In 2017, the Chihuahua crown went to Quick To Be In Serendipity at 18.99 mph, just off 2016's 20.45 mph best, clear of the field — the best of 4 ranked. Line the breeds up by their fastest dog and the Chihuahua lands 166th out of 191. The top 4 averaged 15.5 mph — proof of how deep the Chihuahua talent really runs.
See full AKC Fast CAT speed rankings — by breed, by year, and all-time — on Dash-Hound.