Side by side comparison: ASICS Metaspeed Sky Tokyo vs Nike Alphafly 3
Product Judgment
Strong
released 2025
Price Judgment
Reasonable
Widely Available
Performance
Run Fitness
Pros & Cons
Exceptional energy return
Ultra-lightweight build
Highly breathable upper
Heel instability for some
Narrow fit limits comfort
Limited durability
Specs
| Best for | 2:30–4:45 min/km |
| Drop | 5 mm |
| Stack | 40 mm heel / 35 mm forefoot |
| Weight | 159 g |
| Terrain | road |
| Width | medium |
| Pronation | neutral |
| Season | summer |
| Plate | Carbon |
Judgment Summary
Elite-level racing super shoe with explosive energy return and a lively, race-focused ride.
Where to Buy
Product Judgment
Elite
released 2024
Price Judgment
Strong Buy
Widely Available
Performance
Run Fitness
Pros & Cons
Elite energy return
Lightweight for stack
Smooth, aggressive ride
Outsole durability concerns
Fit may feel snug
Limited wet traction
Specs
| Best for | 2:30–4:45 min/km |
| Drop | 8 mm |
| Stack | 38 mm heel / 29 mm forefoot |
| Weight | 198 g |
| Terrain | road |
| Width | medium |
| Pronation | neutral |
| Season | all seasons |
| Plate | Carbon |
Judgment Summary
Elite marathon racer with top-tier energy return and aggressive ride, best for fast race efforts.
Where to Buy