Doc Serfass
Lifetime
21.45mph
Rank #743 in breed
Breed percentile
Top 92.5%
vs. 2750 ranked Border Collies
Best single year
21.23mph
2022 · rank #447
Speed over time
3-run average per year · lifetime as reference line
Year-by-year
| Year | MPH | Rank in breed |
|---|---|---|
| 2020 | 17.60 | #226 |
| 2021 | 20.88 | #354 |
| 2022 | 21.23 | #447 |
| 2023 | 18.84 | #497 |
| 2024 | 16.84 | #475 |
| Lifetime | 21.45 | #743 |