A devastating burst from the 34th kilometre saw Ethiopia’s Tamirat Tola shatter the men’s marathon field on Sunday and claim gold at the athletics world championships in Eugene. Oregon. The 30-year-old Tola ran with the lead group for 33 of the 42.1 kilometres of the race until he split a remarkable kilometre in just over 2 minutes 40 seconds. His pace barely slowed in the next couple of kilometres to leave the rest of the field chasing the minor medals, though he did he eased up slightly for the last few to claim the biggest title of his career in a championship record 2:05.35 hours. Tola’s c…