Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters
Trainer Kimura Tetsuya Complete Betting Guide【2023–2025 JRA Data Analysis】
3-year combined win ROI: 68.2%. Turf 76% / Dirt 24% split. 2026 active jockeys: ハマーハ Christophe Lemaire Hiroyuki Uchida Keita Tosaki.
※ Signal ratings apply only to jockeys with 2026 riding records at this stable.
🚦 Distance-Based Betting Signals
◎Top Pick: ROI 100%+○Strong: ROI 80%+ & WinRate 8%+▲Watch: ROI 60%+ & WinRate 6%+×Avoid
Turf~1400m84 starts / ◎0 ○0
Win%: 11.9%Place%: 26.2%Show%: 35.7%ROI: 53.1%
💡 Overall ROI 53.1%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Christophe Lemaire | 22 | 27.3% | 59.1% | 63.6% | 54.5% |
Turf1401~1800m235 starts / ◎0 ○1
Win%: 20.4%Place%: 33.6%Show%: 46.4%ROI: 72.2%
💡 Christophe Lemaire also show solid stats for win or place bets.ROI is on an upward trend. Overall show rate 46.4% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ○ | Christophe Lemaire | 98 | 34.7% | 48.0% | 63.3% | 89.4% |
| × | Keita Tosaki | 25 | 16.0% | 28.0% | 36.0% | 59.6% |
| × | Hiroyuki Uchida | 6 | 16.7% | 16.7% | 16.7% | 45.0% |
Turf1801~2200m89 starts / ◎1 ○1
Win%: 29.2%Place%: 44.9%Show%: 52.8%ROI: 70.4%
💡 Christophe Lemaire stand out with ROI of 102.9%. Primary win bet candidates.Keita Tosaki also show solid stats for win or place bets.ROI is on a slight downward trend. Overall show rate 52.8% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Christophe Lemaire | 35 | 48.6% | 62.9% | 68.6% | 102.9% |
| ○ | Keita Tosaki | 11 | 27.3% | 45.5% | 54.5% | 84.5% |
Turf2201m+54 starts / ◎1 ○0
Win%: 27.8%Place%: 37.0%Show%: 42.6%ROI: 76.5%
💡 Christophe Lemaire stand out with ROI of 110.6%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 42.6% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ◎ | Christophe Lemaire | 17 | 58.8% | 70.6% | 70.6% | 110.6% |
Dirt~1400m44 starts / ◎0 ○0
Win%: 9.1%Place%: 18.2%Show%: 22.7%ROI: 29.3%
💡 Overall ROI 29.3%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| × | Christophe Lemaire | 13 | 15.4% | 23.1% | 23.1% | 51.5% |
Dirt1401~1800m94 starts / ◎0 ○1
Win%: 22.3%Place%: 31.9%Show%: 41.5%ROI: 87.2%
💡 Christophe Lemaire also show solid stats for win or place bets.ROI is on a slight downward trend. Overall show rate 41.5% is high — effective as place anchor.
| Rating | Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|---|
| ○ | Christophe Lemaire | 37 | 35.1% | 59.5% | 67.6% | 85.7% |
※ Jockeys with fewer than 5 starts excluded. Target jockeys limited to 2026 active riders.
⚡ Trainer Betting Strategy
Actionable betting scenarios based on 2026 active jockey data.
🔴 Scenario A【Top Priority】 Turf 2201m+
◎ Jockeys: Christophe Lemaire (110.6%)
Overall ROI 76.5% / Show rate 42.6%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
🟡 Scenario B【Secondary】 Turf 1801~2200m
◎ Jockeys: Christophe Lemaire (102.9%)
Overall ROI 70.4% / Show rate 52.8%. Bet aggressively when ◎ jockeys confirmed.
💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.
⚫ Conditions to Avoid
- Turf ~1400m (overall ROI 53.1%): No ◎/○ jockeys. Place/Wide only.
- Dirt ~1400m (overall ROI 29.3%): No ◎/○ jockeys. Place/Wide only.
📋 Jockey Substitution Checklist
| Jockey | Best Condition | Best ROI | Overall ROI | Recommended Bet |
|---|---|---|---|---|
| Keita Tosaki | Turf 2201m+ | 320.0% | 86.4% | Win+Place |
| Christophe Lemaire | Turf 2201m+ | 110.6% | 86.5% | Win+Place |
| Hiroyuki Uchida | Turf 1401~1800m | 45.0% | 33.8% | Place only |
📊 Data Details (Supporting Evidence)
Detailed stats supporting the signal ratings above.
Overall Performance by Year
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 212 | 20.8% | 32.1% | 42.5% | 71.6% |
| 2024 | 203 | 17.7% | 26.6% | 39.4% | 56.1% |
| 2025 | 191 | 23.0% | 40.3% | 46.1% | 77.3% |
| Total | 606 | 20.5% | 32.8% | 42.6% | 68.2% |
Turf Performance by Year × Distance
Turf Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 31 | 12.9% | 19.4% | 29.0% | 42.9% |
| 2024 | 29 | 10.3% | 24.1% | 37.9% | 79.0% |
| 2025 | 24 | 12.5% | 37.5% | 41.7% | 35.0% |
Turf Mile (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 84 | 21.4% | 36.9% | 48.8% | 68.6% |
| 2024 | 76 | 13.2% | 19.7% | 36.8% | 27.9% |
| 2025 | 75 | 26.7% | 44.0% | 53.3% | 121.1% |
Turf Middle (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 26 | 34.6% | 53.8% | 65.4% | 83.1% |
| 2024 | 32 | 31.2% | 37.5% | 46.9% | 82.2% |
| 2025 | 31 | 22.6% | 45.2% | 48.4% | 47.7% |
Turf Long (2201m+)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 14 | 28.6% | 42.9% | 50.0% | 40.7% |
| 2024 | 18 | 27.8% | 33.3% | 44.4% | 115.0% |
| 2025 | 22 | 27.3% | 36.4% | 36.4% | 67.7% |
Dirt Performance by Year × Distance
Dirt Sprint (~1400m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 18 | 5.6% | 11.1% | 16.7% | 17.8% |
| 2024 | 14 | 7.1% | 14.3% | 21.4% | 25.0% |
| 2025 | 12 | 16.7% | 33.3% | 33.3% | 51.7% |
Dirt Middle (1401~1800m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 37 | 21.6% | 24.3% | 35.1% | 135.9% |
| 2024 | 32 | 21.9% | 37.5% | 46.9% | 60.0% |
| 2025 | 25 | 24.0% | 36.0% | 44.0% | 50.0% |
Dirt Long (1801~2200m)
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2025 | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
Jockey Stats (3-Year Combined / 2026 Active Only)
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Christophe Lemaire | 223 | 36.8% | 53.4% | 62.8% | 86.5% |
| Keita Tosaki | 47 | 21.3% | 34.0% | 42.6% | 86.4% |
| Hiroyuki Uchida | 8 | 12.5% | 12.5% | 12.5% | 33.8% |
Key Jockey Breakdown: Turf × Dirt × Year
▶ Christophe Lemaire
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 57 | 43.9% | 57.9% | 68.4% | 95.1% | 17 | 23.5% | 29.4% | 29.4% | 81.8% |
| 2024 | 59 | 37.3% | 47.5% | 61.0% | 81.4% | 19 | 31.6% | 63.2% | 73.7% | 85.8% |
| 2025 | 56 | 35.7% | 58.9% | 66.1% | 93.2% | 15 | 33.3% | 53.3% | 60.0% | 54.7% |
| Total | 172 | 39.0% | 54.7% | 65.1% | 89.8% | 51 | 29.4% | 49.0% | 54.9% | 75.3% |
▶ Keita Tosaki
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 3 | 33.3% | 33.3% | 66.7% | 226.7% | 3 | 0.0% | 0.0% | 0.0% | 0.0% |
| 2024 | 17 | 11.8% | 23.5% | 41.2% | 85.9% | — | ||||
| 2025 | 23 | 30.4% | 47.8% | 47.8% | 83.5% | 1 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 43 | 23.3% | 37.2% | 46.5% | 94.4% | 4 | 0.0% | 0.0% | 0.0% | 0.0% |
▶ Hiroyuki Uchida
| Year | Turf Starts | Turf Win% | Turf Place% | Turf Show% | Turf ROI | Dirt Starts | Dirt Win% | Dirt Place% | Dirt Show% | Dirt ROI |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| 2024 | 1 | 0.0% | 0.0% | 0.0% | 0.0% | — | ||||
| 2025 | 4 | 25.0% | 25.0% | 25.0% | 67.5% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
| Total | 6 | 16.7% | 16.7% | 16.7% | 45.0% | 2 | 0.0% | 0.0% | 0.0% | 0.0% |
Grade Race Performance (G1 / G2 / G3)
G1
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 12 | 33.3% | 41.7% | 41.7% | 58.3% |
| 2024 | 13 | 23.1% | 30.8% | 30.8% | 136.9% |
| 2025 | 6 | 50.0% | 50.0% | 50.0% | 161.7% |
| Total | 31 | 32.3% | 38.7% | 38.7% | 111.3% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Christophe Lemaire | 11 | 54.5% | 54.5% | 54.5% | 126.4% |
| Keita Tosaki | 4 | 50.0% | 75.0% | 75.0% | 330.0% |
G2
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 10 | 10.0% | 30.0% | 30.0% | 17.0% |
| 2024 | 11 | 0.0% | 18.2% | 36.4% | 0.0% |
| 2025 | 8 | 25.0% | 37.5% | 37.5% | 132.5% |
| Total | 29 | 10.3% | 27.6% | 34.5% | 42.4% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Christophe Lemaire | 12 | 16.7% | 33.3% | 41.7% | 75.0% |
| Keita Tosaki | 5 | 20.0% | 20.0% | 40.0% | 66.0% |
G3
| Year | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| 2023 | 14 | 21.4% | 35.7% | 50.0% | 95.0% |
| 2024 | 14 | 0.0% | 7.1% | 21.4% | 0.0% |
| 2025 | 13 | 15.4% | 30.8% | 30.8% | 50.0% |
| Total | 41 | 12.2% | 24.4% | 34.1% | 48.3% |
| Jockey | Starts | Win% | Place% | Show% | Win ROI |
|---|---|---|---|---|---|
| Christophe Lemaire | 15 | 6.7% | 26.7% | 40.0% | 10.0% |
| Keita Tosaki | 2 | 100.0% | 100.0% | 100.0% | 435.0% |
※ Extreme ROI values may reflect small samples with high-dividend races. Treat data with fewer than 10 starts as reference only.
※ This data is for reference purposes only and does not constitute investment advice.