, February 6, 2013. Competitors run up 1,576 steps and 1,050 feet in a stairwell from the ground floor to the 86th floor observation deck. REUTERS/Adam Hunger

Australia's Suzy Walsham crosses the finsh line winning the women's division of the 36th annual Empire State Building run-up in New York, February 6, 2013. Some 600 competitors entered the race which consist of racing up 86 floors, 1,576 steps, and 1,050 feet from the lobby to the iconic 86th floor Observatory. EMMANUEL DUNAND/AFP/Getty Images

Darren Wilson of Australia reacts as he crosses the finish line on the observation deck of the 86th floor of the Empire State Building in New York City coming in second place in the 36th Empire State Building Run-Up running race, February 6, 2013. Competitors run up 1,576 steps and 1,050 feet in a stairwell from the ground floor to the 86th floor observation deck. REUTERS/Adam Hunger

Suzy Walsham, of Australia, wins the women's invitational of the Empire State Building Run-Up, Wednesday, Feb. 6, 2013, in New York. (AP Photo/Frank Franklin II)

Mark Bourne of Australia congratulates Darren Wilson (R) also of Australia after the two finished first and second in the 36th Empire State Building Run-Up running race in New York, February 6, 2013. Competitors run up 1,576 steps and 1,050 feet in a stairwell from the ground floor to the 86th floor observation deck. REUTERS/Adam Hunger

Mark Bourne of Australia congratulates Darren Wilson (R) also of Australia after the two finished first and second in the 36th Empire State Building Run-Up running race in New York, February 6, 2013. Competitors run up 1,576 steps and 1,050 feet in a stairwell from the ground floor to the 86th floor observation deck. REUTERS/Adam Hunger

Suzy Walsham, right, and Mark Bourne, both of Australia, celebrate after their victories in the Empire State Building Run-Up, Wednesday, Feb. 6, 2013, in New York. (AP Photo/Frank Franklin II)

Australia's Suzy Walsham (L) and Mark Bourne celebrate after winning the 36th annual Empire State Building run-up in New York, February 6, 2013. Some 600 competitors entered the race which consist of racing up 86 floors, 1,576 steps, and 1,050 feet from the lobby to the iconic 86th floor Observatory. EMMANUEL DUNAND/AFP/Getty Images

Australia's Mark Bourne celebrates after crossing the finish line winning the 36th annual Empire State Building run-up in New York, February 6, 2013. Some 600 competitors entered the race which consist of racing up 86 floors, 1,576 steps, and 1,050 feet from the lobby to the iconic 86th floor Observatory. EMMANUEL DUNAND/AFP/Getty Images