These disputes are often front page news, such as the referral to CAS of the International Olympic Committee's (IOC) decision to ban athletes from the Russian Federation. The Russian athletes' appeal against the IOC decision not to invite them as neutral competitors was lodged at 8.30am on 6 February 2018 and resolved by CAS (in the athletes' favour) following two days of written and oral submissions, on 9 February 2018. Whilst for such competitions CAS establishes expedited arbitral tribunals with an emphasis on being able to render decisions quickly, outside of competition time a number of CAS cases are similar to any other commercial arbitration. As the business of sport booms, this article provides an introduction to CAS and how it operates to successfully resolve sporting disputes.