The 2019 Tour de l'Avenir was the 56th edition of the Tour de l'Avenir, a UCI 2.NCup stage race for riders aged 23 or younger. The 1,036.2-kilometre (643.9 mi) race consisted of 10 stages. It started on 15 August in Marmande and concluded on 25 August in La Corbière, with Norwegian Tobias Foss winning the general classification.