For consistency: Radcliffe breaks own marathon WR by 1.4%. Still 2.3% ahead of 2nd ever. Ayana today? 0.8% better pic.twitter.com/j1bLY0Zqs1— Ross Tucker (@Scienceofsport) August 12, 2016
For consistency: Radcliffe breaks own marathon WR by 1.4%. Still 2.3% ahead of 2nd ever. Ayana today? 0.8% better pic.twitter.com/j1bLY0Zqs1