Marius Ingebrigtsen is a Norwegian athlete known for his achievements in middle-distance running. He is part of the famous Ingebrigtsen family, which includes his brothers Henrik Ingebrigtsen and Filip Ingebrigtsen, both of whom are also accomplished runners. Marius has competed in various national and international events, showcasing his talent in races such as the 1500 meters. In addition to his athletic prowess, Marius has gained attention for his training regimen and dedication to the sport. He often trains alongside his brothers, benefiting from their shared experience and competitive spirit. This family dynamic has contributed to their collective success in athletics.