HERHOR/gfycat
The Rio Olympics have been filled with problematic examples of how the best materials aren't readily available at all times. Case in point, racing organizers fixed a hole in the track at the Olympic velodrome with some cardboard and duct tape.
After Dutch cyclist Joost van der Burg crashed during Thursday team sprint event, he left a sizable hole in the track. Pressed for time, organizers covered up the hole with duct tape and cardboard.
According to The Independent, tactics like these are common when a quick fix is required on wooden cycling tracks.