Head-to-head
Pick any two dogs from the same or different breeds.
Rocky Mountain Gun Slinger
Biewer Terrier · Dog
Lifetime avg
20.09
Rank #3
Best year
20.09
2025
Breed top %
5%
of 63
Years active
2
2025–2026
Best rank
#2
in breed
Speed trend
-0.85
mph first→latest
Dog B