Was in training when I had mine done so the doc did it in my garage while I was on the turbo, had to do a 15 min standing sprint so he could get to me tackle. Nowt to it, did a PB 10Omiler in the afternoon. 😯
In reality, take it easy after the op for as long as you can, rely on the wife and kids to be your slave. Avoid doing anything strenuous, do what the nurse tells you hygene wise and you should be back on the bike and firing blanks within a fortnight no problem.
You will have black plums for a few days though.