He won his first title in 1994 winning a Danish junior pairs championship with Charlie Gjedde.

Pedersen began his United Kingdom racing career in with the Newcastle Diamonds in the Premier League.

[7] Also in 2004, he won the Elite League Riders' Championship, held at Wimborne Road on 17 October.

[9] Pedersen was retained by Poole for the 2008 season over former world champion Jason Crump when it was announced the British Speedway Promoters' Association (BSPA) that the points limit for team building purposes was to be reduced drastically.

On 20 August 2011, he qualified for the 2012 Speedway Grand Prix as a permanent rider, after finishing runner-up in the GP Challenge.