Head-to-head
Pick any two dogs from the same or different breeds.
Marshall Grosswiler
German Shepherd Dog · Dog
Lifetime avg
26.01
Rank #269
Best year
25.96
2023
Breed top %
30%
of 2474
Years active
2
2023–2025
Best rank
#134
in breed
Speed trend
-0.41
mph first→latest
Dog B