Tusi se faʻaauau mo lenei palakalafa - Na faia e Courtney ni faʻaleleiaga tetele i lana 800 m ma le 1500 m sili ona lelei i le 2013 ma manumalo ai i le mea mulimuli i le BUCS Championships i totonu ma fafo i lena tausaga. I le 2014 indoor vaitau na ia manumalo ai i le Welsh indoor title ma tulaga tolu i le 2014 British Indoor Athletics Championships. O le 2015 vaitau na vaʻaia ai lona paʻu o lona 800 m ma 1500 m sili ona lelei i le 2:05.48 ma le 4:09.74 minute ma na ia faia lana faʻavaomalo faʻavaomalo i le 2015 European Athletics U23 Championships, faʻatulagaina lona sefulu i le 1500 m. E ui lava na ia tulaga fitu i le 2016 British Athletics Championships, ae na ia tamoʻe i se taimi sili ona lelei o le 4:07.55 minute ma maua ai le filifiliga mo le 2016 European Athletics Championships, na tauva i le taʻamilosaga muamua. Na ia aufaatasi ma Cameron Boyek, Sarah McDonald, ma Tom Marshall e ave se pine auro i le sauniga amata o le faʻafefiloi faʻafefiloi i le 2017 European Cross Country Championships
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