| 馬名 | 性別 | 父 | 母 | 生年 |
|---|---|---|---|---|
| Iron Brat | 牝 | Grindstone | Incindress | 1998 |
| Pass Me the Rock | 牝 | Grindstone | Magic Blue | 1998 |
| Tricky Elaine | 牝 | Grindstone | Evil Elaine | 1998 |
| Amori | 牝 | Grindstone | Madrona | 1998 |
| チャールストンハーバー | 牝 | Grindstone | Penny's Valentine | 1998 |
| Flojack | 牡 | Grindstone | Exclusive Davis | 1998 |
| Coin Machine | 騸 | Grindstone | Patches | 1998 |
| Just Flo Joe | 牝 | Grindstone | Overseas Romance | 1998 |
| Heavenly Halo | 牝 | Grindstone | Heather's Halo | 1998 |
| Sand Dollar | 牝 | Grindstone | Train Robbery | 1998 |
| Hardrocker | 牡 | Grindstone | Softly Dancing | 1998 |
| Flintheart | 牝 | Grindstone | Faint Heart | 1998 |
| Endear | 牝 | Grindstone | Dancing at Dawn | 1998 |
| Risk Aversion | 牝 | Grindstone | Betamillion Bock | 1998 |
| Redstone | 牡 | Grindstone | Maryland | 1998 |
| Grind | 騸 | Grindstone | Jazz Session | 1998 |
| Pestle | 騸 | Grindstone | Field Point Road | 1998 |
| Launch Stone | 騸 | Grindstone | Luthier's Launch | 1998 |
| Choctaw Ridge | 騸 | Grindstone | Apache Pines | 1998 |
| Whetrock | 牡 | Grindstone | Cuddly Doll | 1998 |