2021B Simracer Coin NASA Rallycross Challenge Season

The 2021B Simracer Coin NASA Rallycross Challenge presented by Nitro Circus season was the twenty-third season of the championship. It began on April 28, 2021 and ended on June 30, 2021. Sindre Silva entered the season as the defending Drivers' Champion, but was unable to defend his championship after he was disqualified mid-season. Last Lap Motorsports successfully defended their constructors championship despite Silva's disqualification.

Calendar Changes

 * NASA returns to Spain for the first time since 2019B, at the Circuit de Barcelona-Catalunya. As a result, Daytona is dropped.
 * Crandon moves back to pair with Bark River (as the circuit makes it's debut) for the Endurance Cup. As a result, Wild West is dropped.

2021B Drivers and Teams
''Editors Note - Data regarding drivers switching teams was not recorded officially during this time. All charts may incorrectly state a driver at a team that they were not racing for at that specific moment.''

Notable Team and Driver Changes

 * Defending champion Sindre Silva leaves Last Lap Motorsports and moves to Foxed Gaming.
 * Apex Racing Academy disbands, and as a result, Kieran Forrest moves to Sequential SimSport, and Tim Brokaw moves to DGRX.
 * DGRX expands to four teams.
 * Matt Kingsbury splits the Volkswagen branch of Last Lap Motorsports into it's own team, Dirt eSport.

2021B Drivers' Championship
Points are awarded to the top 24 finishers.

2021B Constructors' Championship
Points are awarded to the highest 2 classified finishers per team. {|
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