I can see that a nice masturbation would really add something to your run, especially if you treat it as an incentive to get you through the last mile. In general a nice wank or fingering (or toy) and sweet orgasm is always good for your wellbeing, ans sure a Great start to your day. Us guys have always enjoyed masturbating, and i think it's fantastic that more and more women are fully enjoying For Themselves the Amazing pleasures their bodies can give them.
I like the idea. I sometimes get aroused while exercising but I wouldn't say it's part of my normal routine to get off after exercising.