A decade ago I was vaguely aware of Parkour and Freerunning then it suddenly exploded. It was prominetly used in four films released in the UK in a year: District 13 (made in 2004 released in the UK July 2006), Casino Royale (November 2006), Breaking and Entering (November 2006), Die Hard 4.0 (July 2007). Given the fact that a few years before that Zombies learnt to run, it was only a matter of time before the two things came together.
Director Scott Bass was hired to make this short based on computer game Dying Light. The zombie pursuit was shot in Cambridge utilising the cities rooftops and was shot using a head-cam. At the time of writing the film has been online for five days and has had just under 2.9 million hits.