Head-to-head
Pick any two dogs from the same or different breeds.
Flatirons Aspen At Willow Tree
Leonberger · Bitch
Lifetime avg
24.16
Rank #21
Best year
23.98
2025
Breed top %
15%
of 145
Years active
2
2025–2026
Best rank
#5
in breed
Speed trend
-1.64
mph first→latest
Dog B