I've found this summer's Olympics to be very encouraging. Though the gymnasts are mere babes, there are many other highly competitive athletes at these games that are still older than me AND they have a child!
Photos of Olympic Moms
Now add to that list yesterday's winner - by a lot! - of the women's marathon, Constantina Tomescu. In addition to having a kid, at 38, she was the oldest competitor to ever win this event.
I find this all especially helpful for morale at this juncture as I begin my recovery from baby #3. Jogging short intervals this morning was highly successful with Turkey #2 in the single jogger. Turkey #3 passed my "Floppy Head Test*" so she's ridden in the stroller for walks, but jogging is right around the corner - on very smooth paths. Despite her tender age, she is not a small baby.
* Somewhat arbitrarily created when our new-parent friends called us inquiring if we thought it was OK for them to take their 1-month old out for a jog: if you pick up the baby under his arms and he is able to hold up his head (i.e. it does not flop over), I think it is probably fine to put them in a reclined, 5-point harness jogging stroller for a smooth route. Remember, however, I do not actually possess any authority or expertise to make this call.