So you need to run with a baby…
When I was pregnant, I had dreams of myself running effortlessly down the road with a smiling baby in a jogging push chair and a well behaved dog by my side. I ran before I had a baby, so it looked logical to me to continue on.
Bringing a baby complicates everything (even corner shop trips), here my tips for a successful stroller run with a baby. A jog in the stroller shouldn't be your infant's first push-chair experience. Sometimes the earliest clearance you can get to run with an infant is 3 months, so you have those 3 months to get the baby used to sitting in the push chair. It's insignificant if you use a jogging push chair or a normal push-chair, but the baby must be exposed to daily walks (weather allowing). And, it’s good for you too!
Consider the time of day. Remember when working out was all about you? Questions like, “Do I like working out in the morning?” or “Can I've a mug of coffee first?” well, now it’s more like: “What’s the baby's best time of day?” and “When is the weather the best?” If you'd like an actual chance at finishing a jogging push chair workout, the baby must be full, rested and dry. You've got a window of time to get the run done, so you cannot dawdle around, you have to just go!I find that Religion is more certain to nap in the push-chair if she just had a sleep at home and cry in the push-chair if I take her out during her normal sleep time. Babies don’t follow our logic 
Start small: Pushing that jogging push-chair is not a joke, so you need to start with short runs for yourself and the baby.
Be prepared: You never leave the house without nappies, so don’t jog without them either. No one wants to do a field diaper change, but it sure beats pushing a hollering baby for the 2 miles home. Also, I used to bring a bottle with pre-measured water and some formula to ease my fears of being stuck miles from the house with a hungry baby.
Have a sense of humor: Running with a baby isn’t like running alone, but try not to get irritated with having to stop to mend a kicked-off blanket or drooping hat. If you have to stop regularly just regard it as interval coaching
The other ladies I run with would like to add one more: Don’t start with snacks! They run with older children (3 and 4) and their kids are pretty relentless about nibbles during the run. This means that their moms have to fish out the snack, open it, and hand it to the kid….all while running. After the kid is done eating, they want to hand the empty wrapper or bag back to Mommy, and then wait 3 minutes and ask for more nibbles
Both women I run with say that they wish they hadn't started with nibbles during runs. Though, the guarantee of a Dum-dum lollipop appears to have great powers if you add “If you are good, you'll get it at the turn around point!” 
Also, if you going to add a dog to the running mix, you're going to need additional of 5 and for number 4, add poop bags to your stroller. I find that if you tie the full bag to the handlebars of the stroller, it shields the baby from the stench and frees you from carrying it while running. If your dog isn’t used to running with you alone, taking it out with a push-chair probably isn’t advisable. Like the baby, the dog wishes to get made use of the jogging stroller, but the dog should already be trained for running with you.
Kathy Kelly is runner, freelance writer and mother. She contributes often about the experinces of new mothers, how to stay fit and has burned through many baby jogger trailers along the way.