Christie briefly got here out of retirement in 1999 to race in Dortmund, Germany, as a way to settle a guess with the athletes he was teaching.

He received the race – on the age of 38 – however afterwards examined optimistic for banned anabolic steroid nandrolone.

UK Athletics discovered Christie not responsible, however that call was overturned by the Worldwide Newbie Athletic Federation (IAAF), which banned the previous Olympic champion for 2 years.

Professor Ron Maughan was one of many UK Athletics anti-doping panellists who labored on Christie’s case.

Within the movie, he explains the panel’s position was “to show guilt past cheap doubt”.

Christie’s pattern was about 100 instances the edge degree.

“You suppose that is an terrible lot,” says Maughan, “however the quantities are so small, they might have completely no physiological impact, however they might set off a doping check.”

Nandrolone might be present in sure dietary supplements, and from 1998-2000 there have been a spate of athletes returning optimistic exams.

Former European 200m champion Dougie Walker, and Britain’s former primary 400m hurdler Gary Cadogan additionally had two-year bans imposed after the IAAF overturned UK Athletics verdicts.

Referring to the inconsistency between UK Athletics and the IAAF, Christie instructed BBC Sport “you will have your governing our bodies – you need to permit them to make their choices”, including: “UK Athletics exonerated me.”

Christie was dropped from the BBC’s protection of Sydney 2000, exterior following his ban, and largely disappeared from screens afterwards.

“For 2 years, I did not earn a penny and spent just about all my financial savings attempting to show my innocence,” says Christie.

He instructed BBC Sport if he was discovered harmless now, it might not make any distinction.

“On the finish of the day, they can not give me again what I’ve misplaced,” he mentioned. “They cannot give me again the emotions I went by.”