Pre-World Tour Groenewegen said in an interview that he had to choose between or to join in 2014. He chose the former as they gave him "a lot of confidence".
LottoNL–Jumbo (2016–2021) In October 2015, Groenewegen announced that he had signed with , on an initial three-year deal from 2016.
2016 In June, Groenewegen won the
Dutch National Road Race Championships after outsprinting
Wouter Wippert. During a review of Groenewegen's
Bianchi Oltre XR4 bicycle,
Simon Richardson of
Global Cycling Network said he is "a very easy rider to work with" in respect to the mechanics. Groenewegen won stage 4 of the
Tour of Britain.
2017 In the
Dubai Tour, which ran from late January into early February, Groenewegen came second in the general classification, having finished second in stages 1 and 2. Despite narrowly missing out on victory in these areas, he did win the overall youth classification. On 28 April, Groenewegen won the first stage of the
Tour de Yorkshire. The stage, which was long from
Bridlington to
Scarbrough, came down to a photo finish where he held off Australian sprinter
Caleb Ewan. He came fourth on the second stage which finished in
Harrogate. He continued this success when in May, he won two stages at the
Tour of Norway. The
Tour de France started well for Groenewegen when he came fifth on stage 2, the first flat stage. He produced two more top-10 results in the first week, with sixth in stages 6 and 7. After two mountain stages and a rest day in
Dordogne, he returned to finish third on stage 10 – a route from
Périgueux to
Bergerac. Groenewegen won the final stage of the race on the
last stage on the Champs-Élysées in Paris.
2018 In February, Groenewegen competed in the
Dubai Tour and won stage 1. Groenewegen held the general classification lead until the third stage when he was penalised 20 seconds after illegally drafting behind his team's car after suffering a mechanical fault. The blue jersey, given to the race leader, was lost to
Elia Viviani who started the day two seconds behind Groenewegen, who dropped out of the top 10. He expressed his anger, saying "I had problems with my bike, the mechanicals fucked it up for me. I actually think it was a good decision by the judges but it fucked it up for me" before placing the blame on his mechanics, saying that "it's the fault of my mechanics". The stage was the longest in the tour at which started in
Fougères and finished in
Chartres, Northern France. Groenewegen also won stage 8, beating Sagan and
John Degenkolb in
Amiens. In an interview, Groenewegen said that the sprint was "a bit messy" but he said that he "surged ahead" and took advantage of the "good opportunity". Later in March, he won the
Three Days of Bruges–De Panne, out sprinting Gaviria and Viviani after squeezing through a gap between Gaviria and the barrier in order to open up his sprint. Team Jumbo-Visma won the
team time trial on stage 2 of the
Tour de France, thus increasing the lead of Groenewegen's teammate,
Mike Teunissen in the general classification. Groenwegen went on to win stage 7 of the Tour de France, the longest stage in the tour at finishing in
Chalon-sur-Saône. He beat
Caleb Ewan and Sagan, giving him his fourth Tour de France stage win. Groenewegen won stages 1, 3 and 5 of the
Tour of Britain, beating
Davide Cimolai,
Mathieu van der Poel, and
Matthew Walls on the respective stages.
2020 Groenewegen's 2020 season started well, with victories on stages 1 and 3 as well as the points classification of the
Volta a la Comunitat Valenciana. Groenewegen had further success in the
UAE Tour, winning stage 4 on 26 February. He beat
Fernando Gaviria and
Pascal Ackermann to the finish in
Dubai after 173 km. During stage 1 of the
Tour de Pologne in
Katowice, Poland, on 5 August, Groenewegen pushed
Fabio Jakobsen into the barriers surrounding the finish line causing a very serious crash that put his rival in hospital and eventually in a medically induced
coma. Groenewegen crashed as well and suffered a broken collarbone. More riders were involved in the crash; French sprinter
Marc Sarreau had to abandon the race due to his injuries resulting from the crash. Groenewegen was disqualified from the race and fined CHF 500. Jakobsen's directeur sportif Patrick Lefevere said at the time that his team were considering bringing criminal charges against Groenewegen. In November 2020, Groenewegen was handed a nine-month ban for causing the crash, backdated to the day of the incident, meaning the ban ended on 7 May 2021. The previous month, Jakobsen had to undergo facial surgery where his jaw was reconstructed and bone was transplanted. Both Groenewegen and his team Jumbo-Visma apologized and took responsibility, with Groenewegen saying he "deviated from [his] line" and also that he wanted to be a "fair sprinter".
Team BikeExchange–Jayco (2022–2025) team presentation of the
2025 Tour de Hongrie In December 2021, Groenewegen signed a three-year contract with Australian
UCI WorldTeam from 2022 season.
Unibet Rose Rockets (2026–) In August 2025, Groenewegen was announced as a new addition to the
UCI ProTeam on a two-year deal starting in 2026. Groenewegen won his first race for his new team in January 2026, when he won
Clàssica Comunitat Valenciana in front of
Paul Magnier. ==Personal life==