Nyorai kuenderera mberi kwechikamu chino - Harrington akapedza mavhiki anodarika mazana matatu ari munyika gumi yepamusoro pakati pa2001 na2010. uye akawana chinzvimbo chake chakanakisa chechitatu zvichitevera kukunda kwake kwechipiri kweOpen Championship. Akatambawo kuEurope mumakwikwi matanhatu eRyder Cup; akarasikirwa muna 1999 na2008
, asi vakakunda muna 2002, 2004, 2006 na2010. Akakundawo makwikwi epar-3 kuAugusta National, yakaitwa zuva risati rasvika The Masters, muna 2003 (tie), 2004 uye 2012 (tie).