In your modified analysis, 5-10s over 13:00 is 0.64% - 1.28% for these non-African males.
Subway Surfers Addiction wrote:
Forgetting about Moorcroft for a moment, as it would be great if he was clean but we have no evidence of anything other than a very purple patch in the middle of 1982. But to test Rekrunner's hypothesis that westerners (for me this means white folks) did not improve during the EPO era over 5,000m, instead of focusing on Moorcroft's 13-flat, a far superior analysis would be to focus the 2nd, 3rd, 5th & 10th best times by westerners by the 1983-1987 period. My very lazy analysis (because world rankings by year don't rank by time and I'm not paying some online subscription) I found runners like Mamede running 13:08 (1983), Ryffel 13:07 (1984) and Cova & Mei did around 13:10-11. If we fast forward to the late 1990s, Baumann as we know, did 12:54 (1997), but Kennedy did 12:58 (1996), Mark Carroll ran 13:03 (1998) other people can point out other times here but we can see a clear 5-10s improvement in the EPO era over times done during a period of minimal testing for steroids (no OOC) and no ability to detect blood transfusions. This was really little more than 10 years.
Interestingly, outside of Mottram, white/westerners may to have slowed after the introduction of the first epo test in 2000 before Nike/Oregon linked runners (and True) began to shift the needle from 2010. From this mediocre analysis alone westerners likely did benefit from EPO.