United States Grand Prix: Circuit of the Americas, Austin, Texas, United States of America. Sunday 25 October 2015. Nico Rosberg, Mercedes F1 W06 Hybrid, and Lewis Hamilton, Mercedes F1 W06 Hybrid, battle for the lead ahead of Daniil Kvyat, Red Bull Racing RB11 Renault, Daniel Ricciardo, Red Bull Racing RB11 Renault, Nico Hulkenberg, Force India VJM08 Mercedes, Sergio Perez, Force India VJM08 Mercedes, and the rest of the field. World Copyright: Steven Tee/LAT Photographic ref: Digital Image _L4R8231