 Ramba uchiverenga ndima ino - Mugumo wake wakanaka kwazvo paWorld Cup waiva wechi15 mumutambo wevanhu vaviri muSweden muna 2006. Barnes akanakisa kupedzisa paBiathlon World Championships yaive 39th mumutambo wekutsvaga kuPyeongchang muna 2009. Mumitambo yeOlympic yechando ya2006 muTurin, Barnes akapedza ari wechi64 mumutambo wega wega. Mumitambo yeOlympic yeChando ya2010, akapedza ari wechi78 mumakwikwi ekumhanya kwemakiromita 7.5. 