Katsunori Arayama
Katsunori Arayama is a horse trainer based in JPN, specialising in Flat racing. From 56 career runners, he has saddled 3 winners, at a 5.4% strike rate. He has earned £2M in prize money. He currently has 29 horses in his stable. His strongest record is at Tokyo (JPN) (4w from 18r).
Career Statistics
Win Rate
5.4%
Total Wins
3
Total Runs
56
Active Horses
29
Prize Money
£2M
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 £ |
|---|---|---|---|---|---|---|---|
| 01 Feb | Neo Tokio (JPN) | Tokyo (JPN) | Negishi Stakes (Dirt) | 15 | Yoichi Ando | 206/1 | £0 |
| 01 Feb | Saint Honore (JPN) | Tokyo (JPN) | Negishi Stakes (Dirt) | 10 | Norihiro Yokoyama | 181/10 | £0 |
| 29 Dec | Diktaean (JPN) | Ohi (JPN) | 71st Tokyo Daishoten (3yo+) (Dirt) | 1 | Takayuki Yano | 76/1 | £508.2k |
| 09 Oct | Exult (JPN) | Ohi (JPN) | Tokyo Hai (Local (Dirt) | 11 | Ryo Nobata | — | £0 |
| 07 Sept | Diktaean (JPN) | Seoul (KOR) | Korea Cup (3yo ) (Dirt) | 1 | Takayuki Yano | 61/10 | £432.4k |
| 27 Jul | Exult (JPN) | Chukyo (JPN) | Tokai Stakes (3yo+) (Dirt) | 12 | Norifumi Mikamoto | 103/1 | £0 |
| 26 Jun | Diktaean (JPN) | Ohi (JPN) | Teio Sho (Local (Dirt) | 3 | Kazuo Yokoyama | — | £89.1k |
| 22 Jan | Diktaean (JPN) | Chukyo (JPN) | Tokai TV Hai Tokai Stakes (4yo+) (Dirt) | 9 | Kohei Matsuyama | 42/1 | £0 |
| 26 Apr | Riko Walther (JPN) | Kyoto (JPN) | Yomiuri Milers Cup (4yo+) (Turf) | 9 | Daisuke Mashima | 204/1 | £0 |
| 23 Feb | Nonkono Yume (JPN) | Tokyo (JPN) | February Stakes (4yo+) (Dirt) | 8 | Daisuke Mashima | 28/1 | £0 |
| 19 Oct | Riko Walther (JPN) | Tokyo (JPN) | Fuji Stakes (3yo+) (Turf) | 16 | Hiroyuki Uchida | 330/1 | £0 |
| 30 Mar | Nonkono Yume (JPN) | Meydan (UAE) | Godolphin Mile Sponsored By Mohammed bin Rashid Al Maktoum City-District One (Dirt) | 10 | Joao Moreira | 28/1 | £0 |
| 17 Feb | Nonkono Yume (JPN) | Tokyo (JPN) | February Stakes (4yo+) (Dirt) | 13 | Hiroyuki Uchida | 169/10 | £0 |
| 19 Dec | Jardinero (JPN) | Kawasaki (JPN) | Zen-Nippon Nisai Yushun (Local (Dirt) | 9 | Daisuke Mashima | 415/1 | £0 |
| 02 Dec | Nonkono Yume (JPN) | Chukyo (JPN) | Champions Cup (3yo+) (Dirt) | 7 | Hiroyuki Uchida | 124/10 | £0 |
| 04 Nov | Nonkono Yume (JPN) | Kyoto (JPN) | JBC Classic (Local (Dirt) | 4 | Hiroyuki Uchida | 112/10 | £92k |
| 10 Oct | Copano Lisbon (JPN) | Ohi (JPN) | Tokyo Hai (Local (Dirt) | 9 | Daisuke Mashima | 274/1 | £0 |
| 08 Oct | Nonkono Yume (JPN) | Morioka (JPN) | Mile Championship Nambu Hai (Local (Dirt) | 4 | Hiroyuki Uchida | 89/10 | £26.6k |
| 30 May | Trovao (JPN) | Urawa (JPN) | Sakitama Hai (Local (Dirt) | 5 | Norifumi Mikamoto | 79/1 | £10.2k |
| 25 Mar | Roi Jardin (JPN) | Nakayama (JPN) | March Stakes Handicap) (4yo+) (Dirt) | 3 | Daisuke Mashima | 48/1 | £59.7k |
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+ |
|---|---|---|---|---|---|---|
| Ohi (JPN) | — | 0% | — | — | 13% | — |
| Tokyo (JPN) | — | — | 33% | 21% | 0% | — |
| Kawasaki (JPN) | — | — | — | 0% | 0% | — |
| Chukyo (JPN) | — | — | 0% | — | 0% | — |
| Funabashi (JPN) | — | — | — | 0% | 33% | 0% |
| Kyoto (JPN) | — | — | 0% | 0% | 14% | — |
| Nakayama (JPN) | — | — | — | — | 0% | 0% |
| Morioka (JPN) | — | — | — | 0% | 0% | — |
Going Performance
Based on the 111 most recent results stored in our database for this trainer.
Distance Performance
Based on the 111 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.
AW
Runs
72
Wins
6
Win Rate
8%
Turf
Runs
9
Wins
0
Win Rate
0%
Dirt
Runs
29
Wins
5
Win Rate
17%
None
Runs
1
Wins
0
Win Rate
0%
Flat vs Jumps
Separate stats for each racing code.
Runs
111
Wins
11
Win %
10%
Place %
30%
Top Horses
Star horses ranked by career wins, then total prize money earned.
Biggest Wins
Most valuable victories from stored results.
February Stakes (4yo+) (Dirt)
Nonkono Yume (JPN) · Tokyo (JPN) · 18 Feb 2018
71st Tokyo Daishoten (3yo+) (Dirt)
Diktaean (JPN) · Ohi (JPN) · 29 Dec 2025
Korea Cup (3yo ) (Dirt)
Diktaean (JPN) · Seoul (KOR) · 7 Sept 2025
JBC Ladies' Classic (Local (Dirt)
Lalabel (JPN) · Ohi (JPN) · 3 Nov 2017
Negishi Stakes (4yo+) (Dirt)
Nonkono Yume (JPN) · Tokyo (JPN) · 28 Jan 2018
Japan Dirt Derby (Local (Dirt)
Nonkono Yume (JPN) · Ohi (JPN) · 8 Jul 2015
Tokyo Chunichi Sports Hai Musashino Stakes (3yo+) (Dirt)
Nonkono Yume (JPN) · Tokyo (JPN) · 14 Nov 2015
Miyako Stakes (3yo+) (Dirt)
Roi Jardin (JPN) · Kyoto (JPN) · 8 Nov 2015
Unicorn Stakes (3yo) (Dirt)
Nonkono Yume (JPN) · Tokyo (JPN) · 21 Jun 2015
Queen Sho Handicap (Local (Fillies & Mares) (Dirt)
Red Claudia (JPN) · Funabashi (JPN) · 5 Dec 2012
Market Performance
Starting prices of winners — average, extremes, and distribution.
Avg Winner SP
16.1/1
Shortest Winner
2.8/1
Biggest Winner
76/1
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 |
|---|---|---|---|---|---|---|
| Nonkono Yume (JPN) (JPN) | — | 114 | 5 | 21 | £2.4M | Flat |
| Blue Chipper (JPN) (JPN) | — | — | 0 | 7 | £105.4k | Flat |
| Neo Tokio (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Saint Honore (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Diktaean (JPN) (JPN) | — | — | 2 | 4 | £1M | Flat |
| Exult (JPN) (JPN) | — | — | 0 | 2 | £0 | Flat |
| Riko Walther (JPN) (JPN) | — | — | 0 | 3 | £0 | Flat |
| Jardinero (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Copano Lisbon (JPN) (JPN) | — | — | 0 | 2 | £0 | Flat |
| Trovao (JPN) (JPN) | — | — | 0 | 2 | £28.9k | Flat |
| Roi Jardin (JPN) (JPN) | — | — | 1 | 14 | £637.3k | Flat |
| Lalabel (JPN) (JPN) | — | — | 1 | 8 | £458.2k | Flat |
| Party Dress (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Linda Linda (JPN) (JPN) | — | — | 0 | 5 | £184.5k | Flat |
| Fusaichi Mirai (JPN) (JPN) | — | — | 0 | 2 | £0 | Flat |
| Giardino (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Red Claudia (JPN) (JPN) | — | — | 1 | 12 | £364.8k | Flat |
| Power Struggle (JPN) (JPN) | — | — | 1 | 7 | £203.4k | Flat |
| Pierre Tiger (JPN) (JPN) | — | — | 0 | 2 | £0 | Flat |
| Art Sahara (JPN) (JPN) | — | — | 0 | 3 | £75.1k | Flat |
| Graziella (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Chocolat Verrine (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Terra The Cloud (JPN) (JPN) | — | — | 0 | 1 | £31.6k | Flat |
| Baro's Heart (JPN) (JPN) | — | — | 0 | 5 | £0 | Flat |
| Valley Of Rose (JPN) (JPN) | — | — | 0 | 1 | £0 | Flat |
| Ganar (JPN) (JPN) | — | — | 0 | 2 | £0 | Flat |
| Hermia (JPN) (JPN) | — | — | 0 | 1 | £74.6k | Flat |
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