[2] Janowski passed speedway licence test (Licencja "Ż") on 7 August 2007 at 16 years old; 5 days later he rode in his first meeting in Polish Ekstraliga (Wrocław vs Rzeszów 48:42).

[3] His fourth meeting was Tournament of Junior National Team Reservs (Turniej zaplecza kadry juniorów).

[7] Janowski was unsuccessful in defending his Under-21 Polish Champion title, scoring 8 points and finished eighth.

However, he did win the Bronze Helmet Final, at his home track in Wrocław, scoring a maximum 15 points.

On 11 July, Janowski competed in the Individual U-19 European Championship Final and won the silver medal after winning a run off with Martin Vaculík and Artem Laguta.

Like his Rospiggarna Hallstravik team-mate, Greg Hancock, Janowski moved to Piraterna Motala before the 2010 season.

[7] On 18 August, it was announced that Janowski would join the Swindon Robins in the British Elite League for the remainder of the season.

[13] However his individual season ended with a disappointing 14th place finish in the 2023 Speedway Grand Prix.