gym - treadmill 30:00 [4] 2.37 mi (12:40 / mi)
shoes: Brooks Ghost 11
Started at 4.0, going up 0.5 each minute
At 6.0, went 4 minutes
Then down 0.5 for 3 minutes each
(Basically putting more of the faster running segments together in bigger blocks)
For last ten minutes, went up 0.5 each minute and then back down.