When he had to choose an extracurricular activity at the age of ten, he hesitated between fencing and gwo ka, a genre of Guadeloupe folk music.

[4] He was allowed to go after he obtained his baccalauréat in 2007 and began training with the best junior fencers alongside to his physical therapy studies.

At the 2011 European Championships in Sheffield he reached the table of 16, defeating 2010 World silver medallist and teammate Gauthier Grumier along the way, but he yielded to Germany's Jörg Fiedler and finished 11th.

[7] After this result Borel transferred from the Cercle d'Escrime de Châlons to the Levallois Sporting Club, where he joined teammates Ulrich Robeiri and Gauthier Grumier.

In the team event France cruised to the quarter-finals, then defeated Germany, South Korea and Hungary to post their sixth World title in a row.

They failed to establish a new record of seven straight World titles after a surprise 37–44 defeat against the United States and had to settle for silver.

[13] He won the gold medal in the men's épée event at the 2022 European Fencing Championships held in Antalya, Turkey.