Pedzisa mutsara unotevera: Anopofumadzwa zviri pamutemo, uye anomiririra Australia munyika yose mumitambo mitatu: kuita ski, mitambo yokumhanya nokutasva bhasikoro. Kunze kwezvaakabudirira kuita pakusvetuka, akamiririra Australia mumutambo wenhabvu kuma2012 Summer Paralympics muLondon, uye akahwina menduru yesirivheri nebronze kuma
2011 Christchurch IPC Athletics World Championships mukusvetuka kureba uye nepfumo, zvichiteerana. Akamirirawo nyika yeVictoria semudiki mu netball uye basketball. Gallagher akasarudzwa muchikwata cheAustralia chekuchovha bhasikoro nemutyairi wake Madison Janssen ku2016 Rio Paralympics. "Chinangwa chake chenguva refu ndechokuva muAustralia wokutanga kuwana menduru paMitambo yeOlympic kana kuti yeParalympics yezhizha neyezhizha". Izvi zvakawanikwa paakakunda menduru yebronze mumakwikwi evakadzi eB / VI 1000m nguva muRio.