Gender differences in wheelchair marathon performance – Oita International Wheelchair Marathon from 1983 to 2011 In many studies, the performance of swimmers, cyclists, runners and triathlets has already been studied, but nobody has studied how racing roller trips have developed over time. In Japanese Oita, the traditional, Oita International Wheelchair Marathon will take place.For the period 1983 to 2011, we examined the performance of wheelchair users and the difference between men and women. The results can be found under https://www.dovepress.com/gender-differences-in-wheelchair-marathon-performance-ndash-oita-erformance-reviewed-fulltext-article-oajsm