Is the Mau belly flap part of why they look so quick when running?

That's exactly it. That loose belly flap-the "primordial pouch"-isn't just for show on a Mau. When they're in full stride, that skin stretches out and lets their hind legs reach farther forward without pulling on the belly. Most cats don't have that extra give, so their stride is shorter. The Mau's flap gives them that extra inch of reach per step, which adds up fast. Plus, it absorbs the shock when they land, so they can push off again quicker. It's a built-in performance feature, not a flabby leftover.

The Mau’s belly flap-often called the primordial pouch-plays a role in their speed, but I’d say it’s more about flexibility than the flap itself. That loose skin allows their torso to stretch and compress fully as they run, so their front and back limbs can extend without restriction. Without it, a cat’s stride would be limited by the skin pulling taut. For the Mau, this means a longer, smoother gait that looks effortless and quick. It’s less about the flap giving extra reach and more about removing a physical constraint that would slow down a less-adapted breed.

The belly flap, or primordial pouch, helps more with agility than raw speed. When a Mau makes a sharp turn at full sprint, that loose skin prevents the abdominal muscles from tensing up and restricting the torso’s rotation. It acts like a shock absorber for sudden direction changes, so they can pivot without losing momentum. That’s why they look so fluid-it’s not just leg speed, it’s the ability to shift instantly without slowing down. Most cats lack that give, making their turns look stiffer.

I’d be cautious about linking the belly flap too directly to the impression of speed. That loose skin-the primordial pouch-is more about protection and flexibility during sudden twists and leaps than about raw velocity. When a Mau sprints, the flap allows their body to stretch and compress without restriction, but the “quick” look you’re seeing likely comes from their unique skeletal structure: longer hind legs and a flexible spine, which give that fluid, almost bouncing gait. The flap just helps them sustain those explosive movements without injury. Still, I’d suggest checking with a feline biomechanics specialist if you want a precise breakdown-there’s always nuance in how individual cats use their anatomy.

The belly flap-properly called the primordial pouch-isn't really about making them *look* quick. That impression comes mostly from their hip structure and rear leg extension. The pouch is there for practical reasons: it lets them twist mid-air when leaping after prey, and it acts as a buffer during sudden stops. If you want to know why a Mau seems to glide when running, look at their hind legs, not the dangling skin. The flap just stops them from tearing their belly open on a fence post, not from looking fast.