2023 International GT Open schedule:
- Apr 29-30: Algarve (TCR World Tour)
- May 27-28: Spa-Francorchamps (TCR World Tour)
- Jun 17-18: Hungaroring (TCR World Tour)
- July 22-23: Paul Ricard (TCR Europe)
- Sept 9-10: Red Bull Ring (TCR Europe)
- Sept 23-24: Monza (TCR Europe)
- Oct 21-22: Barcelona (TCR Europe)
2023 British GT schedule
- April 9-10: Oulton Park
- May 6-7: Silverstone 500
- May 27-28: Donington Park
- June 17-18: Snetterton
- July 22-23: Algarve
- Sept 9-10: Brands Hatch
- Oct 21-22: Donington Park
2023 British Endurance / Britcar Trophy schedule:
- March 25-26: Silverstone
- April 22-23: Silverstone
- May 27-29: Oulton Park
- June 24-25: Silverstone
- July 21-22: Donington
- Sept 16-17: Snetterton
- Oct 14-15: Donington Park
2023 FFSA GT schedule:
- Apr 9-10: Nogaro
- May 6-7: Magny-Cours
- June 17-18: Dijon
- July 8-9: Val de Vienne
- Spet 23-24: Lédenon
- Oct 7-8: Paul Ricard
- Oct 28-29: Vallelunga (GT4 Europe)
2023 Italian GT schedule:
- May 6-7: Misano (Sprint)
- May 20-21: Pergusa (Endurance)
- June 24-25: Monza (Sprint)
- July 7-9: Mugello (Endurance)
- Sept 16-17: Monza (Endurance)
- Sept 29-Oct 1: Mugello (Sprint)
- Oct 14-15: Vallelunga (Endurance)
- Oct 28-29: Imola (Sprint)
2023 GT4 Scandinavia schedule:
- May 6-7: Mantorp Park
- June 3-4: Paul Ricard (GT World Challenge)
- Jun 30-Jul 1: Spa-Francorchamps (GT World Challenge)
- Aug 5-6: Rudskogen
- Aug 26-27: Anderstorp
2023 Supercar Challenge schedule:
- Apr 14–16: Zandvoort
- May 19–21: Red Bull Ring
- Jun 2–4: Spa-Francorchamps (GB3 / Belcar)
- Jul 7–9: Zolder (Superprix)
- Aug 11–13: Assen (Boss GP)
- Sept 14–17: Zandvoort
- Oct 13–15: Spa-Francorchamps
- Oct 27–29: Assen