Gym (Treadmill) 26:22 [3] 4.2 km (6:17 / km) +20m 6:08 / km
shoes: Reebok Floatride
Intervals at 6(2%hill), 8,7,5 min km. Didn't mean to have the hill immediately after the sprint but it worked out ok. And the slower recovery made the sprints achievable.