iRacing has updated the iRacing Special Events page with more events:
Road:
6 Hours of the Glen (Team Event): June 18-24, 2021 | Dallara P217, Corvette C8R GTE, Porsche RSR GTE, Ferrari 488 GTE, BMW M8 GTE, Lamboghini Huracán GT3 EVO, BMW M4 GT3 Prototype*
HockenheimRing Grand Prix: July 10-13 2021 | Dallara iR-01
24 Hours of Spa (Team Event): July 23-25, 2021 | Ford GT GT3, McLaren MP4-12C GT3, Mercedes-AMG GT3, Audi R8 LMS GT3, Ferrari 488 GT3, BMW M4 GT3 Prototype*, Lamborghini Huracán GT3 EVO
Bathurst 1000 (Team Event): September 17-19, 2021 | Holden ZB Commodore, Ford Mustang GT
Petit Le Mans (Team Event): October 1-3, 2021 | Dallara P217, Corvette C8R GTE, Porsche RSR GTE, Ferrari 488 GTE, BMW M8 GTE, Lamboghini Huracán GT3 EVO, BMW M4 GT3 Prototype*
Suzuka 10 Hour (Team Event): November 5-7, 2021 | Ford GT GT3, McLaren MP4-12C GT3, Mercedes-AMG GT3, Audi R8 LMS GT3, Ferrari 488 GT3, BMW M4 GT3 Prototype*, Lamborghini Huracán GT3 EVO
Oval:
North Wilklesboro Throwback Cup: April 11, 2021 | 1987 NASCAR Cup
Indy 500 (Fixed): May 14-16, 2021 | Dallara IR-18 Indycar
Indy 500: May 21-23, 2021 | Dallara IR-18 Indycar
Coke 600 @ Charlotte Motor Speedway: May 26-28 | NASCAR Cup Series (A-cars**)
Darlington 500: September 1-3, 2021 | NASCAR Cup Series (A-cars**)
Phoenix Finale: November 3-5, 2021 | NASCAR Cup Series (A-cars**)
Winter Derby @ Five Flags Speedway: November 20, 2021 | Super Late Model
Dirt Road:
Crandon Pro 4 Championships: October 16, 2021 | Pro 4 Stadium Truck
Dirt Oval:
Knoxville Nationals: August 21, 2021 | World of Outlaw 410 Sprint Car
Chili Bowl Nationals @ Tulsa Expo Center: December 18, 2021 | Dirt Midget
*the BMW M4 GT3 Prototype is NOT a "prototype-class" car, it just an iRacing pre-production model of a GT3/GTD-spec car set to debut later in the 2021 season.
**An iRacing "A"-Oval license is not required to run the "A-cars" in these races.