There have been muscular women in track & field for a century<p>Because women were not allowed to race longer than 800m (eventually 1500m in 1972) they developed extreme fitness at those shorter distances.<p>If you look at old photos they were very muscular despite not having modern fitness equipment or doping drugs.<p>If you look at modern 100m-800m elite women, some are even more muscular than bodybuilders.