
イマムラ ユタカ

2020年にA1のまま引退。引退の理由は同年11月から男子の最低体重が52kgに引き上げられるため、体重管理に限界を感じたことだと語っている。
| 期 | 級別 | 勝率 | 2連対率 | 3連対率 | 能力指数 | 出走 | 1着 | 2着 | 3着 | F | L | 優出 | 優勝 | 平均ST |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20前期 | A1 | 6.65 | 40.2% | 60.8% | 68 | 97 | 20 | 19 | 20 | 0 | 0 | 5 | 2 | 0.14 |
| 19後期 | A1 | 6.67 | 39.2% | 57.1% | 64 | 112 | 20 | 24 | 20 | 0 | 0 | 2 | 0 | 0.14 |
| 19前期 | A1 | 6.81 | 46.6% | 66.7% | 64 | 105 | 28 | 21 | 21 | 1 | 0 | 3 | 0 | 0.15 |
| 18後期 | A1 | 6.82 | 40.5% | 54.5% | 68 | 101 | 24 | 17 | 14 | 1 | 0 | 3 | 0 | 0.15 |
| 18前期 | A1 | 7.52 | 56.7% | 68.5% | 65 | 111 | 38 | 25 | 13 | 0 | 0 | 7 | 2 | 0.14 |
| 17後期 | A1 | 6.96 | 43.3% | 59.3% | 69 | 113 | 24 | 25 | 18 | 1 | 0 | 3 | 1 | 0.13 |
| 17前期 | A1 | 7.62 | 64.0% | 78.6% | 66 | 103 | 29 | 37 | 15 | 1 | 0 | 6 | 2 | 0.15 |
| 16後期 | A1 | 7.40 | 48.5% | 68.9% | 68 | 103 | 28 | 22 | 21 | 0 | 0 | 4 | 1 | 0.14 |
| 16前期 | A1 | 7.19 | 47.7% | 68.1% | 68 | 113 | 29 | 25 | 23 | 0 | 0 | 4 | 1 | 0.13 |
| 15後期 | A1 | 7.62 | 47.9% | 65.3% | 72 | 98 | 27 | 20 | 17 | 0 | 0 | 2 | 1 | 0.14 |
| 15前期 | A1 | 7.45 | 51.2% | 65.3% | 71 | 121 | 35 | 27 | 17 | 0 | 0 | 4 | 3 | 0.13 |
| 14後期 | A1 | 8.22 | 53.6% | 80.5% | 72 | 123 | 46 | 20 | 33 | 0 | 0 | 8 | 2 | 0.14 |
| 14前期 | A1 | 8.05 | 67.3% | 85.9% | 65 | 92 | 33 | 29 | 17 | 0 | 0 | 7 | 1 | 0.16 |
| 13後期 | A1 | 7.38 | 50.9% | - | 67 | 104 | 30 | 23 | 0 | 0 | 0 | 1 | 1 | 0.16 |
| 13前期 | A1 | 7.84 | 60.1% | - | 73 | 103 | 32 | 30 | 0 | 0 | 0 | 6 | 1 | 0.14 |
| 12後期 | A1 | 7.65 | 50.4% | - | 70 | 109 | 31 | 24 | 0 | 0 | 0 | 4 | 1 | 0.13 |
| 12前期 | A1 | 7.57 | 51.2% | - | 71 | 117 | 38 | 22 | 0 | 0 | 0 | 3 | 1 | 0.13 |
| 11後期 | A1 | 7.89 | 56.5% | - | 73 | 122 | 41 | 28 | 0 | 0 | 0 | 3 | 2 | 0.13 |
| 11前期 | A1 | 7.55 | 50.9% | - | 69 | 102 | 36 | 16 | 0 | 0 | 0 | 4 | 2 | 0.14 |
| 10後期 | A1 | 8.24 | 54.9% | - | 73 | 122 | 45 | 22 | 0 | 0 | 0 | 7 | 1 | 0.13 |
| 10前期 | A1 | 8.01 | 58.0% | - | 70 | 93 | 34 | 20 | 0 | 0 | 0 | 4 | 0 | 0.14 |
| 09後期 | A1 | 7.71 | 45.1% | - | 74 | 113 | 29 | 22 | 0 | 0 | 0 | 4 | 0 | 0.14 |
| 09前期 | A1 | 7.66 | 55.6% | - | 73 | 106 | 30 | 29 | 0 | 0 | 0 | 5 | 1 | 0.15 |