Transgender athlete Rachel McKinnon successfully defended her track World Championship title in Manchester. McKinnon became the first transgender racer to win a rainbow jersey last season, competing in the 35-39 age category sprint during the UCI Masters Track World Championships in Los Angeles.The Canadian returned to defend the title in the 2019 Masters Worlds in Manchester last weekend, where she set a new world best time in qualifying and went on to take gold in the sprint for a second consecutive year.