The Challenge was a reality game show.
Real World/Road Rules Challenge : The Gauntlet 2 is the 11th season of the MTV reality game show , The Challenge ( at the time known as Real World/Road Rules Challenge ) . The Challenge (TV series) . Later on , however , the series began using hosts : Eric Nies and Mark Long co-hosted a season , and Jonny Moseley and Dave Mirra hosted various seasons before T. J. Lavin became the show 's regular host by the 11th season .