The use of whips in horse racing is increasingly scrutinized by welfare science, with evidence that whipping causes pain and stress without the performance benefits traditionally claimed.
The debate over whip use in horse racing illustrates how scientific evidence can drive welfare reform in sports that are resistant to change. The claim that whipping is necessary for safety — to keep horses straight and prevent falls — has been evaluated and found weak by welfare researchers. The claim that it improves performance in the final straight has been tested and found not to hold at the population level. This removes the utilitarian justification for whipping while the welfare harm from pain-sensitive skin being struck repeatedly remains. Gradual regulatory tightening has occurred, but full bans or serious restriction remain contentious in racing governance.