Pedzisa mutsara unotevera: Pazera ramakore masere, Maguire akatanga bhora rebhasikiti riri muwiricheya, kwaakarovedzwa naJosie Cichockyj. Iye zvino anodzidzisa paKirkby Athletics Club. Magurie akahwina makwikwi evanhu vari pasi pemakore gumi nemanomwe emumhanyi wemarathon mudiki ku
2014 uye 2015 London Marathons. Muna 2016, Maguire aive chikamu cheBritish 4 × 400 metres relay timu iyo yakahwina iyo 2016 IPC Athletics European Championships isiri menduru chiitiko.