A clean sprinter today would probably have more chance of going to Mars riding side saddle on a Saturn 5 rocket than beating East German athlete Marita Koch's 400m world record set in the World Championship Final in Australia in 1985. Starting in lane 2, by the 200m mark she had made up the stagger on the women in all 6 lanes outside her, and entered the home straight with just one athlete(Russian - say no more) within 40m of her. In the 30 years since, despite the huge improvement in training regimes, diet, shoe technology, and track surfacing, no woman has got within 13 metres of that record.
https://www.youtube.com/watch?v=OD4OUTXvtRU
Marita, an Olympic and World Champion broke 31 world records at distances from 60m through to 400m, was subsequently found to have been systematically doped by the East German state throughout her long career, yet never tested positive once in competition(you're in an exclusive club Lance).
Koch's 200m world record was finally broken by an athlete from the same era who Marita used to routinely beat by around 5m in major championship races over the distance - the athletes name? American 'superstar' Flo Jo - who miraculously improved out of all recognition very late in her career to break the 100m and 200m WR's, which still stand - Flo Jo retired almost immediately afterwards, and just prior to the introduction of out of season testing being introduced. Hmmmmmm.
Sadly, many utterly deluded Americans to this day will swear on a stack of bibles she was clean when she broke those records!
I had a photograph of Flo Jo 2 years before her WR breaking exploits and one at the time she broke those records. And took them into a top London hardcore gym where elite level women bodybuilders trained. Without letting them see Flo Jo's face, i asked them if the woman in the photo's could have changed her appearance naturally, just through hard training and good nutrition.
They were adamant her physical change had not been achieved naturally. I said "how can you be so sure?" Because "we have used just about every strength and muscle building PED on the market, and know the side effects/body changes associated with each group of these drugs - she is displaying some of these 'side effects' to the extent that we can actually tell you the specific type of PEDs' she has been using!"
Likewise, the Olympic Weightlifting world records set in the 1980's before any serious drug testing took place at major championships, were so off the charts the International weightlifting Federation changed all the bodyweight classes in the 1990's to effectively annul the records.
Yuri Zackharevich the Russian weightlifting superstar of the 1980's in the 110kg Class (set 38 WR's and never tested positive Lance), broke his own snatch world record twice in 1988 Olympics, with a final lift of 210kg. In the 27 years since, only two men in the unlimited Super Heavyweight class(both nearly 10 stone heavier than Yuri) have managed to beat Yuri's snatch record - the super heavyweight snatch WR now stands just 4Kg more at 214kg.
https://www.youtube.com/watch?v=PFtFQnNu0OI
The 1988 Olympic Weightlifting Championships produced some individual performances that were so far off the charts, it could be argued some were as equally ridiculous as Marita Koch's 400m world record.
For anyone to believe a clean lifter could get remotely near those 1988 performances is being naive in the extreme - by way of example: Bulgarian Angel Guenchev, won the Gold medal in the 67.5Kg Bodyweight Class with WR's in the Snatch, C&J and Total - his astonishing 202.5Kg C&J made him the heaviest man on the planet to lift three times bodyweight( at the time the other three men in the elite 3 times bodyweight club all weighed under 60Kg).
https://www.youtube.com/watch?v=8FIo4RaoAWc
In the 27 years since, only Laio Hui the Chinese superstar lifter(generally considered the best pound for pound lifter in the sport for decades) has come remotely close to matching Guenchev's records, when he broke the C&J WR in the 2010 World Championships with a lift of 198Kg, in the new 69Kg Bodyweight Class - only to subsequently have it annulled for failing a drugs test (he got a 3 year ban).
https://www.youtube.com/watch?v=AoUFDN1Nh5o ( starts around 9m 25s)
Laio Hui served his ban and returned to competition at the 2013 World Championships - where astonishingly, he again demolished the field, setting a new WR in the C&J of 198Kg - the best weight he had ever managed when testing positive for PED's).
https://www.youtube.com/watch?v=FRpwuOwoK8o
PED use in pro cycling during the last decade clearly was very widespread, but it was probably worse in eastern bloc women's Athletics and Olympic Weightlifting in the 1980's. Today, since very few Eastern European Nations, ex Soviet States, China or North Korea do any meaningful drug testing out of competition, the PED problem in Olympic weightlifting has not really improved that much - and is the principal reason why a Brit or American has never won a Olympic Weightlifting medal for over 40 years.
In all seriousness 
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