Side by side comparison: Altra Experience Flow ST vs Topo Ultrafly 6
Product Judgment
Solid
released 2026
Price Judgment
Overpriced
Widely Available
Performance
Run Fitness
Pros & Cons
Soft, plush cushioning
Lightweight for stability shoe
Wide, natural toe box
Outsole durability concerns
Tongue can slide
Fit tricky for narrow feet
Specs
| Best for | 5:15–6:45 min/km |
| Drop | 4 mm |
| Stack | 32 mm heel / 28 mm forefoot |
| Weight | 10.6 oz / 300.5 g |
| Terrain | road |
| Width | medium |
| Pronation | overpronation |
| Season | all seasons |
| Plate | no |
Judgment Summary
Lightweight, mild stability daily trainer with plush comfort and a wide fit; outsole durability limits.
Product Judgment
Solid
released 2026
Price Judgment
Unjustified
Widely Available
Performance
Run Fitness
Pros & Cons
Outstanding outsole durability
Stable, supportive ride
Roomy anatomical toebox
Dull, firm midsole
Limited upper durability
Specs
| Best for | 5:00–6:45 min/km |
| Drop | 6 mm |
| Stack | 33 mm heel / 26.4 mm forefoot |
| Weight | 272 g |
| Terrain | road |
| Width | medium |
| Pronation | overpronation |
| Season | all seasons |
| Plate | no |
Judgment Summary
Stable daily trainer with firm ride, roomy fit, and class-leading outsole durability.
Where to Buy