Clare became a trainee with BBC National Radio in 1994, working on 5 Live, Radio 1 (presenting the sport on the "Chris Evans Breakfast Show"), Radio 2 and Radio 4. In June 1995, she made her debut as a television presenter, introducing highlights of Royal Ascot. The following year she began presenting live, and in December 1997 she became the BBC's lead horse racing presenter after the retirement of Julian Wilson, and has fronted coverage of the Grand National, infamously humiliating Liam Treadwell, Grand National winner 2009.