Butterfield's Luko
Lifetime
19.03mph
Rank #834 in breed
Breed percentile
Top 96.9%
vs. 2750 ranked Border Collies
Best single year
19.03mph
2025 · rank #516
Speed over time
3-run average per year · lifetime as reference line
Year-by-year
| Year | MPH | Rank in breed |
|---|---|---|
| 2025 | 19.03 | #516 |
| Lifetime | 19.03 | #834 |