Trainer Kurita Toru Complete Betting Guide【2023-2025 JRA Data Analysis】

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Data period: 2023–2025 (JRA) / Target jockeys: 2026 active riders only / Win ROI = theoretical return per ¥100 bet on all starters

Trainer Kurita Toru Complete Betting Guide【2023–2025 JRA Data Analysis】

3-year combined win ROI: 41.5%. Turf 49% / Dirt 51% split. 2026 active jockeys: Kosei Miura Dai Sasaki Kazuma Harada Miku Kobayashi Keita Tosaki 杉原誠人 Kazuo Yokoyama Takeshi Yokoyama 荻野極 菅原明良.

※ 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~1400m108 starts / ◎1 ○0
Win%: 5.6%Place%: 12.0%Show%: 17.6%ROI: 22.5%
💡 Keita Tosaki stand out with ROI of 150.0%. Primary win bet candidates.ROI is stable.
Rating Jockey Starts Win% Place% Show% Win ROI
◎ Keita Tosaki 5 40.0% 40.0% 60.0% 150.0%
× Kazuo Yokoyama 8 0.0% 12.5% 12.5% 0.0%
× 杉原誠人 8 0.0% 0.0% 0.0% 0.0%
× Dai Sasaki 6 0.0% 0.0% 16.7% 0.0%
× Kazuma Harada 5 0.0% 0.0% 0.0% 0.0%
Turf1401~1800m183 starts / ◎0 ○0
Win%: 8.2%Place%: 18.0%Show%: 30.1%ROI: 36.2%
💡 Overall ROI 36.2%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
Rating Jockey Starts Win% Place% Show% Win ROI
▲ Keita Tosaki 11 27.3% 63.6% 81.8% 63.6%
× 菅原明良 8 25.0% 37.5% 37.5% 57.5%
× Takeshi Yokoyama 7 14.3% 14.3% 28.6% 51.4%
× 杉原誠人 15 6.7% 13.3% 20.0% 18.7%
× Kazuo Yokoyama 18 0.0% 0.0% 11.1% 0.0%
Turf1801~2200m134 starts / ◎1 ○0
Win%: 6.0%Place%: 14.2%Show%: 28.4%ROI: 23.8%
💡 菅原明良 stand out with ROI of 127.1%. Primary win bet candidates.ROI is on an upward trend. Overall show rate 28.4% is high — effective as place anchor.
Rating Jockey Starts Win% Place% Show% Win ROI
◎ 菅原明良 7 14.3% 14.3% 28.6% 127.1%
▲ Dai Sasaki 8 12.5% 12.5% 25.0% 61.3%
▲ Kazuo Yokoyama 10 20.0% 30.0% 50.0% 60.0%
× 荻野極 9 11.1% 22.2% 22.2% 37.8%
× Keita Tosaki 8 12.5% 25.0% 25.0% 36.2%
× Takeshi Yokoyama 8 0.0% 0.0% 25.0% 0.0%
Turf2201m+41 starts / ◎0 ○0
Win%: 17.1%Place%: 17.1%Show%: 22.0%ROI: 229.3%
💡 Overall ROI 229.3%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
Rating Jockey Starts Win% Place% Show% Win ROI
▲ Keita Tosaki 6 16.7% 16.7% 33.3% 75.0%
Dirt~1400m136 starts / ◎0 ○0
Win%: 7.4%Place%: 14.7%Show%: 19.9%ROI: 21.2%
💡 Overall ROI 21.2%. No ◎/○ jockeys among active riders. Consider Place/Wide bets only.
Rating Jockey Starts Win% Place% Show% Win ROI
× 菅原明良 8 12.5% 12.5% 37.5% 37.5%
× 杉原誠人 10 10.0% 10.0% 20.0% 30.0%
× Kazuo Yokoyama 9 0.0% 0.0% 11.1% 0.0%
× Keita Tosaki 8 0.0% 25.0% 25.0% 0.0%
× Kazuma Harada 7 0.0% 14.3% 14.3% 0.0%
× Takeshi Yokoyama 6 0.0% 16.7% 16.7% 0.0%
Dirt1401~1800m310 starts / ◎1 ○1
Win%: 8.1%Place%: 17.1%Show%: 27.7%ROI: 37.5%
💡 Kazuma Harada stand out with ROI of 146.7%. Primary win bet candidates.Miku Kobayashi also show solid stats for win or place bets.ROI is on a slight downward trend. Overall show rate 27.7% is high — effective as place anchor.
Rating Jockey Starts Win% Place% Show% Win ROI
◎ Kazuma Harada 15 13.3% 20.0% 33.3% 146.7%
○ Miku Kobayashi 7 28.6% 42.9% 42.9% 94.3%
▲ Kazuo Yokoyama 29 17.2% 24.1% 31.0% 74.1%
▲ Takeshi Yokoyama 18 11.1% 16.7% 27.8% 62.2%
× 菅原明良 14 7.1% 14.3% 28.6% 55.7%
× Kosei Miura 12 8.3% 8.3% 50.0% 27.5%
× Keita Tosaki 16 0.0% 12.5% 37.5% 0.0%
× Dai Sasaki 8 0.0% 0.0% 0.0% 0.0%
× 杉原誠人 8 0.0% 0.0% 12.5% 0.0%

※ 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 ~1400m

◎ Jockeys: Keita Tosaki (150.0%)

Overall ROI 22.5% / Show rate 17.6%. Bet aggressively when ◎ jockeys confirmed.

💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.

🟡 Scenario B【Secondary】 Dirt 1401~1800m

◎ Jockeys: Kazuma Harada (146.7%)

Overall ROI 37.5% / Show rate 27.7%. Bet aggressively when ◎ jockeys confirmed.

💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.

🟡 Scenario C【Secondary】 Turf 1801~2200m

◎ Jockeys: 菅原明良 (127.1%)

Overall ROI 23.8% / Show rate 28.4%. Bet aggressively when ◎ jockeys confirmed.

💰 Recommended: Win + Place. For long-shot ◎ jockeys, go heavier on Place/Wide.

⚫ Conditions to Avoid

  • Turf 1401~1800m (overall ROI 36.2%): No ◎/○ jockeys. Place/Wide only.
  • Dirt ~1400m (overall ROI 21.2%): No ◎/○ jockeys. Place/Wide only.

📋 Jockey Substitution Checklist

Jockey Best Condition Best ROI Overall ROI Recommended Bet
Dai Sasaki Turf 2201m+ 313.3% 49.3% Place only
Keita Tosaki Turf ~1400m 150.0% 40.6% Place only
Kazuma Harada Dirt 1401~1800m 146.7% 66.7% Place
菅原明良 Turf 1801~2200m 127.1% 59.3% Place only
Miku Kobayashi Dirt 1401~1800m 94.3% 60.0% Place
Kazuo Yokoyama Dirt 1401~1800m 74.1% 36.5% Place only
Takeshi Yokoyama Dirt 1401~1800m 62.2% 34.4% Place only
荻野極 Dirt ~1400m 55.0% 24.3% Place only
杉原誠人 Dirt ~1400m 30.0% 12.9% Place only
Kosei Miura Dirt 1401~1800m 27.5% 15.0% 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 289 6.9% 14.9% 22.5% 29.9%
2024 339 8.0% 15.0% 26.3% 56.2%
2025 322 8.1% 17.1% 26.7% 36.4%
Total 950 7.7% 15.7% 25.3% 41.5%

Turf Performance by Year × Distance

Turf Sprint (~1400m)

Year Starts Win% Place% Show% Win ROI
2023 40 10.0% 12.5% 22.5% 33.5%
2024 39 0.0% 10.3% 12.8% 0.0%
2025 29 6.9% 13.8% 17.2% 37.6%

Turf Mile (1401~1800m)

Year Starts Win% Place% Show% Win ROI
2023 50 2.0% 14.0% 26.0% 2.4%
2024 71 12.7% 21.1% 33.8% 73.7%
2025 62 8.1% 17.7% 29.0% 20.5%

Turf Middle (1801~2200m)

Year Starts Win% Place% Show% Win ROI
2023 32 6.2% 18.8% 31.2% 18.1%
2024 51 3.9% 13.7% 27.5% 11.8%
2025 51 7.8% 11.8% 27.5% 39.4%

Turf Long (2201m+)

Year Starts Win% Place% Show% Win ROI
2023 9 22.2% 22.2% 33.3% 84.4%
2024 12 25.0% 25.0% 25.0% 641.7%
2025 20 10.0% 10.0% 15.0% 47.0%

Dirt Performance by Year × Distance

Dirt Sprint (~1400m)

Year Starts Win% Place% Show% Win ROI
2023 45 6.7% 11.1% 11.1% 14.7%
2024 47 6.4% 10.6% 14.9% 25.3%
2025 44 9.1% 22.7% 34.1% 23.6%

Dirt Middle (1401~1800m)

Year Starts Win% Place% Show% Win ROI
2023 107 7.5% 16.8% 23.4% 48.4%
2024 99 9.1% 14.1% 31.3% 34.4%
2025 104 7.7% 20.2% 28.8% 29.1%

Dirt Long (1801~2200m)

Year Starts Win% Place% Show% Win ROI
2023 5 0.0% 0.0% 0.0% 0.0%
2024 15 6.7% 20.0% 33.3% 61.3%
2025 9 11.1% 11.1% 11.1% 261.1%

Jockey Stats (3-Year Combined / 2026 Active Only)

Jockey Starts Win% Place% Show% Win ROI
Kazuo Yokoyama 82 9.8% 14.6% 24.4% 36.5%
Keita Tosaki 54 13.0% 29.6% 44.4% 40.6%
杉原誠人 45 4.4% 6.7% 13.3% 12.9%
Takeshi Yokoyama 43 7.0% 11.6% 25.6% 34.4%
菅原明良 41 12.2% 17.1% 29.3% 59.3%
Kazuma Harada 33 6.1% 12.1% 18.2% 66.7%
Dai Sasaki 29 10.3% 13.8% 20.7% 49.3%
荻野極 23 8.7% 21.7% 30.4% 24.3%
Kosei Miura 22 4.5% 4.5% 31.8% 15.0%
Miku Kobayashi 11 18.2% 36.4% 36.4% 60.0%

Key Jockey Breakdown: Turf × Dirt × Year

▶ Kazuo Yokoyama

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 14 7.1% 21.4% 28.6% 17.1% 16 6.2% 12.5% 18.8% 22.5%
2024 17 11.8% 11.8% 23.5% 35.3% 8 12.5% 12.5% 12.5% 50.0%
2025 9 0.0% 0.0% 22.2% 0.0% 18 16.7% 22.2% 33.3% 77.2%
Total 40 7.5% 12.5% 25.0% 21.0% 42 11.9% 16.7% 23.8% 51.2%

▶ Keita Tosaki

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 5 40.0% 40.0% 40.0% 150.0% 9 0.0% 0.0% 11.1% 0.0%
2024 13 23.1% 53.8% 61.5% 77.7% 6 0.0% 0.0% 16.7% 0.0%
2025 12 16.7% 25.0% 50.0% 35.8% 9 0.0% 44.4% 66.7% 0.0%
Total 30 23.3% 40.0% 53.3% 73.0% 24 0.0% 16.7% 33.3% 0.0%

▶ 杉原誠人

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 8 0.0% 12.5% 25.0% 0.0% 6 0.0% 0.0% 0.0% 0.0%
2024 7 14.3% 14.3% 14.3% 40.0% 8 12.5% 12.5% 37.5% 37.5%
2025 10 0.0% 0.0% 0.0% 0.0% 6 0.0% 0.0% 0.0% 0.0%
Total 25 4.0% 8.0% 12.0% 11.2% 20 5.0% 5.0% 15.0% 15.0%

▶ Takeshi Yokoyama

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 3 0.0% 0.0% 0.0% 0.0% 7 0.0% 14.3% 14.3% 0.0%
2024 8 0.0% 0.0% 25.0% 0.0% 15 13.3% 13.3% 33.3% 74.7%
2025 6 16.7% 16.7% 33.3% 60.0% 4 0.0% 25.0% 25.0% 0.0%
Total 17 5.9% 5.9% 23.5% 21.2% 26 7.7% 15.4% 26.9% 43.1%

▶ 菅原明良

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 4 0.0% 25.0% 50.0% 0.0% 9 11.1% 11.1% 11.1% 86.7%
2024 5 20.0% 20.0% 20.0% 54.0% 3 0.0% 0.0% 33.3% 0.0%
2025 8 25.0% 25.0% 25.0% 135.0% 12 8.3% 16.7% 41.7% 25.0%
Total 17 17.6% 23.5% 29.4% 79.4% 24 8.3% 12.5% 29.2% 45.0%

▶ Kazuma Harada

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 — 12 8.3% 8.3% 8.3% 159.2%
2024 4 0.0% 0.0% 0.0% 0.0% 3 0.0% 0.0% 0.0% 0.0%
2025 6 0.0% 0.0% 0.0% 0.0% 8 12.5% 37.5% 62.5% 36.2%
Total 10 0.0% 0.0% 0.0% 0.0% 23 8.7% 17.4% 26.1% 95.7%

▶ Dai Sasaki

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 5 0.0% 0.0% 20.0% 0.0% 2 0.0% 0.0% 0.0% 0.0%
2024 2 0.0% 0.0% 0.0% 0.0% 1 0.0% 0.0% 0.0% 0.0%
2025 12 25.0% 25.0% 33.3% 119.2% 7 0.0% 14.3% 14.3% 0.0%
Total 19 15.8% 15.8% 26.3% 75.3% 10 0.0% 10.0% 10.0% 0.0%

▶ 荻野極

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 7 0.0% 14.3% 14.3% 0.0% —
2025 7 14.3% 14.3% 14.3% 48.6% 8 12.5% 37.5% 62.5% 27.5%
Total 15 6.7% 13.3% 13.3% 22.7% 8 12.5% 37.5% 62.5% 27.5%

▶ Kosei Miura

Year Turf Starts Turf Win% Turf Place% Turf Show% Turf ROI Dirt Starts Dirt Win% Dirt Place% Dirt Show% Dirt ROI
2023 2 0.0% 0.0% 0.0% 0.0% 3 0.0% 0.0% 0.0% 0.0%
2024 4 0.0% 0.0% 0.0% 0.0% 8 12.5% 12.5% 75.0% 41.2%
2025 2 0.0% 0.0% 0.0% 0.0% 3 0.0% 0.0% 33.3% 0.0%
Total 8 0.0% 0.0% 0.0% 0.0% 14 7.1% 7.1% 50.0% 23.6%

▶ Miku Kobayashi

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 2 0.0% 50.0% 50.0% 0.0% 4 0.0% 25.0% 25.0% 0.0%
2025 2 0.0% 0.0% 0.0% 0.0% 2 100.0% 100.0% 100.0% 330.0%
Total 4 0.0% 25.0% 25.0% 0.0% 7 28.6% 42.9% 42.9% 94.3%

Grade Race Performance (G1 / G2 / G3)

G1

Year Starts Win% Place% Show% Win ROI
2023 4 0.0% 0.0% 25.0% 0.0%
2024 —
2025 —
Total 4 0.0% 0.0% 25.0% 0.0%
Jockey Starts Win% Place% Show% Win ROI
Kazuo Yokoyama 3 0.0% 0.0% 33.3% 0.0%

G2

Year Starts Win% Place% Show% Win ROI
2023 2 50.0% 100.0% 100.0% 120.0%
2024 1 0.0% 0.0% 0.0% 0.0%
2025 2 0.0% 0.0% 0.0% 0.0%
Total 5 20.0% 40.0% 40.0% 48.0%
Jockey Starts Win% Place% Show% Win ROI
Kazuo Yokoyama 2 50.0% 100.0% 100.0% 120.0%
菅原明良 1 0.0% 0.0% 0.0% 0.0%
Kosei Miura 1 0.0% 0.0% 0.0% 0.0%

G3

Year Starts Win% Place% Show% Win ROI
2023 6 0.0% 16.7% 16.7% 0.0%
2024 6 0.0% 33.3% 33.3% 0.0%
2025 8 12.5% 12.5% 12.5% 293.8%
Total 20 5.0% 20.0% 20.0% 117.5%
Jockey Starts Win% Place% Show% Win ROI
Keita Tosaki 4 0.0% 50.0% 50.0% 0.0%
Takeshi Yokoyama 2 0.0% 0.0% 0.0% 0.0%
Kazuo Yokoyama 1 0.0% 0.0% 0.0% 0.0%

※ 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.

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