Kammala wannan jumla: Avery ta lashe lambar farko ta kasa a shekarar 2014, inda ta lashe sama da mita 1500 a Gasar Wasanni ta Ingila. Ta kuma kasance ta shida a tseren mita 5000 a Gasar Wasannin Wasannin Burtaniya, bayan da ta inganta mafi kyawunta zuwa mintuna 15:35.12 a farkon wannan kakar. Ta fara samun ci gaba a cikin rukunin 'yan kasa da shekaru 23 a shekara mai zuwa, ta fara da nasara a tseren mita 10,000 a Penn Relays. Ta lashe tseren mita 5000 a gwajin 'yan kasa da shekaru 23 kafin ta ci gaba da daukar lambar tagulla a wannan taron a gasar
2013 Gasar Zakarun Turai na 'Yan Wasanni na U23, wanda daga baya aka inganta shi zuwa azurfa. Ta yi rajista a Kwalejin Iona a Amurka a ƙarshen shekara kuma ta fara gasa don ƙungiyar kwalejin su ta Iona Gaels. Gwaninta na farko na koleji da sauri ya biyo baya a gasar zakarun NCAA Division I ta 2013, inda ta kasance ta uku. Wata daya daga baya ta raba taken kungiyar 'yan kasa da shekaru 23 tare da Burtaniya a Gasar Cin Kofin Turai ta 2013, bayan da ta kammala ta hudu a bayan abokiyar wasanta Charlotte Purdue.