Running shoe comparison based on expert reviews, performance and real-world value.

Side by side comparison: ASICS Metaspeed Sky Tokyo vs Nike Alphafly 4

ASICS Metaspeed Sky Tokyo
ASICSMetaspeed Sky Tokyo

Race

Product Judgment

8.7

Strong

released 2025

Price Judgment

~$270$304$279$228$203

Reasonable

Widely Available

Performance

Comfort: 7Energy Return: 10Stability: 6Durability: 6Fun to Ride: 9

Run Fitness

Daily: 4Long: 8Tempo: 9Race: 10Recovery: 3

Pros & Cons

Exceptional energy return
Ultra-lightweight build
Highly breathable upper
Heel instability for some
Narrow fit limits comfort
Limited durability

Specs

Best for2:30–4:45 min/km
Drop5 mm
Stack40 mm heel / 35 mm forefoot
Weight159 g
Terrainroad
Widthmedium
Pronationneutral
Seasonsummer
PlateCarbon

Judgment Summary

Elite-level racing super shoe with explosive energy return and a lively, race-focused ride.

Where to Buy

Buy on Amazon
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Nike Alphafly 4
NikeAlphafly 4

Race

Product Judgment

9.1

Elite

released 2026

Price Judgment

~$280$369$338$277$246

Reasonable

Not Yet Released

Performance

Comfort: 9Energy Return: 10Stability: 6Durability: 6Fun to Ride: 9

Run Fitness

Daily: 3Long: 8Tempo: 9Race: 10Recovery: 4

Pros & Cons

Elite energy return
Softer, smoother ride
Improved forefoot stability
Heel instability for some
Loud, squeaky ride
Fit runs short

Specs

Best for2:30–4:45 min/km
Drop8 mm
Stack39 mm heel / 31 mm forefoot
Weight188 g
Terrainroad
Widthmedium
Pronationneutral
Seasonall seasons
PlateCarbon

Judgment Summary

Propulsive marathon racer with softer cushioning; heel stability remains a limitation.

See detail