He holds personal bests of 10.29 and 20.94 seconds for those events.

He was the 100 m gold medallist at the 2014 Mediterranean Athletics U23 Championships.

[2] He has competed internationally with the French men's relay teams on several occasions.

At the 2014 IAAF World Relays he won a bronze medal in the 4 × 200 metres relay, setting a European record time of 1:20.66 for the event.

[3] Romain also represented his country at the 2017 IAAF World Relays and won age category gold medals in the 4 × 100 metres relay at the 2011 European Athletics Junior Championships and the European Athletics U23 Championships.