Brussels griffon is the slowest dog breed ranked first in this with a distinctive appearance.
The top speed of Brussels griffon is 20 miles per hour, as these are the slowest dogs with adorable personalities.
Expressive eyes and silky coat make it the favourite small dog among dog lovers.
Relaxed and calm dogs are the slowest dogs with affectionate nature with luxurious coats.
French bulldogs are the most popular small dogs, with speeds of no more than 15 miles per hour.
The last slowest small dogs run slower due to their little legs and can be stubborn during training.