Castleton's Flora Dee MacNaughton
Lifetime
20.17mph
Rank #318 in breed
Breed percentile
Top 72.0%
vs. 808 ranked Border Terriers
Best single year
19.86mph
2026 · rank #79
Speed over time
3-run average per year · lifetime as reference line
Year-by-year
| Year | MPH | Rank in breed |
|---|---|---|
| 2025 | 19.51 | #132 |
| 2026 | 19.86 | #79 |
| Lifetime | 20.17 | #318 |