She won another silver medal at the European Championships, then had greater success when she took the gold and the World title in Cancún, Mexico in November 2002.

On 28 March 2008, at the Ford Ironman 70.3 California triathlon, Cave came in third place behind Erika Csomor and Mirinda Carfrae.

On 30 April 2011, Cave won the Wildflower Long Course triathlon held at Lake San Antonio, California.

About 3 miles from the finish, Cave overtook Switzerland's Caroline Steffen who had held the lead in the run from the start and then went on to win the race.

In 2014, Cave started the year focusing on short course triathlons in a bid to make the Team Wales Commonwealth Games Squad, which despite a series of good results in qualifying competitions, including a win at Valparaiso ITU World Cup on 30 March 2014, ended with her non-selection for the games.