Notes
5x1km with 3min rest
3:35 (up), 3:32 (down), 3:42 (up), 3:42 (down), 3:38 (up)
decent push at the end, but have to get the speed up!! this is too slow. i've run 5km faster than sum of these intervals. maybe the 8kgs (i'm 91!) extra is slowing me down a lot. big focus on food the next month.