Originally Posted by
JeffOYB
...and for the working Masters w little kids who can get out 3-4 times a week for like 1.5 hrs?
Your question doesn't seem to be an age thing, but rather just a time thing. If you can only get out 3-4 times a week with a max of 1.5 hours I'd probably do 3 1.5 hour sweetspot days and 1 1 hour threshold session. Save VO2max work for right before the start of the race season 4-5weeks.