By Jessica Smith
This article first appeared on the U.S.-version of SHAPE.com
Has your running routine become, well, routine? If you’ve exhausted your go-to tricks to get motivated—a new playlist, new workout clothes, new route—and you’re still not feeling it, you’re not doomed to a lifetime of colourless cardio. We asked running experts to share their most creative (and totally free!) ideas to up the fun factor and help you look forward to lacing up your sneakers.