A typical Bullmastiff tops out around 21.4 mph in Fast CAT. The fastest one on record ran 27.79 mph. 1.3 mph slower than the typical dog (22.7 mph). Even a typical Bullmastiff would beat most people in a 100-yard sprint.
Based on the best Fast CAT run of 165 Bullmastiffs, a typical Bullmastiff tops out at 21.4 mph, and half of them run faster than 22.0 mph. That makes the Bullmastiff the 123rd fastest of the 226 breeds that have run Fast CAT.
17 Bullmastiffs have topped 25 mph, but none has reached 30 yet.
Among the most popular Working breeds, the typical Bullmastiff is the slowest of the 9. The Boxer is the quickest of the bunch at 25.2 mph, and the Samoyed (21.4 mph) runs closest to the Bullmastiff. Over Fast CAT's 100 yards, the 3.8 mph gap to the Boxer is about 1.44 seconds.
Banshee's Dream Lover holds the fastest consistent run by any Bullmastiff: 27.79 mph at the Bayshore Companion Dog Club in New Jersey on October 2, 2021. That's 100 yards in 7.36 seconds.
Not lately. The typical Bullmastiff ran 22.7 mph in 2021 (32 dogs) and 20.6 mph in 2025 (44 dogs). As more everyday pets join in, the average moves around.
Florida has the most Bullmastiff runs, 324 of them, followed by New Jersey, Illinois, Texas. The fastest Bullmastiff run in Florida is 27.57 mph.
Any AKC-registered Bullmastiff over 12 months old can enter, and your dog runs alone down a straight 100 yards. Most dogs figure out the lure fast. Have someone your dog will run to waiting past the finish line, because a dog that stops to check on you can lose a second or two.
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Speeds from AKC Fast CAT results. Photographers: spotted your work? Tell us at [email protected] and we'll credit it or take it down.