Astrid Loch-Wilkinson (born 14 September 1982) is an Australian bobsledder who has competed since 2003. She was born in Sydney and educated at Abbotsleigh, Wahroonga and Sydney Unversity, where she qualified in Veterinary Science. Astrid was a national finalist in 400 metres hurdles. She took up bobsleigh at the suggestion of Hanna Campbell-Pegg, Australia's first Olympic woman luge competitor. Astrid has been in two Winter Olympics, earning her best finish of 14th in the two-woman event at Turin in 2006. After Turin, her brakeman Kylie Reed retired and Loch-Wilkinson did not compete the following season because of the high costs involved. She made a come back in late 2009 in the Americas Cup and Europa Cup. After an appeal to the Court for Arbitration in Sport, Loch-Wilkinson and Brakeman Cecila McIntosh were allowed to compete at the 2010 Olympics in Canada.They placed 19th in an event marred by spectacular crashes by the British and Germany 2 teams. After attracting a corporate sponsor, Loch -Wilkinson set about rebuilding a new team with better equipment and competed in Europe in 2010 - 2011. In that season she finished 10th and 9th in Europa Cup in Igls and 8th in Cesana Pariol in Italy in fields of up to 20 sleds that included 4 Olympic finalists from 2010.In January 2011 Astrid and brakewoman Jamie Hedge were readmitted to the elite World Cup Tour, their best placing being 13th in the final race in Cesana Pariol, prior to the World Championships in Koenigsee.
Loch-Wilkinson finished 23rd at the FIBT World Championships in the two-woman event at Calgary in 2005. Her best World Cup finish was 13th in the two-woman event at Cesana in 2011. With Jamie Hedge she won a bronze medal in Europa Cup in January 2011.At the FIBT World Championships in Könnigsee in February 2011 she finished 14th of 22 sleds,with novice brakeman Fiona Cullen. She will compete in the World Cup Tour in 2011/2012. In late 2010 Astrid married Vuk Radjenovic, the Captain of Serbia's 2&4 man bob teams. They live in Brisbane, Australia, during the northern hemisphere summer months.