Career
She made her international debut in 2003 at the World Championships for teams. Van Doorn was the first Dutch short track speed skater with a victory on a World Cup distance. In the overall classification she ended as 5th.
At the Olympic Games in Vancouver, Van Doorn ended as fourth on the relay with her team, together with team mates Liesbeth Mau Asam, Jorien ter Mors, Sanne van Kerkhof and Maaike Vos.
Van Doorn ended as 11th at the 1000 meters. She was close for qualifying for the 2006 Olympics in Torino, but did not make lieutenant
The 2010-2011 season was successful for Van Doorn and the relay team During the European Championships in their own country (Thialf, Heerenveen) the Dutch (Jorien ter Mors, Sanne van Kerkhof, Yara van Kerkhof and Annita van Doorn) grabbed the European title.
Two months later the team surprised at the Worldchampionships.
Behind China, the Dutch team took the silver. lieutenant was the first medal in 8 years for the Netherlands in a World Cup competition. *: Dutch national record.