Hill staffers and PGA professionals mingle Wednesday at this year's National Golf Day event on Capitol Hill, which included an annual Democrats versus Republicans putting challenge. Emily Jan/NPR hide caption

itoggle caption Emily Jan/NPR

Performance nutrition experts recommend stopping at all the hydration stations for a quick fill-up of a sports drink to replenish the glycogen that's being burned during a marathon. iStockphoto hide caption

itoggle caption iStockphoto

The British snowboarder Billy Morgan on his way to landing a Backside 1800 Quadruple Cork. Before this week, the trick was a subject of debate — including the question of whether it could be performed. Red Bull hide caption

itoggle caption Red Bull

At the Pelican Hill golf resort in Newport Coast, Calif., water conservation is an obsession. Yuki Shimazu/Flickr hide caption

itoggle caption Yuki Shimazu/Flickr