Sprinter Gay open to 400m challenge

US sprint star Tyson Gay, seen here on August 18, is open to converting from the shorter events of the 100 and 200m to the lung-busting 400m discipline, with one eye on the US relay team for the 2012 London Olympics.
AFP - US sprint star Tyson Gay is open to converting from the shorter events of the 100 and 200m to the lung-busting 400m discipline, with one eye on the US relay team for the 2012 London Olympics.
Gay, the world leader in the 100m in the absence through injury of Jamaican duo Usain Bolt and Asafa Powell, admitted that he had clocked a sub-45 second run in the one-lap event this season.