In February 2016 UK Anti-Doping (UKAD) has reported an anti-doping rule violation against the Athlete Nathan Darby after his sample tested positive for the prohibited substances Nandrolone, Oxandrolone and Trenbolone. After notification a provisional suspension was ordered.
The Athlete gave a prompt admission for the intentional use of these substances and with a high level of fault UKAD decides on 24 May 2016 to impose a 4 year period of ineligibility on the Athlete starting on the date of the provisional suspension, i.e. on 12 February 2016.