Nyorai kuenderera mberi kweiyi ndima - Akakwikwidza pa2008 World Junior Championships mumakwikwi e1500m. Haana kufambira mberi kupfuura kupisa kwekutanga, achipedzisa nenguva ya4:26.28. Mumakwikwi eEuropean U23 Championships
muLithuania, Treacy akaiswa pachinzvimbo chechi18 mumakwikwi emamita 1 500. Mugore rakatevera reEuropean U23 Championships akaisa nguva yake yakanakisa mukutanga kupisa kwe4:16.32, iyo yakamukodzera kumagumo. Pakati pevanhu gumi nevaviri vakapinda mumakwikwi okupedzisira, akapedza ari wechi10 nenguva ya4:25.97. Gare gare akaendeswa kunzvimbo yechipfumbamwe apo Yelena Arzhakova akarambwa.