As a man who's recently lost 60 pounds, I can tell you that running now vs. 60 pounds ago is like night and day.
Congratulations on your weight loss!
After leaving the service I got up into the high 190s (6’1”) for awhile. Played some sand-lot football and pickup basketball. Then my girlfriend (the future Mrs. JimRed, 44 years now) introduced me to skiing, helping her chaperone a high school ski trip. I got hooked, and started running a little to get in decent condition. That led to signing up for one of the first five mile runs in our area, in our town. Hooked again; finished 125th out of about 500 on little training base and was told it was amazing. Six years later I toed the starting line at the Boston Marathon at 157. Broke three hours. People who hadn’t seen me for a while asked if I had cancer!
Fast forward: now 178-182; rec b’ball 2-4 times a week, jogging through a few 5Ks and five milers, but one arthritic knee prevents serious training. Still, God’s been better to me than I deserve.