Entering the season finale at Road Atlanta with a shot at defending his 2021 MX-5 Cup championship, a mechanical DNF in Race 1 relegated Wagner to 3rd in the standings. In Race 2, Wagner rebounded to finish 2nd to end the season, narrowly missing out on the win.
Road Atlanta success seals MX-5 Cup title for Wagner
For the 2021 championship finale, the Idemitsu Mazda MX-5 Cup traveled to the Petit Le Mans event at Road Atlanta, hosting Rounds 13 & 14. Gresham Wagner entered the event with the championship lead after a pair of wins at Laguna Seca, and was able to capture the championship title in the final race of the season.