Hiroyuki Go Yakumo Sou STR
Lifetime
19.50mph
Rank #46 in breed
Breed percentile
Top 84.7%
vs. 59 ranked Japanese Akitainus
Best single year
19.50mph
2026 · rank #13
Speed over time
3-run average per year · lifetime as reference line
Year-by-year
| Year | MPH | Rank in breed |
|---|---|---|
| 2026 | 19.50 | #13 |
| Lifetime | 19.50 | #46 |