1. Introduction
2. Social Innovation in Sport: An Introduction to the Theory
3. Social Innovations and Social Entrepreneurship in Sport
4. Practice Occludes Diffusion: Scaling Sports-Based Social Innovations
5. We App to Move' - A Co-Created Digital Platform to Support Self-Organised Sporting Activities Among Socially Vulnerable Youth in Bruges
6. Social Innovation, Sport and Urban Planning
7. Social Innovation and Challenges in Youth-Based Sport Practices: an Analysis of State-led Programs
8. Social Innovation and Virtual Sport: A Case of Esports in Norway
9. Footbag Freestyle: Innovation in the Organization and Practice of Sport
10. Social Innovation and Fitness Sports: A case of the CrossFit Movement in North America
11. The Wonderful World of Quidditch: An Innovative Model of Gender Inclusivity
12. "Introducing" roller derby: An old sport made new and innovations in gender policies
13. The creation of STUNT cheer: A story of cheerleading, Title IX, and the gender politics of sport
14. Social Innovation in Sport: Implications and Directions for Research.