 At the 2001 IAAF/Westel World Youth Championships, Cuddihy qualified for the final of the 400 metres by finishing second in her heat with a time of 54.16, a season's best.On 14 July, Cuddihy finished fifth in the final at the World Youth Championships.The following year at the IAAF/Coca-Cola World Junior Championships in Kingston, Jamaica, Cuddihy finished sixth in the final.