Like his father, Prost is a golfer, and has won numerous tournaments during his tenure at Columbia University in New York.

In 2008, he joined Bull Racing and won the Euroseries 3000 championship in his first year with one win, two poles and seven podiums.

In 2007, he competed with Team Oreca in a Saleen S7-R with Laurent Groppi and Jean-Philippe Belloc and finished 5th in his category.

He drove a great race, especially on Sunday morning with a stunning quadruple stint which moved the car from 8th to 5th.

After a difficult year in 2010, where he nonetheless drove the fastest lap of rebellion cars, he had a great race in 2011.

In the 80th edition of the 24 Hours of Le Mans in 2012, Prost and the Rebellion Racing Team got the fourth place in the LM-P1 class along with his co-drivers Neel Jani and Nick Heidfeld, their Lola B12/60 Coupe Toyota covered a total of 367 laps (3,108.123 miles), in the Circuit de la Sarthe.

[2] In 2009, he participated in the European Le Mans Series for Speedy Racing Team Sebah alongside Marcel Fässler and Andrea Belicchi.

In 2012 and 2013, Prost competed in the FIA World Endurance Championship with Rebellion Racing in a LMP1-class Lola B12/60 Toyota.

During the 2009–2010 winter, Prost participated to the famous Andros Trophy ice racing series in the electrical car category.

In 2011–2012, he joined his dad in the works Dacia team and claimed the rookie title in the main series.

In 2010, he drove a Renault F1 for the first time in Magny-Cours and impressed the team, beating his daily opponent by more than 2 seconds.