Treadmill or outdoor running; which is best. For avid runners, outdoor running is what they crave. It is also where most running injuries occur. During the winter months, many runners stay indoors and use treadmills, either in their club or their homes. Since we are in the New Year, many of you are now thinking of getting back into shape and if you like to run, this blog offers some facts and tips on what type of running can give you the best workout. Outdoor or on a treadmill, check this out. Is it better to run outside or on a treadmill? 27 January 2016 Runners have always had a view on whether treadmill running is easier than doing it outdoors. Michael Mosley weighs up his options. For those of us who rather optimistically made a New Year’s resolution to do a bit more exercise, running is the obvious and popular option. But is it better to do your running outdoors, in the wind and rain, or to go down to your local gym and work up a sweat on the treadmill, while surreptitiously admiring your reflection in a giant mirror? It’s not something I’ve really thought much about before, possibly because I’m not that crazy about running, but it’s certainly a topic that divides running enthusiasts. So what are the arguments, for and against? Read more.