Having physical talent is one thing, but without a clear direction or adequate support in other areas of life, a runner may end up never fulfilling his or her true potential.
For someone who trains for two hours, it's the other 22 that matters most. Finding balance in life can't be left to chance.
Thanks to the worldwide resurgence of barefoot running and minimalist footwear, trends that were considered “fringe” as little as a decade ago— holistic approaches in physical therapy, sports medicine, and the coaching of natural running form — is the new norm.
Of course, the half-marathon is attractive to marathon runners because of its ease of recovery and to classic road runners because of its role as a springboard to the full marathon. But the half marathon (at 13.1 miles) is perhaps even more relevant to the 10K (at 6.2 miles) than the marathon (at 26.2 miles).
It's probably obvious to anybody who has trained for any kind of endurance event: in most cases, it's more preferable to train with a group of other runners than it is to train on your own. Not only do these group sessions feel easier and more enjoyable they are also generally faster.