For more than 40 years, Runner's World magazine has been the world's leading authority on running--bringing its readers the latest running advice and some of the most compelling sports narratives ever told. From inspirational stories such as "A Second Life"(the story of Matt Long, the FDNY firefighter who learned to run again after a critical injury) to analytical essays such as "White Men Can't Run" (a look at what puts African runners at the front of the pack), the magazine captivates its readers every month.

Now, for the first time, the editors of Runner's World have...