Nike Vaporfly v4 vs Nike Alphafly v3
A side-by-side comparison grounded in verdicts from 6 reviewers with every source linked. We don't invent quotes; every claim below is attributed.
Specs at a glance
| Nike Vaporfly v4 | Nike Alphafly v3 | |
|---|---|---|
| Stack (heel / forefoot) | 36.0 / 30.0 mm | 40.0 / 32.0 mm |
| Drop | 6.0 mm | 8.0 mm |
| Weight (men's 9) | 5.9 oz (167g) | 7.0 oz (198g) |
| Midsole | ZoomX (PEBA) | ZoomX (PEBA) + forefoot Air Zoom units |
| Plate | Full-length carbon fiber Flyplate (curved) | Full-length carbon fiber Flyplate |
| Upper | Racing engineered mesh | Atomknit 3.0 |
| MSRP | $240.00 | $285.00 |
The consensus read
Each paragraph is a synthesis across every reviewer in our database for that shoe — what they collectively concluded after wear-testing. Not a quote. Not one person's take. The shape of the room.
Nike Vaporfly v4
A radically lighter, snappier return to the original Vaporfly's aggressive racing DNA, best suited for 5K through half marathon but no longer a reliable marathon pick; reviewers praise the direct ride and ground feel but flag a narrow platform and reduced cushion for longer distances.
Nike Alphafly v3
A marathon-focused super shoe that delivers a soft, cushioned ride with smooth heel-to-toe transitions and stable energy return, though some testers flag unpredictable behavior and arch discomfort at the premium price point.
Reviewers who wore both
Direct paired observations — reviewers who actually ran in both of these and wrote the contrast. This is the strongest comparative signal on the page.
Alphafly is the better pick for half marathon and marathon distances thanks to more cushioning; V4 is now polarized as the 5K/10K option
Vaporfly 4 is lighter and leaner but less propulsive with less cushion, now better suited to shorter distances
Clearer distinction now — Alphafly is the longer-distance bouncy option while Vaporfly 4 is for shorter races
Less cushioned, smaller base, less bouncy; reviewer prefers the Alphafly's bigger bouncy feel for marathons
Better all-round race shoe and far better choice for heavier runners and the marathon; superior traction
Alphafly 3 is the marathon/long-distance race shoe in the lineup; Vaporfly 4 sits below it as the shorter-distance speed option
Alphafly is the marathon shoe and a cruising machine; Vaporfly 4 is now clearly separated and aimed at half marathon and below
Reviewer notes Nike elites are increasingly racing in the Alphafly; the Vaporfly 4 carves out a leaner, shorter-distance niche
Megan still picks the Alphafly for the full marathon and the Vaporfly 4 for the half; Thomas might pick V4 over Alphafly even for the marathon because it's two ounces lighter
Alphafly 3 can do everything from short to long distances; reviewer wants more bounce and would have been fine using Alphafly 3 instead
Vaporfly 4 is starkly different — much less shoe underfoot; reviewer prefers the Vaporfly because the Alphafly is 'a lot of shoe' and feels like the shoe is in charge of the runner
Vaporfly 4 is lighter and nimbler but Alphafly 3 better for the marathon, especially for heavier runners
Alphafly is significantly more expensive and heavier (269g) but a happier marathon cruiser with more foam and Air Pods; Vaporfly 4 is lighter, more nimble and faster over shorter distances
Vaporfly still feels more direct and is preferred for 5K and 10K; Alphafly 3 is more cushioned and protective for longer distances.
About 1oz heavier (270g vs 235g in UK 11); wider everywhere, more cushioned, better lockdown with simpler lacing, and more durable outsole — preferred for upper, midsole and outsole.
Alphafly 3 is heavier but more cushioned, more propulsive, more bouncy, and more versatile across distances
Vaporfly has thinner spoon-shaped plate closer to the ground, better for forefoot strikers at 5K/10K; Alphafly 3 plate is higher up thanks to AirPods, better for stride runners
Nike Vaporfly v4 — what reviewers say
Ride profile: high cushion , neutral stability .
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#4 carbon racer. Brings Vaporfly closer to Alphafly aesthetic — execution issues but still fun at fast paces. Extremely lightweight.
In their words: "still very fun for running very fast" · "extremely lightweight shoe" · "execution issues going on with this shoe"
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Didn't make top 5. Lower stack, not as cushioned, narrow. More a 10K/half shoe than a marathon racer. More a competitor to the Takumi Sen 11 than to top-tier carbons.
In their words: "not in the same league" · "still very narrow" · "Quite a costly shoe"
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A solid but limited race shoe that feels light and quick at shorter distances but lacks the midsole and bounce for longer races, especially the marathon.
Ride:Lighter and closer to the ground than Vaporfly 3 with snappy, responsive ride and reliable landings; lacks midsole bounce and feels limited at longer distances; works well for shorter, faster efforts.
Fit:Roomier than expected for such a lean, small-looking shoe with plenty of space for the big toe; race-hugging without feeling cramped, with some heel slipping fixable with attentive lacing; stay true to size.
In their words: "designed for shorter distances" · "doesn't have enough midsole for me" · "a half marathon sweet spot"
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Not a flop — still a top-tier super shoe, but Nike has narrowed its purpose to 5K and 10K racing, making it less versatile than prior Vaporflies and a poor pick for half marathon or marathon distances.
Ride:Lightest Vaporfly yet, makes 5K pace feel smooth and efficient; ZoomX shows quick compression where the foot lands
Fit:Best-fitting Vaporfly to date with a slightly more narrow forefoot, traditional tongue and a secure spike-like lockdown; no heel slipping for Ben
Nike Alphafly v3 — what reviewers say
Ride profile: high cushion , balanced feel , high energy return , neutral stability , moderate rocker.
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Both reviewers consider it an excellent carbon plate racer that remains one of the best marathon options for its cushioning and protection, but agree it has been surpassed by the lighter, more responsive Metaspeed Sky Tokyo. Still a strong choice for runners who prioritize cushy protection over lightweight agility.
Ride:Cushier and more protective feeling than the Metaspeed Sky Tokyo, especially at the heel. Provides a stable and safe landing with a wider base. Air Zoom pods under the forefoot deliver punch off the toes. Feels like it protects legs well over marathon distance. Great for locking into a pace and holding it, with a slightly cruisier ride character.
Fit:True to size but a more restrictive fit than the Metaspeed Sky Tokyo. Booty-style upper can be hard to get on. Midfoot runs lean and snug; runners with wider feet should take note. One reviewer had zero complaints; the other noted the tighter midfoot.
In their words: "cushier feeling at the back of the shoe" · "feels like it's built like a tank"
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A slightly better trainer and long-distance marathon option than the Fast-R 3 thanks to its wider platform and heel stability, though it loses to the Puma on outright speed at 5K/10K.
Ride:Wider landing platform than Fast-R 3 with substantial heel width and more aggressive air units; better trainer and long-distance option among the two
In their words: "very, very durable" · "the most durable yet" · "slightly better trainer and long distance option"
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A stiff, bouncy trampoline-like super shoe with a snappy, explosive forefoot, well-suited to runners who want a structured and more aggressive racing feel.
Ride:Very stiff, trampoline-like platform with snappy, bouncy ZoomX and airpod suspension in the forefoot; lands at the heel and explodes off the forefoot with a structured feel and good sole flaring for stability.
Fit:Translucent mesh with a performance fit; more volume in forefoot and midfoot than the Cloudboom Strike, with a shallow heel counter and good lace lockdown that can bite when cinched.
In their words: "almost feels like a trampoline" · "explode off the forefoot" · "more volume in the forefoot"
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RunRepeat's lab says Nike hit a home run — lighter than the OG Alphafly yet more stable and accommodating than v2, making the Alphafly 3 a superb super shoe for a wide range of runners despite its weak toebox durability and premium $285 price.
Ride:Lab measured 18HA lower ZoomX layer (softer than v2) and 29HA firmer upper layer; 71.7 N stiffness flex; midsole freezer test showed only 17% firmer in cold; AirPods slightly protrude for earlier ground contact; carbon plate has more pronounced midfoot incline than v2
Fit:Atomknit 3.0 upper is exceptionally breathable (5/5) and lighter than prior versions; lower arch and slightly wider midfoot should alleviate arch blisters from Alphafly 1/2; sock-like tongue eliminates shifting; heel counter is intentionally soft (1/5) with generous padding
In their words: "purely built for speed" · "much more aggressive and bouncy" · "more spacious than previous versions"
Who should buy which
Use cases the reviewers above actually call out — one bullet per distinct take, attributed. Where reviewers converge (e.g. "5K to half marathon" appearing across multiple takes) the agreement is a stronger buying signal than any single voice.
Consider the Nike Vaporfly v4 if
- Shorter road racing (5K-10K) for runners whose feet fit the snugger upper — Doctors of Running
- Half marathon and below race day for efficient forefoot strikers willing to go all-out. — FORDY RUNS
- Short-distance races and turn-heavy courses — Believe in the Run
- 5K and 10K racing for runners wanting a light, direct, snappy carbon racer — Ben Is Running
- Short-distance racing up to 10K, or up to half marathon for more seasoned runners wanting minimal cushion — The Run Testers
- 10K to half marathon racing, track miles, shorter fast efforts — The Run Testers
Consider the Nike Alphafly v3 if
- Half marathon and marathon racing and marathon-pace workouts. — Ben Is Running
- Half marathon and marathon distance for runners who want maximum cushion and heel stability. — EDDBUD
- Racing at shorter, faster paces like 5K where the stiff, snappy forefoot shines, though still strong at any distance — Doctors of Running
- An all-distance carbon racer suited for any race from 5K to marathon — The Run Testers
- All-distance racing from 5K up to marathon, especially for heel strikers and anyone wanting a cushier, more accommodating super shoe — The Run Testers
- Runners who want an aggressive bouncy forefoot toe-off and are racing 10K down to marathon, with enough control to harness the bounce. — Doctors of Running