33-year-old Scottish record of 1:43.88 in his fifth overall Diamond League victory with a time of 1:43.65 in Brussels. He capped his breakthrough season on the road a few days later, winning for the third time the Fifth Avenue Mile in New York (he also won in 2018 and 2021).

Across the season, Wightman set also Scottish records in the 1000 m and one mile,