Bill Murray has conquered ghosts, aquatic and landscaping nemeses, and reliving the same day over and over, so why not the marathon?

On Wednesday night's Late Show with David Letterman, Murray realized he was running out of time to train for the New York City Marathon, which will be run on November 2.

Murray has some interesting training ideas and a wonderful way to refuel on the run.

Scott Douglas Scott is a veteran running, fitness, and health journalist who has held senior editorial positions at Runner’s World and Running Times.

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