Dunn wuxuu bilaabay inuu u shaqeeyo UK Athletics sanadkii 2001 waxaana loo magacaabay maareeyaha waxqabadka Paralympic sanadkii 2009. London 2012 ka dib
, waxaa loo dalacsiiyay jagada tababaraha madaxa Paralympic, isagoo badalay Peter Eriksson. Waxay tahay tababaraha ugu horreeya ee haween ah ee ay magacawday UK Athletics.