[4] Jantar Mantar debuted at the Kyoto Racecourse on October 8, 2023, in a two-year-old newcomer race on turf at a distance of 1,800 meters.

After settling in a good position from the start of the race, he broke away at the final stretch to win by two and a half horse lengths over Keep Calm.

[6][7] Jantar Mantar made his three-year-old season debut at the Kyodo Tsushin Hai, moving back up to a distance of 1,800 meters at Tokyo Racecourse.

After surviving through the grueling fast pace set by Meisho Tabaru, he moved up to the front early in the final stretch but was overtaken by the fast-finishing Justin Milano and Cosmo Kuranda and ended up at third place.

In the final straight, he pulled away from the pack and maintained the lead to win the race, holding off Ascoli Piceno.