Been picking up the mileage recently ahead of the London Marathon (106km, 82km, 95.7km totals for the last 3 weeks). Last week's hard session was a warm up followed by 5x 1.6km (2:15 rest), a 6.4km block and a cool down. Then did a 10km tempo at the weekend in 38:53.
Hit the first 4 reps in...