4 Chihuahuas chased the lure into the AKC Fast CAT rankings in 2017, and Quick To Be In Serendipity blazed to the front at 18.99 mph — 100 yards in a flat 10.77 seconds, clear of the field. The top 4 averaged 15.5 mph, just off 2016's 20.45 mph best — 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.