Sirius XM NASCAR Radio is a channel on Sirius XM Radio dedicated to NASCAR. The station launched on 2007-01-01 and broadcasts every Sprint Cup, Nationwide, and Camping World Truck Series race live. It is an affiliate of both MRN and PRN, as well as the IMS Radio Network for coverage of the Brickyard 400. It carries live races, full race replays, as well as behind-the-scenes and daily talk shows. Following the Sirius / XM merger, Sirius NASCAR Radio was made available to XM on 2008-09-30 as part of its "Best of Sirius" package and broadcasts on channel 90.