As the INDYCAR iRacing Challenge kicks into high gear on NBCSN, we've come up with a quick guide to what iRacing is, how realistic the racing is, how popular it is with the drivers and much more.

The second week of iRacing’s 2021 Season 3 is already upon us. On Tuesday, iRacing servers will switch over to the next set of car and track combinations across the service. Thankfully for the Fanatec ...