De 24 Hours Series hebben hun voorlopige kalender voor 2021 bekend gemaakt:
• Hankook 24H DUBAI (Round 1)
• Dubai Autodrome, United Arab Emirates
• 14-15-16 January 2021
•
• Hankook 6H ABU DHABI (Non-championship)
• Yas Marina Circuit, United Arab Emirates
• 22-23 January 2021
•
• Hankook 12H MUGELLO (Round 2)
• Autodromo Internazionale del Mugello, Italy
• 26-27 March 2021
•
• Hankook 12H SPA-FRANCORCHAMPS (Round 3)
• Circuit de Spa-Francorchamps, Belgium
• 24-25 April 2021
•
• Hankook 12H HOCKENHEIMRING (Round 4)
• Hockenheimring, Germany
• 22-23 May 2021
•
• Hankook 24H PORTIMAO (Round 5)
• Autódromo Internacional do Algarve, Portugal
• 9-10-11 July 2021
•
• Hankook 24H Barcelona / Trofeo Fermín Vélez (Round 6)
• Circuit de Barcelona-Catalunya, Spain
• 3-4-5 September 2021
•
• COPPA FLORIO 12H Sicily (Round 7)
• Autodromo di Pergusa, Sicily
• 2-3 October 2021
•
• Hankook 24H SEBRING (Round 8)
• Sebring International Raceway, Florida, USA
• 12-13-14 November 2021
