Geraint Thomas (Photo by Tim de Waele/Getty Images)The Ineos rider will undertake the challenge over three consecutive days next week, mirroring NHS workers' shifts
Set a cyclist a bizarre and near-impossible challenge and they’ll go to any lengths to achieve it. So it is with the intrepid band of tile-baggers seeking to cover the globe in tyre tracks one mile square tile at a time, writes James Shrubsall