The test: The Berlin Marathon, where she aims to set a new American record.

Four days after becoming the first American man to win the Boston Marathon since 1983, Meb Keflezighi was in high demand. But he took a few minutes to discuss with us exactly what was going through his head during the courageous run.

The Marathon superstar knows all the right—and wrong—moves required to win a race. Here's his game plan following the starting gun.

Meb Keflezighi won the prestigious NYC race in 2009, and is a force in every marathon he runs. But he'll need to overcome injury—and some hungry young competition—to nab another title.

Marathoner Shalane Flanagan’s masochistic plan to bring home the gold

In 1974, French aerialist Philippe Petit snuck onto the roof of the World Trade Center, rigged a tightrope between the Twin Towers, and spent three-quarters of an hour dancing across the 1,350-foot-deep urban abyss. The caper was all but forgotten until last summer, when James Marsh’s documentary Man on Wire…