Nike Alphafly 3 vs ASICS Metaspeed Sky/Edge Tokyo
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
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.
Heavier, cushier, and more expensive. Provides more protection for longer distances and heavier runners but feels less nippy and responsive. The ZoomX foam has fallen behind ASICS's newer FF Leap technology.
Alphafly would be more cushioned at the back and potentially better for courses with lots of downhill
Lighter, more responsive, faster transition, and cheaper than the Alphafly 3. The ASICS feels more like a part of the foot with quicker turnover. The Alphafly offers more cushioning and protection at the heel but the Metaspeed Sky Tokyo's foam technology has surpassed ZoomX.
Heel feel on the Sky Tokyo is reminiscent of the trampoline-like landing of the Alphafly.
Alphafly 3 is heavier with ZoomX foam and Zoom Air pods, offering a more mechanical-assist feel; similar plate geometry and forefoot-striker bias; retails at $295
Sky's bouncy heel-and-midfoot with firmer forefoot feel is reminiscent of the Alphafly, though they remain distinct shoes.
Better option for wider-footed runners due to more consistent footbed.
The Alphafly 3 is more comfortable and supportive for a carbon shoe but heavier. The Sky Tokyo is preferred for its lighter feel and more responsive plate engagement in the forefoot.
Nike Alphafly 3 — what reviewers say
Ride profile: high cushion , balanced feel , high energy return , neutral stability , moderate rocker.
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EDDBUD highlights the Alphafly 3 as an ideal marathon option — plenty of cushion and a wide base keep it stable despite the very soft heel.
In their words: "a very wide base as well" · "not really unstable at all" · "ideal marathon option"
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Ben's marathon PB shoe — a top super-shoe pick with PEBA foam and carbon plate, offering exceptional protective cushioning for long race distances.
In their words: "ran my personal best in the marathon"
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The Alphafly 3 is eliminated in the group stage, described as a former great that is aging gracefully but no longer at the top.
In their words: "a former great, aging gracefully, but still not quite getting through"
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WINNER of Megan's knockout race-day bracket — her ultimate race-day shoe.
Ride:Forefoot Air Zoom pods give it the edge over the Vaporfly 4. Megan's race-day pick regardless of distance (except Vaporfly 2 which she disliked). Comfortable upper. Heavier than the Metaspeed Ray but worth it. Feels great in the late miles of a marathon.
ASICS Metaspeed Sky/Edge Tokyo — what reviewers say
Ride profile: maximal cushion , neutral stability .
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The Run Testers rank the Metaspeed Sky Tokyo joint-second among racing shoes — very light and bouncy, excelling over long distances, with some team members running their fastest marathons in it.
In their words: "very lightweight and bouncy designs" · "notched our fastest marathons" · "great racing shoe"
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A very fast, lightweight racing shoe the reviewer uses for shorter race distances (5K/10K), while preferring the Edge for half marathon and marathon.
In their words: "extremely fast and very lightweight"
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An exceptionally light, fast racing shoe with top-tier foam that produced the reviewer's fastest recent 5K, at the cost of a narrower, less stable heel and so-so outsole grip.
In their words: "quite amazed, actually, the time I managed to get wearing this shoe" · "almost nothing there on foot"
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A forefoot-oriented carbon-plated racer with FF Leap foam and a big landing pad up front; Kofuzi's go-to race day shoe for fast workouts and racing, though he notes it's slightly less durable than the Metaspeed Ray.
In their words: "giant landing pad in the front" · "ideal for forefoot stompers like me" · "still a very good racing shoe"
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 Alphafly 3 if
- Racing at shorter, faster paces like 5K where the stiff, snappy forefoot shines, though still strong at any distance — Doctors of Running
- Marathon racing on good quality road surfaces where puncture risk to the Air Pods is low — EDDBUD
- All-distance racing from 5K up to marathon, especially for heel strikers and anyone wanting a cushier, more accommodating super shoe — The Run Testers
- Marathon racing with leg protection — The Run Testers
- Marathon racing and long runs with speed intervals, plus everyday use for hardened Nike fans — EDDBUD
- Marathon racing as a single-shoe training-and-racing option; runners who prefer wide, stable, air-unit ride — EDDBUD
Consider the ASICS Metaspeed Sky/Edge Tokyo if
- Half marathon to marathon racing for stride-oriented runners wanting late-race impact protection — EDDBUD
- Marathon racing on flatter courses when not chasing an outright time; reviewer already PB'd a half marathon in it and rates it slightly better than the Sky Paris — The Run Testers
- Races from 5K to marathon for runners who prefer a light, responsive, and poppy carbon plate shoe — The Run Testers
- Marathon racing and any distance where a softer, bouncier carbon-plated feel is preferred, especially on undulating courses. — The Run Testers
- Lighter runners who can maintain form over long races — EDDBUD
- 5K, 10K, and half marathon racing — particularly when going at top speed and striding out for a PB attempt — FORDY RUNS
Frequently asked questions
What's the difference between the Nike Alphafly 3 and the ASICS Metaspeed Sky/Edge Tokyo?
The Nike Alphafly 3 is a race shoe and the ASICS Metaspeed Sky/Edge Tokyo is a race shoe. By the numbers, the Nike Alphafly 3 weighs 198g, has a 40mm heel stack and an 8mm drop, while the ASICS Metaspeed Sky/Edge Tokyo weighs 159g, has a 40mm heel stack and a 5mm drop. MSRP is $285 for the Nike Alphafly 3 and $270 for the ASICS Metaspeed Sky/Edge Tokyo.
Should I buy the Nike Alphafly 3 or the ASICS Metaspeed Sky/Edge Tokyo?
Doctors of Running on the Nike Alphafly 3: Racing at shorter, faster paces like 5K where the stiff, snappy forefoot shines, though still strong at any distance. EDDBUD on the ASICS Metaspeed Sky/Edge Tokyo: Half marathon to marathon racing for stride-oriented runners wanting late-race impact protection.
Per Doctors of Running, EDDBUD.
Has anyone reviewed both the Nike Alphafly 3 and the ASICS Metaspeed Sky/Edge Tokyo?
Yes — The Run Testers, Doctors of Running, Kofuzi, and EDDBUD directly compared the Nike Alphafly 3 and the ASICS Metaspeed Sky/Edge Tokyo in their reviews.
Per The Run Testers, Doctors of Running, Kofuzi, EDDBUD.
Which is lighter, the Nike Alphafly 3 or the ASICS Metaspeed Sky/Edge Tokyo?
The ASICS Metaspeed Sky/Edge Tokyo is lighter, at 159g versus 198g (men's 9) — about 39g less.
Which is cheaper, the Nike Alphafly 3 or the ASICS Metaspeed Sky/Edge Tokyo?
The ASICS Metaspeed Sky/Edge Tokyo is cheaper at $270 versus $285 MSRP — about $15 less.