The rat race is being taken to new heights at the highest running track in London, which officially opened yesterday at the White Collar Factory. Located in the "tech belt" hub around Old Street's "Silicon Roundabout", the 293,000 sq ft development comprises six buildings featuring studios, incubator workplaces, apartments, restaurants and a cafe, reported City A.M.

The two-lane, cushioned "rubber crumb" circuit is on the 16th floor, with 150m of track, reported the Evening Standard.