The film required a tremendous effort to blend the split screens pairings of athletes together seamlessly - to tailor each and every shot to make that look effortless. In total there were 1,040+ hours of compositing and 4,000 action sequences researched. The final spot features 72 sequences, 24 sports, and 53 athletes. When you watch the final film, it feels seamless. We had to be creative and find ways to painstakingly reconstruct backgrounds, create stadiums, remove and rebuild people and entire backgrounds, in order to follow tracking shots. In order to do this kind of VFX and make it undetectable, we’d go through all possible footage and find areas where we could rebuild the background and then re-project it, so that it had some shape and dimension to it, and then we would track it back into the shot. Then, we rotoscoped in our hero athletes and body parts.