Mejiro Ardan won just a single graded race in his career, though he placed well at major races among other horses considered to be strong at the time. However, his weak legs were a detriment throughout his career, forcing him to take several long breaks and eventually causing his retirement. It also pushed his debut back by a year into 1988.
1988: three-year-old season When Mejiro Ardan finally debuted, it was on a dirt course over 1200 meters; the dirt was wet from a storm, which gave him an advantage due to his weak legs. Despite the team's plans to race Mejiro Ardan in the
Japan Cup after that, a bowed tendon was discovered in his front-right leg, forcing him into another long hiatus.
1990: five-year-old season Okabe, Ardan's long-time regular jockey, left after the previous Tenno Sho, opting to jockey Yaeno Muteki for his races in 1990 after Yaeno's team offered him the reins for a revival. While Mejiro Ardan had great potential, he still had weak legs, including his bowed tendon. His team planned for a comeback at the Tomoe Sho in
Hakodate that August, but he wasn't ready in time. Mejiro Ardan would finally return to racing in the autumn of 1990, where he took 4th at the
Sankei Sho All Comers. At the autumn Tenno Sho, he was jockeyed by a young hopeful named Norihiro Yokoyama, who would later go on to win many races. In the last 200 meters, Yaeno Muteki—jockeyed by Okabe—came in all the way on the inside and took the lead to clinch the win, with Ardan getting 2nd place by just a head. His last race of the year was the
Arima Kinen that December against powerful racers like Oguri Cap,
Mejiro Ryan, and
White Stone, but placed poorly despite being the number-two favorite.
1991: six-year-old season Mejiro Ardan began his six-year-old season at the
Nikkei Shinshun Hai, where he placed 4th. His bowed tendon flared up after this, leading to his third hiatus. He returned to race again that autumn, but didn't see results, placing 6th at the
Fuji Stakes and 14th at the
Japan Cup. After desmitis was discovered in his front-left leg, he was retired. == Statistics ==