Rubuta ci gaba don wannan sakin layi - Mahaifin Kevin, Jan Magnussen ya fara halarta a gasar Pacific Grand Prix a 1995 a matsayin mai maye gurbin Mika Häkkinen mara lafiya, ya gama na 10. Bayan ya yi tsere a cikin CART don 1996 an karbe shi ta ƙungiyar Jackie Stewart mai suna don kakar 1997 tare da Rubens Barrichello. Ya yi gasa a 24 Grands Prix ga tawagar, tare da kawai maki ya zo a tseren karshe a Formula One, 1998 Canadian Grand Prix
Ka yi haƙuri. Har yanzu yana aiki a yau, galibi a cikin motocin motsa jiki.