my pattern for M-W-F is:

walk for 10 mins at 20 mins per mile
run for 5 mins at 8:34 per mile
walk for 5
run for 5
walk for 5
run for 5
walk for 5
run for 5
walk for 10

T-Th-Sa

walk for 45 mins
10 mins on stair master 
lift weights for 10 mins