Bråten competed in his first world cup competition on December 30, 1982 in Oberstdorf at the start of the Four Hills Tournament 1982/83 . Surprisingly, he jumped to 5th place in his first competition. On January 1, 1983, he reached the podium for the first time in Garmisch-Partenkirchen with second place. He finished the Four Hills Tournament in 5th place overall. On January 16, 1983 he was able to climb onto the podium again with a 3rd place in Lake Placid . In the following competitions he always came in the top 10, with two exceptions. On March 16, 1983, he won his first and only World Cup competition at the season finale in Oslo on Holmenkollen . He finished the 1982/83 World Cup season in 6th place overall. The 1983/84 started rather badly for him, which is why he broke off the season before the official end. At the 1984 Winter Olympics in Sarajevo , he came 18th on the normal hill. At the Norwegian Championship in Hof , which took place shortly after the games in 1984 , he won the bronze medal on the normal hill. Rising performances at national level were the reason that Bråten returned to the World Cup in early 1985 and already his first competitions in Cortina d'Ampezzo , where he finished 11th, and in ski flying in Harrachov , where he came 8th Could prove strength again. In January 1987 he entered the World Cup again and was able to achieve a third place again in Sapporo . At the end of the 1987/1988 World Cup season , he ended his active ski jumping career.
After his active career, Bråten trained the Norwegian ski jumping team for some time before he went to the Technical and Natural Science University of Norway in Trondheim as a scientist . He works there in the field of research and development of technology in ski jumping. Bråten is also a trainer at Olympiatoppen , a division of the National Olympic Committee.