Tero first rode Motocross in 1989 aged 5. His first venture into speedway was on an 80cc bike in 1995. Between the years 1997-2000 he rode for Rospiggarna in the highly competative Swedish junior league, reaching 2nd twice and 3rd place once in the Swedish Junior Leagues.
RACING HISTORY OF TERO AARNIO
1989....Started Motocross
1995....Speedway career starts 80cc bike
1997-2000... Rides for Rospiggarna in Swedish junior league
2001....Starts riding 500cc speedway bike
2003-2007...Rides for Eldarna in Sweden
2008.... Rides for Berwick Bandits in British Premier league
2009....Rides for Berwick Bandits( UK ), Hammerby (Sweden),