Burton's Cooper
Lifetime
21.17mph
Rank #721 in breed
Breed percentile
Top 90.5%
vs. 3532 ranked Australian Shepherds
Best single year
21.17mph
2026 · rank #374
Speed over time
3-run average per year · lifetime as reference line
Year-by-year
| Year | MPH | Rank in breed |
|---|---|---|
| 2026 | 21.17 | #374 |
| Lifetime | 21.17 | #721 |