Seven-time off-road racing champion Troy Herbst thought he was done with racing. Seven-time NASCAR Cup Series champion Jimmie Johnson had other ideas. Find out what happened when the two got together to compete at the iconic Mint 400 on Lucky #7, premiering tonight on RACER Network at 9:30pm ET.

The NASCAR legend's return to off-road racing at the recent Mint 400 was a project 30 years in the making.