Yoichi Kuroiwa
Yoichi Kuroiwa is a horse trainer based in JPN, specialising in Flat racing. From 109 career runners, he has saddled 11 winners, at a 10.1% strike rate. He has earned £6.7M in prize money. He currently has 30 horses in his stable. His strongest record is at Sapporo (JPN) (1w from 3r).
Career Statistics
Win Rate
10.1%
Total Wins
11
Total Runs
109
Active Horses
30
Prize Money
£6.7M
Recent Form
Season Performance
Win Rate % · Prize Money (£k) · Runs
- Runs
- Prize £k
- Win Rate %
Recent Results
Last 20 runners| Date | Horse | Course | Race | Pos | Jockey | SP | Prize £ |
|---|---|---|---|---|---|---|---|
| 26 Apr | Femme Courageuse (JPN) | Tokyo (JPN) | Sankei Sports Sho Flora Stakes (Fillies) (Turf) | 10 | Takeshi Yokoyama | 81/10 | £0 |
| 11 Apr | Ascoli Piceno (JPN) | Hanshin (JPN) | Sankei Sports Hai Hanshin Himba Stakes (Fillies & Mares) (Turf) | 10 | Ryusei Sakai | 23/10 | £0 |
| 11 Apr | Go Lucky (JPN) | Nakayama (JPN) | New Zealand Trophy (Turf) | 6 | Takeshi Yokoyama | 27/10 | £0 |
| 28 Mar | Up Helly Aa (JPN) | Hanshin (JPN) | Mainichi Hai (Turf) | 4 | Seinosuke Yoshimura | 41/10 | £29.4k |
| 22 Feb | Perriere (JPN) | Tokyo (JPN) | February Stakes (Dirt) | 10 | Daisuke Sasaki | 32/1 | £0 |
| 07 Dec | Perriere (JPN) | Chukyo (JPN) | Champions Cup (3yo+) (Dirt) | 10 | Daisuke Sasaki | 246/1 | £0 |
| 23 Nov | Ascoli Piceno (JPN) | Kyoto (JPN) | Mile Championship (3yo+) (Turf) | 7 | Christophe-Patrice Lemaire | 13/2 | £0 |
| 09 Nov | Perriere (JPN) | Kyoto (JPN) | Miyako Stakes (3yo+) (Dirt) | 10 | Daisuke Sasaki | 69/10 | £0 |
| 17 Aug | Ascoli Piceno (JPN) | Deauville (FR) | The Aga Khan Studs Prix Jacques le Marois (3yo+ No Geldings) (Straight Course) (Turf) | 6 | Christophe-Patrice Lemaire | 13/5F | £0 |
| 09 Aug | Perriere (JPN) | Sapporo (JPN) | Elm Stakes (3yo+) (Dirt) | 1 | Daisuke Sasaki | 79/10 | £195.7k |
| 18 May | Ascoli Piceno (JPN) | Tokyo (JPN) | Victoria Mile (4yo+ Fillies & Mares) (Turf) | 1 | Christophe-Patrice Lemaire | 6/4F | £679.9k |
| 22 Feb | Ascoli Piceno (JPN) | Riyadh (KSA) | 1351 Turf Sprint presented by Boutique Group (4yo+) (Inner Track) (Turf) | 1 | Christophe-Patrice Lemaire | 2/1F | £960k |
| 25 Jan | Empire Waist (JPN) | Kokura (JPN) | Kokura Himba Stakes Handicap) (4yo+ Fillies & Mares) (Turf) | 10 | Genki Maruyama | 42/1 | £0 |
| 11 Jan | Perriere (JPN) | Chukyo (JPN) | Subaru Stakes () (4yo+) (Dirt) | 11 | Yukito Ishikawa | 54/10 | £0 |
| 10 Nov | Empire Waist (JPN) | Fukushima (JPN) | Fukushima Kinen Handicap) (3yo+) (Turf) | 6 | Akihide Tsumura | 118/10 | £0 |
| 09 Nov | Perriere (JPN) | Tokyo (JPN) | Tokyo Chunichi Sports Hai Musashino Stakes (3yo+) (Dirt) | 3 | Yukito Ishikawa | 123/10 | £56.1k |
| 02 Nov | Ascoli Piceno (JPN) | Rosehill (AUS) | James Squire Golden Eagle (Conditions) (4yo) (Turf) | 12 | Joao Moreira | 21/10F | £16k |
| 08 Sept | Ascoli Piceno (JPN) | Nakayama (JPN) | Keisei Hai Autumn Handicap (3yo+) (Turf) | 1 | Christophe-Patrice Lemaire | 1/2F | £231.5k |
| 04 Aug | Natural High (JPN) | Sapporo (JPN) | Elm Stakes (3yo+) (Dirt) | 8 | Takezo Nagano | 39/10 | £0 |
| 14 Jul | Empire Waist (JPN) | Hakodate (JPN) | Hakodate Kinen Handicap) (3yo+) (Turf) | 15 | Takeshi Yokoyama | 12/1 | £0 |
Strike Rate by Course & Distance
Win % by course (rows) and distance band (columns). Min 1 run to show a cell.
| Course | 5f | 6f | 7f | 1m | 1m2f | 1m4f+ |
|---|---|---|---|---|---|---|
| Tokyo (JPN) | — | — | 0% | 15% | 0% | 0% |
| Nakayama (JPN) | — | 0% | — | 14% | 13% | 0% |
| Hanshin (JPN) | — | — | — | 17% | 17% | — |
| Kyoto (JPN) | — | — | — | 0% | 0% | 0% |
| Chukyo (JPN) | — | — | 0% | — | 0% | — |
| Hakodate (JPN) | — | 0% | — | 0% | 0% | — |
| Niigata (JPN) | — | — | 0% | 50% | 0% | — |
| Sapporo (JPN) | — | — | — | 50% | 0% | — |
Going Performance
Based on the 97 most recent results stored in our database for this trainer.
Distance Performance
Based on the 97 most recent results stored in our database for this trainer.
Course Specialists
Where this trainer wins most often (minimum 3 runners at a track).
Class Performance
Win rates by race class (1–7).
No class data yet.
Seasonality
Monthly win rate across stored results.
Jockey Partnerships
Most successful retained jockeys (minimum 3 rides).
Owner Partnerships
Top owners sending horses to this trainer (minimum 2 runners).
Surface Split
Turf vs All-Weather strike rates.
Turf
Runs
84
Wins
7
Win Rate
8%
AW
Runs
11
Wins
2
Win Rate
18%
Dirt
Runs
2
Wins
0
Win Rate
0%
Flat vs Jumps
Separate stats for each racing code.
Runs
97
Wins
9
Win %
9%
Place %
26%
Top Horses
Star horses ranked by career wins, then total prize money earned.
Biggest Wins
Most valuable victories from stored results.
1351 Turf Sprint presented by Boutique Group (4yo+) (Inner Track) (Turf)
Ascoli Piceno (JPN) · Riyadh (KSA) · 22 Feb 2025
Victoria Mile (4yo+ Fillies & Mares) (Turf)
Ascoli Piceno (JPN) · Tokyo (JPN) · 18 May 2025
Hanshin Juvenile Fillies (2yo) (Turf)
Ascoli Piceno (JPN) · Hanshin (JPN) · 10 Dec 2023
Shion Stakes (3yo Fillies) (Turf)
Passing Through (JPN) · Nakayama (JPN) · 7 Sept 2019
Unicorn Stakes (3yo) (Dirt)
Perriere (JPN) · Tokyo (JPN) · 18 Jun 2023
Keisei Hai Autumn Handicap (3yo+) (Turf)
Ascoli Piceno (JPN) · Nakayama (JPN) · 8 Sept 2024
Mainichi Hai (3yo) (Turf)
Musee Alien (JPN) · Hanshin (JPN) · 28 Mar 2015
Niigata Nisai Stakes (2yo) (Turf)
Ascoli Piceno (JPN) · Niigata (JPN) · 27 Aug 2023
Elm Stakes (3yo+) (Dirt)
Perriere (JPN) · Sapporo (JPN) · 9 Aug 2025
Market Performance
Starting prices of winners — average, extremes, and distribution.
Avg Winner SP
5.2/1
Shortest Winner
0.5/1
Biggest Winner
13/1
Winner SP Distribution
Age Performance
Win rates by horse age, based on the current stable roster.
Active Stable Roster — Top 50 by rating
| Horse | Form | OR | Wins | Runs | Prize £ | Type |
|---|---|---|---|---|---|---|
| Perriere (JPN) (JPN) | — | 107 | 2 | 9 | £529.8k | Flat |
| Lovely Your Eyes (JPN) (JPN) | — | — | 0 | 3 | £254.6k | Flat |
| Femme Courageuse (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Ascoli Piceno (JPN) (JPN) | — | — | 5 | 11 | £3.2M | Flat |
| Go Lucky (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Up Helly Aa (JPN) (JPN) | — | — | 0 | 1 | £29.4k | Flat |
| Empire Waist (JPN) (JPN) | — | — | 0 | 3 | £0 | Flat |
| Natural High (JPN) (JPN) | — | — | 0 | 2 | £53.9k | Flat |
| Rouge Eveil (JPN) (JPN) | — | — | 0 | 9 | £895.7k | Flat |
| Tiger Dragon (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Meiner Bricks (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Jazz Etude (AUS) (AUS) | — | — | 0 | 1 | £0 | Flat |
| Schon Prima (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Reframe (USA) (USA) | — | — | 0 | 6 | £26.4k | Flat |
| Keen Sword (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Dainty Heart (JPN) (JPN) | — | — | 0 | 1 | £23.8k | Flat |
| Cradle (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Passing Through (JPN) (JPN) | — | — | 1 | 8 | £350.5k | Flat |
| Season's Gift (JPN) (JPN) | — | — | 0 | 7 | £315.8k | Flat |
| Musee Alien (JPN) (JPN) | — | — | 1 | 14 | £371.3k | Flat |
| Red Sasha (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| De Gaulle (JPN) (JPN) | — | — | 0 | 3 | £85.9k | Flat |
| Silk Dreamer (JPN) (JPN) | — | — | 0 | 6 | £0 | Flat |
| Twilight Life (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Hilda (JPN) (JPN) | — | — | 0 | 2 | £40.6k | Flat |
| Lucky Box (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Tangible (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
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