Hampden footy pitch becomes an athletics track
12 March 2014 Last updated at 15:54 GMT
Hampden Stadium in Glasgow is to host the athletics at this summer's Commonwealth Games.
But to turn the footy stadium into an athletics track, some big changes were made,
The pitch had to be raised 2 metres on a bed of metal stilts.
It took almost three months, but you can watch the transformation in just one minute above! The Commonwealth Games run from 23 July to 3 August.