Indoor track sprint session

I was going to swim, but decided to do a sprint workout indoors at lunch today instead. The University of Alberta has outstanding athletic facilities including an excellent indoor track and I decided to use it. I haven't done sprints (other than swimming sprints) since the snow flew, so I was looking forward to it.

Here's the deal:

• ~ 5 min of alternating jogging/walking on the track warm up
• stretching
• 6 X ~ 60 m sprints @ 50-60 % with ~20-30 s walking between each
• 6 X 60 m sprints @ 85% in about 12-14 s with ~ 60 s rest between each
• ~ 5 min of alternating jogging/walking on the track
• stretching

I definitely felt it when I was done. I need to do this more regularly. This break led nicely into a productive afternoon and undoubtedly will lead to a solid sleep tonight.