Head-to-head
Pick any two dogs from the same or different breeds.
Thunder Mountain Thaddaeus
Parson Russell Terrier · Dog
Lifetime avg
21.88
Rank #136
Best year
21.79
2025
Breed top %
65%
of 295
Years active
2
2025–2026
Best rank
#37
in breed
Speed trend
-0.02
mph first→latest
Dog B