This guy
http://www.dagbladet.no/sport/2007/07/13/506186.html
who's been a double amputee since before age 1, came in second in his heat in the 400m prelims at a Golden League competition. Now they're trying to decide whether the artificial legs actually give him an advantage. If not, then he'll likely qualify for the World Championships. Oh, and he also plays rugby and water polo.