A fan waves an American flag as they wait for the start of the race.

Nico Rosberg of Germany and Mercedes GP leads the field up to turn one during the United States Formula One Grand Prix.

Nico Rosberg leads Lewis Hamilton of Great Britian and Mercedes GP, Felipe Massa of Brazil and Williams and Valtteri Bottas of Finland and Williams.

Lewis Hamilton (left) leads the pack. 

Lewis Hamilton pumps his fist as he goes under the checkered flag to win.

Lewis Hamilton holds up his trophy after winning the Formula One U.S. Grand Prix auto race.

Nico Rosberg celebrates on the podium after finishing second. 

Daniel Ricciardo of Australia and Infiniti Red Bull Racing celebrates on the podium afte finishing third.

Mercedes teammates Lewis Hamilton and Nico Rosberg celebrate following their first and second place finishes.

Lewis Hamilton celebrates with the fans.