Born in Yerseke, Tolhoek was named as part of the LottoNL–Jumbo squad in the startlist for the 2017 Vuelta a España.[5] In December 2017, he was suspended for 2 months by his team, for possession of sleeping pills during a pre-season training camp – violating the team's internal rules.[6] In July 2018, he was named in the start list for the 2018 Tour de France.[7] In May 2019, he was named in the startlist for the 2019 Giro d'Italia.[8]