She entered three events and won silver medals in two, the 100 metres and the 400 metres. In both she was beaten by Great Britain's Hannah Cockroft, the long-time dominant competitor in the women's T34 sprint events, but with a time of 18.55 seconds in the 100 metres, Halko set a new North America record. The following year she qualified for the 2016 Summer Paralympics in Rio, where at the age of 16 she was the youngest member of the American track and field team.
Hannah Cockroft
Halko