First Lady Michelle Obama Participates in the “Pit Crew Challenge”

First Lady Michelle Obama participates in the “Pit Crew Challenge” station during an event with the President's Council on Fitness, Sports and Nutrition on the South Lawn of the White House, May 9, 2011. The First Lady visited seven activity stations during the event, which helped promote both the Let's Move! and Joining Forces initiatives. (Official White House Photo by Chuck Kennedy)

Featured in the Following Photo Galleries:

• May 2011: Photo of the Day