Ewan competed in the Glasgow 2014 Commonwealth Games in the 4 x 100m and 4 x 200m freestyle relay events.
Ewan represented New Zealand at the 2009 Australian Youth Olympic Festival, where he placed 4th, and was a multi-medalist at the 2014 Oceania Championships in Auckland.
Ewan's Games History
FISU Summer Universiade Gwangju 2015
Commonwealth Games Glasgow 2014
- Final: 7:14.63 Heats: 7:19.69
- Final: 3:19.88 Heats: 3:20.94
Australian Youth Olympic Festival Australian Youth Olympic Festival 2009
- Heat: 2:11.82 (PB by .50s) Final: 2.07.84
- Heat: 1:58.48 (PB by 0.04 secs)
- Final: 4.28.31
- Final: 7:50.10
- Heat: 4:16.08
- Heat: Final: 3.34.62