In 2025, the Affenpinscher crown went to Tamarin Thomas Of Canterbury at 18.69 mph, up from 16.90 mph the year before, clear of the field — the best of 4 ranked. That top speed makes the Affenpinscher the 240th-fastest of 249 breeds in 2025. The top 4 came in at 15.8 mph on average.
See full AKC Fast CAT speed rankings — by breed, by year, and all-time — on Dash-Hound.