With over 15 years and over 3 million implantations worldwide, Triathlon has a long clinical history.^1-3 In a 10-year follow-up study, Triathlon showed 99% survivorship.³ Triathlon was designed to incorporate some of the most studied features of Stryker’s prior designs that have been shown to address many of the main reasons for revision TKA, such as instability, patellofemoral tracking complications and loosening/osteolysis.³