Greenfield Stadium, also known as Greenfield Athletic Ground, Greenfield Autodrome and the Yorkshire Trotting and Athletic Grounds was a sports venue in Bradford, West Yorkshire, England. The venue was the first and former home ground of Bradford Northern Rugby league Football Club, before later becoming a greyhound stadium and speedway track. It was situated adjacent to School Street, off Cutler Heights Lane in Dudley Hill, Bradford and in 1907, consisted of a six acre field enclosed by a pear-shaped athletic and trotting track.