Cielo X1 3 vs Alphafly 3

The Hoka Cielo X1 3 is a max-stack carbon racing shoe built for runners who want a big, protective ride without giving up pop at pace. It sits right at the top of the stack rules with a 44mm heel, a carbon plate and a PEBA-based super foam, so it is squarely a marathon and half-marathon shoe rather than a short, snappy 5k racer. The story of this third version is refinement. Earlier Cielo X1 models were brilliant fun but heavy and a handful at slow speeds. This one is billed as the lightest and most stable yet, and that matters because it makes the big platform far easier to actually race in. If you have looked at the Nike Alphafly 3 and wanted something with a broader, more planted feel underfoot, this is the Hoka answer. It is premium at 250 pounds, but for long-distance race day it delivers a genuinely propulsive, cushioned ride.

The Nike Alphafly 3 is the brand's maximalist marathon racer, the carbon racing shoe built to carry you to a road PB and not much else. It pairs a full-length carbon plate with twin forefoot Air pods and a tall slab of ZoomX foam, so you get a ride that is bouncy, propulsive and unapologetically built for going long and fast. At 218g it is not the lightest super shoe on the shelf, but the energy return more than earns the few extra grams once you settle into marathon or half pace. This is a specialist. It rewards a committed forefoot or midfoot strike and a pace you can actually hold, and it feels flat and over-built if you jog it easy. If you want a slightly lighter, more nimble option for shorter races, the Nike Vaporfly 4 is the natural stablemate. For the marathon, though, the Alphafly is the one we reach for.