The world leader in the online racing simulation and gaming market, iRacing was founded in 2003 by Dave Kaemmer, co-founder of Papyrus Design Group, and John Henry, principal owner of the Boston Red Sox and Liverpool Football Club and co-owner of Roush Fenway Racing. iRacing has developed dozens of formal partnerships in the motorsport industry to help create the most authentic racing simulation in the world, including with NASCAR, INDYCAR, the FIA, Mercedes-AMG Petronas F1 Team, and numerous other car manufacturers, tracks, and racing series. Alongside its PC simulation, iRacing owns two additional game studios and produces the official console games of NASCAR (beginning in 2025) and the World of Outlaws, as well as the fantasy off-road racing game ExoCross.