Each run is described in vivid detail and presented alongside impressive full-color photography with route/race stats. Entries are written by running experts from around the world and categorized into type: road, trail, mountain, desert, winter, nighttime, multi-terrain, urban as well as team and relay runs in addition to novelty runs and festivals. Each entry is plotted onto continent maps as well as easy to use month-by-month race finders.

Races are indexed both by type and location, for easy navigation. Whether planning a 5k charity fun run in the local park, a first marathon, a solitary off-road mountain adventure, or an extreme round-the-world ultramarathon challenge, this information-packed, heavily illustrated book is a one-stop source of inspiration for runners at every level.