UK Athletics: number of anti-doping athlete tests from 2013 to 2016, by type

* Figures refer to samples collected by UK Anti-Doping at athletics competitions in the UK as part of the UKA/IAAF/IPC/EAA doping control programs. Figures refer to the number of athlete tests from British and international athletes. Please note that more than one sample may be provided from an athlete during the quarter. Multiple samples from the same athlete in one testing session count as one.
** Figures refer to athlete tests collected from UK athletes as part of the UK anti-doping out-of-competition testing program. Includes samples collected from UK athletes abroad as part of the UK program. Please note that more than one sample may be provided from an athlete during the quarter. Multiple samples from the same athlete in one testing session count as one.