Translation of "speedway" into English

Avevo quasi finito il tirocinio quando insieme a un intimo amico ci cimentammo nello speedway.

I had nearly finished my apprenticeship when a close friend joined me in trying speedway riding.

Accettai l’offerta con gioia, in quanto l’Inghilterra era la mecca delle gare di speedway.

I accepted the offer with delight, for England was the mecca of speedway racing.