Cosmo Rum Buck (JPN) Horse
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About
Cosmo Rum Buck is a 2yo bay horse from Japan trained by Takahiro Mizuno. He is by the stallion Gold Ship out of Disposablepleasure. Cosmo Rum Buck has not yet broken his maiden, finishing without a win in 10 starts. In his most recent race at Nakayama on 5 April 2026, he was ridden by Miyabi Muto and came in fifth, behind the winner Mr Canberra.
Race Record
| Event Summary | Runner Stats | Rank |
|---|---|---|
| Nakayama 05-Apr-26 1800m R3 Md $590,000 (of $11,280,000) Barrier 11, Winning Time: 01:52.300, SP: 12.00 1st Mr Canberra ( T Yokoyama 126 ) 2nd Morono Kagayaki ( A Tsumura 126 ) 10.00L 3rd Kashino Spark ( F Ishigami 119 ) 12.50L 5th Cosmo Rum Buck ( M Muto 126 ) 16.80L See full results | M Muto 57.2kg 16.80L | 5 (16) |
| Nakayama 15-Mar-26 1800m GOOD R2 Md (of $11,280,000) Barrier 1, Winning Time: 01:56.300, SP: 19.00 1st Takeru Musashi ( Y Iwata 126 ) 2nd Tornado Isle ( C P Lemaire 126 ) 4.00L 3rd Nac Splendor ( Y Yoshida 126 ) 1.25L 6th Cosmo Rum Buck ( M Muto 126 ) 11.70L See full results | M Muto 57.2kg 11.70L | 6 (16) |
| Tokyo 22-Feb-26 2100m FIRM R2 Md $890,000 (of $11,280,000) Barrier 7, Winning Time: 02:15.900, SP: 51.00 1st Bascule ( C P Lemaire 126 ) 2nd B B Agile ( R King 126 ) 1.00L 3rd Crimson Leaf ( N Uezato 119 ) 10.00L 4th Cosmo Rum Buck ( M Muto 126 ) 11.30L See full results | M Muto 57.2kg 11.30L | 4 (13) |
| Tokyo 08-Feb-26 2100m R2 Md (of $11,280,000) Barrier 8 1st G T Black ( T Yokoyama 126 ) 2nd Takeru Musashi ( Y Iwata 126 ) 0.50L 3rd Morono Kagayaki ( A Tsumura 126 ) 9.00L 4th Cosmo Rum Buck ( M Muto 126 ) 11.25L | M Muto 57.2kg 11.25L | 4 (13) |
| Nakayama 04-Jan-26 1800m GOOD R4 Md (of $11,280,000) Barrier 3, Winning Time: 01:57.700, SP: 41.00 1st Satono Richard ( Y Iwata 126 ) 2nd Paradise Faith ( G Maruyama 126 ) 0.30L 3rd Kashima Raifu ( M Matsuoka 126 ) 5.00L 8th Cosmo Rum Buck ( Y Tannai 126 ) 16.10L See full results | Y Tannai 57.2kg 16.10L | 8 (12) |
| Nakayama 14-Dec-25 2000m GOOD R3 Md (of $10,600,000) Barrier 3, Winning Time: 02:05.300, SP: 151.00 1st Large Ensemble ( M Iwata 123 ) 2nd Lucky Switch ( T Danno 123 ) 5.00L 3rd Jacket Pocket ( Y Ishikawa 123 ) 0.30L 9th Cosmo Rum Buck ( M Muto 123 ) 14.25L See full results | M Muto 55.8kg 14.25L | 9 (18) |
| Nakayama 20-Sep-25 2000m GOOD R2 Md (of $10,600,000) Barrier 3, Winning Time: 02:03.900, SP: 101.00 1st Porphyrogennetos ( K Tosaki 121 ) 2nd Arde Kingdom ( T Eda 121 ) 2.50L 3rd Coeur Fidele ( D Sasaki 121 ) 0.30L 14th Cosmo Rum Buck ( M Muto 121 ) 14.60L See full results | M Muto 54.9kg 14.60L | 14 (14) |
| Nakayama 07-Sep-25 2000m GOOD R4 Md (of $10,600,000) Barrier 1, Winning Time: 02:06.000, SP: 81.00 1st Meiner Master ( A Tsumura 121 ) 2nd Just My Way ( C P Lemaire 121 ) 0.30L 3rd Meiner Lihim ( K Tosaki 121 ) 0.75L 9th Cosmo Rum Buck ( M Muto 121 ) 6.00L See full results | M Muto 54.9kg 6.00L | 9 (10) |
| Niigata 24-Aug-25 2000m GOOD R5 Newcomer Race (newc) (of $14,250,000) Barrier 2, Winning Time: 02:08.000, SP: 19.00 1st Cosmo Elvar ( Y Hara 121 ) 2nd Cantina ( T Ono 121 ) 0.50L 3rd Fighter Jet ( A Sugawara 121 ) 1.00L 13th Cosmo Rum Buck ( A Tsumura 121 ) 24.00L See full results | A Tsumura 54.9kg 24.00L | 13 (14) |