Complex sentence: In addition, the distance from the starting line to the first hurdle-while shorter for women-is constant for both sexes whether indoors or outdoors, so sprint hurdlers do not need to change their stride pattern between indoor and outdoor seasons.
Split into simpler sentences: In addition, the distance from the starting line to the first hurdle-while shorter for women-is constant for both sexes whether indoors or outdoors. Therefore, sprint hurdlers do not need to change their stride pattern between indoor and outdoor seasons.