In 2000 the colt won an English Listed race, the July Trophy Stakes at Haydock Park Racecourse then in 2001 captured his first important race, the Group 2 Yorkshire Cup plus he finished third to winner Vinnie Roe in the Group I Irish St. Leger.
In 2000 the colt won his first three races including an English Listed race, the July Trophy Stakes at Haydock Park Racecourse. In 2001, Marienbard captured his first important race, the Group 2 Yorkshire Cup plus he finished third to winner Vinnie Roe in the Group I Irish St. Leger.