In order to promote the 40th Ibercaja Popular Race among digital natives we developed a running competition in Virtual Reality.
The user, in an immersive 3D environment, had to wave his arms vigorously to reach the goal in the shortest time possible. He also had to move laterally to avoid obstacles or catch 'power-ups' as extra speed.
This is so much better than going to the gym, I loved it! I'm exhausted with the effort.