| 馬名 | 性別 | 父 | 母 | 生年 |
|---|---|---|---|---|
| Madison Luvs Duke | 騸 | Runhappy | Sweet | 2019 |
| Rotknee | 牡 | Runhappy | In Spite of Mama | 2019 |
| Happy Soul | 牝 | Runhappy | Cowgirl Lucky | 2019 |
| Luvahappyending | 牝 | Runhappy | Frosted Snow | 2019 |
| Solicitation | 牝 | Runhappy | Wilshewed | 2020 |
| Gamerun | 騸 | Runhappy | Kelwynne | 2020 |
| シゲルソロソロ | 牝 | Runhappy | Distinguishable | 2020 |
| Fast N Happy | 牝 | Runhappy | One Fast Frog | 2020 |
| Happy Am I | 牝 | Runhappy | Cat Dance | 2020 |
| Happy Time | 牝 | Runhappy | Deadline | 2020 |
| Neutralize | 牝 | Runhappy | Spank | 2020 |
| Somebody's Problem | 牝 | Runhappy | Firsthand Report | 2020 |
| Runaholic | 牡 | Runhappy | Workaholic | 2020 |
| Jay | 騸 | Runhappy | I'm Always Hopeful | 2020 |
| ハカイシン | 牡 | Runhappy | Elarose | 2020 |
| Happy Is a Choice | 騸 | Runhappy | Fast Alexia | 2020 |
| Wellareyouhappynow | 牝 | Runhappy | フロイライン | 2021 |
| Fast Motion | 牝 | Runhappy | Cookie Girl | 2021 |
| Nutella Fella | 牡 | Runhappy | Krissy's Candy | 2021 |
| Tanya Showers | 牝 | Runhappy | Miss Mary Pat | 2021 |