| Nitrogen | |
|---|---|
| Sire | Medaglia d'Oro |
| Grandsire | El Prado |
| Dam | Tiffany Case |
| Damsire | Uncle Mo |
| Sex | Filly |
| Foaled | March 6, 2022 [1] |
| Country | United States |
| Color | Bay |
| Breeder | D J Stable |
| Owner | D J Stable |
| Trainer | Mark E. Casse |
| Record | 11 : 6 – 3 – 2 |
| Earnings | US$1,706,604 [2] |
| Major wins | |
| Florida Oaks (2025) Appalachian Stakes (2025) Edgewood Stakes (2025) Wonder Again Stakes (2025) Alabama Stakes (2025) | |
| Awards | |
| Canadian Champion Two-Year-Old Filly (2024) | |
| Last updated on October 8, 2025 | |
Nitrogen (foaled March 6, 2022) is an American Grade I winning Thoroughbred racehorse. In August 2025 Nitrogen won the prestigious Grade I Alabama Stakes at Saratoga Race Course.
Nitrogen is a bay filly bred and owned by D. J. Stable. Her sire is Medaglia d'Oro and her dam is Tiffany Case who was sired by Uncle Mo. [3]
Nitrogen's sire is Medaglia d'Oro who at the age of 26 stands at Godolphin's Darley Stud in Lexington, Kentucky for $75,000 in 2025. [3]
Nitrogen is trained by the Canadian Horse Racing Hall Of Fame trainer Mark E. Casse.
Nitrogen was named Canadian Champion Two-Year-Old Filly by a 114-62 margin over Souper Supreme as a maiden after her two Grade 1 performances in 2024. [4]
| Date | Distance | Race | Grade | Track | Odds | Field | Finish | Winning Time | Winning (Losing) Margin | Jockey | Ref |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 – Two-year-old season | |||||||||||
| Aug 30, 2024 | 1 mile | Maiden Special Weight | Woodbine | 0.70* | 6 | 2 | 1:39.11 | (neck) | Sahin Civaci | [5] | |
| Sep 14, 2024 | 1 mile | Natalma Stakes | I | Woodbine | 41.35 | 11 | 3 | 1:33.99 | (3⁄4 length) | Sahin Civaci | [6] |
| Nov 1, 2024 | 1 mile | Breeders' Cup Juvenile Fillies Turf | I | Del Mar | 49.60 | 14 | 3 | 1:34.28 | (2+1⁄2 lengths) | José L. Ortiz | [7] |
| 2025 – Three-year-old season | |||||||||||
| Jan 4, 2025 | 1 mile | Ginger Brew Stakes | Listed | Gulfstream Park | 1.80* | 10 | 1 | 1:34.53 | 1⁄2 length | José L. Ortiz | [8] |
| Mar 8, 2025 | 1+1⁄16 miles | Florida Oaks | III | Tampa Bay Downs | 1.50* | 11 | 1 | 1:40.42 | 1⁄2 length | José L. Ortiz | [9] |
| Apr 8, 2025 | 1 mile | Appalachian Stakes | II | Keeneland | 1.20* | 7 | 1 | 1:37.00 | 2+1⁄4 lengths | José L. Ortiz | [10] |
| May 2, 2025 | 1+1⁄16 miles | Edgewood Stakes | II | Churchill Downs | 0.97* | 7 | 1 | 1:41.58 | 3+1⁄2 lengths | José L. Ortiz | [11] |
| Jun 7, 2025 | 1 mile | Wonder Again Stakes [a] | III | Saratoga | 0.40* | 3 | 1 | 1:36.16 | 17 lengths | José L. Ortiz | [12] |
| Jul 5, 2025 | 1+1⁄8 miles | Belmont Oaks | I | Saratoga | 0.40* | 7 | 2 | 1:44.84 [b] | (nose) | José L. Ortiz | [13] |
| Aug 16, 2025 | 1+1⁄4 miles | Alabama Stakes | I | Saratoga | 2.05 | 6 | 1 | 2:03.31 | 1+1⁄2 lengths | José L. Ortiz | [14] |
| Oct 5, 2025 | 1+1⁄8 miles | Spinster Stakes | I | Keeneland | 2.10 | 5 | 2 | 1:49.77 | (head) | José L. Ortiz | [15] |
|}
Legend:
All-weather track Dirt Turf
Notes:
An asterisk after the odds means Nitrogen was the post-time favourite.
| Sire Medaglia d'Oro (1999) | El Prado (IRE) (1989) | Sadler's Wells (1981) | Northern Dancer (1961) |
|---|---|---|---|
| Fairy Bridge (1975) | |||
| Lady Capulet (1974) | Sir Ivor (1965) | ||
| Cap and Bells (1958) | |||
| Cappucino Bay (1989) | Bailjumper (1974) | Damascus (1964) | |
| Court Circuit (1964) | |||
| Dubbed In (1973) | Silent Screen (1967) | ||
| Society Singer (1968) | |||
| Dam Tiffany Case (2013) | Uncle Mo (2008) | Indian Charlie (1995) | In Excess (IRE) (1987) |
| Soviet Sojourn (1989) | |||
| Playa Maya (2000) | Arch (1995) | ||
| Dixie Slippers (1995) | |||
| Biblical Point (2003) | Point Given (1998) | Thunder Gulch (1992) | |
| Turko's Turn(1986) | |||
| Bibical Sense (1990) | Blushing Groom (FR) (1974) | ||
| Star in the North (1971) (family: 1-s) [16] |