In 2013 Morris was again chosen to represent Great Britain, this time at the IPC World Championships in Lyon in the 1,500m (T20), finishing in eighth place. Although Morris did not attend 2014 European Championships, he was selected for the 2016 IPC Athletics European Championships in Grosseto. He competed in both the 800 metres and 1,500m finishing fourth and fifth respectively. In the build up to the 2016 Summer Paralympics in Rio, Morris recorded personal bests in the 800m (1:56.06) (British Record) and 1,500m (3:56.24) (European Record) both set in July. In late July Morris was confirmed as a member of the Great Britain team to compete at the Rio Paralympics.