Arboretum intervals

Rx'd run (part 2 from today's CFD WOD)
1 min @ 50%/1 min @ 90%
2 min @ 50%/2 min @ 90%
3 min @ 50%/3 min @ 90%
4 min @ 50%/4 min @ 90%
3 min @ 50%/3 min @ 90%
2 min @ 50%/2 min @ 90%
1 min @ 50%/1 min @ 90%

I cut some of the last sprints short and walked the 50% sections because of foot injuries: a big blister right underneath the ball of my right food, and a bloody stubbed left toe. Ow!