[3][4] Carnol is also a member of SC Le Dauphin Ettelbruck under his personal coach Ian Armiger, and currently, a chemistry student at Loughborough University in Leicestershire, England.
[7][8] Carnol challenged seven other swimmers on the second heat including three-time Olympian Jakob Jóhann Sveinsson of Iceland.
[4][10] On the first day of the morning preliminaries, Carnol won the second heat of the men's 100 m breaststroke by nearly half a second (0.50) ahead of Serbia's Čaba Silađi, with a time of 1:01.46.
His storming victory was not sufficiently enough to put him through the next round, as Carnol placed twenty-sixth out of 44 swimmers in the preliminary heats.
[12][13] Carnol fell short in his bid for the final, as he finished the semifinal run by 0.03 of a second behind New Zealand's Glenn Snyders in a second slowest time of 2:11.17.