Polish race walker and four-time Olympic gold medalist who won golds in the 50 km walk and 20 km walk.
He entered his first Olympics in 1996 and took gold in the 50 km walk.
He became the first athlete to claim gold for both the long distance and short distance race at the 2000 Olympics.
He married Agnieszka Korzeniowski in 2002.
He won gold at the 2004 Olympics where swimmer Michael Phelps won six gold medals.