Marcus Armstrong enters his rookie season in the NTT INDYCAR SERIES at 22 years of age, piloting the No. 11 Honda in road and street course races.

Armstrong will make his North American professional debut after competing in the FIA Formula 2 Championship from 2020 to 2022 where he earned four wins and eight podiums. Armstrong scored his first victory in the series in 2021 at Jeddah Corniche Circuit in Saudi Arabia, and then registered three wins across the 2022 campaign in Italy, Austria and the Netherlands. Armstrong also served as a development driver for the Scuderia Ferrari F1 team in 2021.

The Christchurch, New Zealand, native launched his racing career behind the wheel of go-karts at 10 years old. He won five go-karting national championships in New Zealand before moving to Europe in 2015 to compete on the world stage. In 2017, Armstrong made the jump to Formula 4 where he won the Italian Formula 4 championship in his first season competing in the series. Armstrong competed in Formula 3 across the 2018 and 2019 seasons, where he tallied four wins, four pole positions and 16 podiums.