Marius Lindvik starts for the Rælingen Skiklubb . He started for the first time on December 11th and 12th 2014 in Notodden in the FIS Cup , where he reached twelfth and tenth place. On September 19 and 20, 2015, Lindvik made its debut in the Continental Cup in two competitions in Oslo . Here he reached places 33 and 11 and also got his first Continental Cup points. Just three months later, Lindvik made his debut in the Ski Jumping World Cup and with a 32nd place narrowly missed the first World Cup points.
On December 9, 2017, Lindvik surprisingly achieved third place at the Continental Cup competition in Whistler , British Columbia and thus a podium finish in the Continental Cup for the first time. On January 6, 2018, he won his first competition in the Continental Cup in Titisee-Neustadt . After further good performances with podium places in Titisee-Neustadt and Erzurum , he was nominated for the World Cup. In Zakopane (on January 27th and 28th 2018) he achieved his best World Cup results with eighth place in the individual and third place with the Norwegian team.
Shortly afterwards, Lindvik became Junior World Champion in singles and with the mixed team in Kandersteg in February 2018 . He also won the bronze medal in the team competition.
In the 2019/20 season he reached his first podium finish in third at the World Cup in Klingenthal. Previously, the second place after the competition in Ruka had been denied because of a non-compliant suit.
On January 1st, 2020 he set the hill record of 143.5 meters on the Great Olympic Hill in Garmisch-Partenkirchen as part of the Four Hills Tournament , which the Swiss Simon Ammann had already set on January 1st, 2010. In addition, after another strong jump, he won the New Year's competition ahead of Karl Geiger . At the following World Cup in Innsbruck he took his second World Cup victory and took second place in the intermediate tour result.