Intervals 26:00 [4] 5.0 km (5:12 / km)
5 times 1 k with HM. 1st flatter, 2nd basically all up, 3rd a bit up and down, 4/5th down / flatter. Circa 2 mins, except on the last one where some lost teenagers asked us where they were (they were off their orienteering map they had on the phone).