NBC Presents Live Coverage of the Final Stage of the 2015 USA PRO CHALLENGE CYCLING RACE

NBC presents live coverage of the final stage of the 2015 USA PRO CHALLENGE cycling race this Sunday, August 23, at 4 p.m. ET. The final stage of the seven stage race begins in Golden, Colo., where riders will tackle the main obstacle of the day, a 4-mile climb of Lookout Mtn., and finishes in downtown Denver, Colo.

American Brent Bookwalter (BMC Racing) currently leads the field after his Stage 2 win yesterday, with Rohan Dennis (BMC Racing) of Australia six seconds behind.

Phil Liggett and Paul Sherwen, the voices of cycling, call the race joined by analyst Christian Vande Velde and reporter Steve Schlanger. 'Inside-the-Race' correspondent Steve Porino will report from aboard a motorcycle on the course, and offer updates on race situations.

NBC Sports Live Extra - NBC Sports Group's live streaming product for desktops, mobile devices, tablets, and connected TVs - will stream coverage on NBC and NBCSN via "TV Everywhere," giving consumers additional value to for their subscription service, and making high quality content available to MVPD customers both in and out of the home and on multiple platforms. The NBC Sports Live Extra app is available on the iTunes App Store, Google Play, Windows Store, Roku Channel Store and Apple TV. For desktops, NBC Sports Live Extra can be accessed at NBCSports.com/liveextra.