Jackson XXVII
Lifetime
21.03mph
Rank #728 in breed
Breed percentile
Top 90.6%
vs. 3077 ranked Australian Shepherds
Best single year
21.03mph
2026 · rank #315
Speed over time
3-run average per year · lifetime as reference line
Year-by-year
| Year | MPH | Rank in breed |
|---|---|---|
| 2026 | 21.03 | #315 |
| Lifetime | 21.03 | #728 |