Marathoner Meb Keflezghi shares his Olympic memories and how it feels to be running in his fourth Games at 41 years old. (2:05)

We take you on the trail behind Runner’s World HQ for the lowdown on why speedwork really is worth the suffering. (25:45)

In the Kick, highlights from track and field in Rio, a young runner who uses the sport to improve his life, and the cool way one cross-country team made training more fun. (38:50)

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