This volume presents articles which focus on the ethical evaluation of performance-enhancing technologies in sport. The collection considers whether drug doping should be banned; the rationale of not banning ethically contested innovations such as hypoxic chambers; and the implications of the prospects of human genetic engineering for the notion of sport as a development of natural talent towards human excellence. The essays demonstrate the significance of the principles of preventing harm, ensuring fairness and preserving meaning to appraise whether a particular performance enhancer is...