Johnson, Alonso ride swap all-access

Go behind the scenes as seven-time Cup champion Jimmie Johnson and two-time Formula 1 world champion Fernando Alonso swap rides in Bahrain -- and listen as the two drivers, plus their Hendrick Motorsports and McLaren crews, talk about the experience in real-time.

The two champions swapped cars during the event on Monday, with Alonso driving a NASCAR Cup car for the first time, while Johnson got behind the wheel of a 2013 McLaren MP4-28.