This post was originally published on Autosport
For Jann Mardenborough, it dates back to a self-promise in 2021.
The 2011 GT Academy winner was at a crossroads in life, having just departed the Nissan Super GT programme, which left him without a full-time drive for the year.
It marked not only the end of a five-year stint contesting Japan’s top sportscar championship, but potentially the end of a professional career that spanned a …Keep reading