Key Best (JPN) Horse
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About
Key Best is a 3yo bay horse from Japan trained by Yoshimi Masayuki. She is by Eishin Flash out of Key Cookie and has recorded a single win so far. On 4 March 2026 at Himeji, she captured her most important victory, taking the $1,330,000 Race 6 (c2). The horse has proved profitable for bettors, delivering an 18% return on investment for those who backed her throughout her career.
Race Record
| Event Summary | Runner Stats | Rank |
|---|---|---|
| Sonoda 07-May-26 1400m R8 Race 8 (c1) (of $2,090,000) Barrier 1, Winning Time: 01:30.800, SP: 26.00 1st G T Eight ( S Yamamoto 126 ) 2nd Super Azulada ( T Tano 126 ) 9.00L 3rd Kurino Kuchan ( N Tasuku 126 ) 9.50L 8th Key Best ( K Sugiura 126 ) 19.80L See full results | K Sugiura 57.2kg 19.80L | 8 (9) |
| Sonoda 21-Apr-26 820m GOOD R6 Race 6 (c1) (of $1,900,000) Barrier 3, Winning Time: 00:50.600, SP: 13.00 1st Dual Task ( T Sasada 126 ) 2nd Buffe ( H Souta 126 ) 1.50L 3rd Inti Pyro ( O Shimohara 121 ) 0.50L 10th Key Best ( K Sugiura 126 ) 9.70L See full results | K Sugiura 57.2kg 9.70L | 10 (10) |
| Sonoda 02-Apr-26 1230m HEAVY R9 Race 9 (c1) (of $1,900,000) Barrier 11, Winning Time: 01:19.600, SP: 7.00 1st Flash Kelly ( O Shimohara 121 ) 2nd Elpizo ( K Futoshi 121 ) 5.00L 3rd Scat Melody ( T Yoshimura 126 ) 5.00L 9th Key Best ( K Sugiura 126 ) 18.50L See full results | K Sugiura 57.2kg 18.50L | 9 (12) |
| Himeji 04-Mar-26 800m HEAVY R6 Race 6 (c2) $700,000 (of $1,330,000) Barrier 9, Winning Time: 00:51.000, SP: 13.00 1st Key Best ( K Sugiura 126 ) 2nd Eiraku ( W Hirose 121 ) 0.00L 3rd Angler ( S Serei 121 ) 0.50L See full results | K Sugiura 57.2kg | 1 (12) |
| Fukushima 28-Jun-25 1200m GOOD R8 Md (of $10,600,000) Barrier 9, Winning Time: 01:08.900, SP: 51.00 1st Basileia ( M Muto 121 ) 2nd Lucero Azzurri ( A Tsumura 121 ) 0.50L 3rd Rikea Con Panna ( K Kikuzawa 126 ) 0.75L 10th Key Best ( Y Hara 126 ) 9.05L See full results | Y Hara 57.2kg 9.05L | 10 (16) |
| Nakayama 12-Apr-25 1200m FIRM R2 Md (of $10,600,000) Barrier 15, Winning Time: 01:11.900, SP: 51.00 1st B I Forte ( Y Iwata 121 ) 2nd Tableau ( M Matsuoka 121 ) 2.00L 3rd Unexplored ( K Miura 126 ) 1.25L 13th Key Best ( Y Hara 126 ) 10.05L See full results | Y Hara 57.2kg 10.05L | 13 (16) |
| Nakayama 23-Mar-25 1200m R2 Md (of $10,600,000) Barrier 3, Winning Time: 01:12.000, SP: 51.00 1st Summer Sweet Pea ( H Uchida 121 ) 2nd Takka Valiant ( Y Yoshida 126 ) 3.00L 3rd Unexplored ( T Yokoyama 126 ) 1.25L 7th Key Best ( T Endo 119 ) 12.50L See full results | T Endo 54kg 12.50L | 7 (16) |
| Kokura 15-Feb-25 1000m GOOD R3 Md (of $10,600,000) Barrier 7, Winning Time: 00:59.400, SP: 51.00 1st Wild Goer ( I Fukamichi 119 ) 2nd Osumi Light ( S Kato 121 ) 0.30L 3rd Maru Mori Sparkle ( F Izumiya 123 ) 2.50L 6th Key Best ( T Akiyama 126 ) 6.35L See full results | T Akiyama 57.2kg 6.35L | 6 (14) |
| Nakayama 11-Jan-25 1200m HEAVY R1 Md (of $10,600,000) Barrier 3, Winning Time: 01:16.700, SP: 67.00 1st Evelyn Tesoro ( T Yokoyama 121 ) 2nd Shuren ( K Kikuzawa 121 ) 1.00L 3rd Flash Time ( M Kobayashi 117 ) 0.75L 10th Key Best ( Y Hara 123 ) 8.45L See full results | Y Hara 55.8kg 8.45L | 10 (16) |
| Tokyo 26-Oct-24 1600m GOOD R3 Md (of $10,480,000) Barrier 1, Winning Time: 01:40.900, SP: 81.00 1st Alles Gut ( T Kowata 123 ) 2nd Admire Daytona ( C P Lemaire 123 ) 1.75L 3rd Helvetios ( Y Iwata 123 ) 0.00L 16th Key Best ( A Tsumura 123 ) 32.40L See full results | A Tsumura 55.8kg 32.40L | 16 (16) |
| Niigata 28-Jul-24 1600m GOOD R4 (of $7,200,000), Winning Time: 01:35.500, SP: 66/1 1st Prokleia ( R Sakai 121 ) 2nd Dunkeld ( Y Kawada 121 ) 0.75L 3rd Magnesia Brick ( T Danno 121 ) 2.50L 10th Key Best ( Y Ishikawa 121 ) 8.25L See full results | Y Ishikawa 54.9kg 8.25L | 10 (12) |