caption country retired birth_place imagesize medaltemplates birth_date titles image article_title name turnedpro
tonny de jong netherlands 2003 scharsterbrug , netherlands 250px sport women 's speed skating 17 july 1974 no tonny de jong.jpg tonny de jong
 tonny de jong 1995
tonny de jong

tonny de jong -lrb- born 17 july 1974 in scharsterbrug -rrb- is a former dutch speed skater , who was raised in heerenveen and now lives in calgary with canadian speed skater mark knoll , whom she married in 2003 .
she won three dutch allround championships and numerous gold medals on the 3000 m and the 5000 m at the dutch single distance championships .
in 1997 and 1999 she became european allround champion .
de jong was the first skater who mastered the clap skate .
after the 2002 winter olympics , where she had little success , she ended her speed skating career .
