Workers' sport

sport in which athletes receive payment for their sports performance

The Spartakiad (or Spartakiade) was an international sports event that was sponsored by the Soviet Union. Five international Spartakiades were held from 1928 to 1937. Later Spartakiads were organized as national sport events of the Eastern Bloc countries. The games were organised by Red Sport International.

sporting events for police officers and firefighters

The CSIT – International Workers and Amateurs in Sports Confederation (also known as International Labor and Amateur Sports Confederation) (French: CSIT - Confédération Sportive Internationale Travailliste et Amateur, CSIT) is an international multi-sports organization. It was established as the successor to the Socialist Workers' Sport International and, as such, celebrated its centenary in 2013. The core principles of contributing to physical activity and sports have stayed in its action policy; upholding the right of men and women to do sports no matter what their professionalism levels are

1925–1937 international sporting event series

socialist Sport International: 1920, Lucerne, Switzerland