Sports Science is a new and evolving industry. There is a great potential in this domain which will be realised by capturing and analysing the performance data of the elite athletes and displaying all relevant information to them for better decision making and performance improvement. Establishing reliable systems to achieve performance monitoring in the sports science domain require hardware sensors, firmware and software algorithms work coherently. Such complex systems having also cyberphysical characteristics would bring their own challenges. In this paper, first we present the challenges related with the domain and the development environment based on our experiences in the STATSports Company. Then, we discuss how we adopted agile software development practices to overcome these challenges in a phased approach.