Why Buy a Double Running Buggy?
Double running buggy is the best option to run with your child. Traditional strollers work well for everyday use. They are designed specifically for jogging and come with large wheels, air-filled tires and often a front-locking wheel to add suspension.
For occasional jogging models such as the Mountain Buggy Duet or Out'n'About Nipper Sport Double V4 will work. For double umbrella stroller who are serious about running, they might prefer the double running pushchairs, such as Thule's Thule cheetah 2.

Safety
Double-running buggys come with three or four wheels, much like a pram. However, they are usually larger and the front wheel is locked to provide additional control and suspension. Most double running buggy handlebars come with brakes (similar to those found on bikes) so that you can quickly stop your buggy. Some also have wrist straps to ensure safety. smallest double buggy have a slightly reclined seat that provides extra comfort for your child as they are eating or taking a nap. It is best to wait until your baby is at least nine months old before you go for an outing, and only when they're at ease.