The Challenge is a 1970 madefortelevision movie starring Darren McGavin and Mako. Director George McGowan chose to hide his involvement by using the pseudonym Alan Smithee. This was the last film appearance of Paul Lukas.
However, both countries cheat, each covertly sending a second man. Outraged, Gallery and Yuro eliminate their backups and continue with their deadly contest. In the end, Gallery emerges victorious, but before he can signal the outcome, he succumbs to his wounds.
Source: Wikipedia