Side by side comparison: Adidas Adizero Adios 9 vs Saucony Endorphin Speed 5
Product Judgment
Strong
released 2025
Price Judgment
Strong Buy
Phasing Out
Performance
Run Fitness
Pros & Cons
Extremely lightweight
Excellent ground feel
Responsive ride
Limited cushioning
Low stability
Narrow fit
Specs
| Best for | 3:30–4:45 min/km |
| Drop | 7 mm |
| Stack | 28 mm heel / 21 mm forefoot |
| Weight | 176 g |
| Terrain | road |
| Width | narrow |
| Pronation | neutral |
| Season | all seasons |
| Plate | no |
Judgment Summary
Ultra-light speed trainer for fast efforts and short races; strong, fun, but not for long runs.
Product Judgment
Strong
released 2025
Price Judgment
Buy
Widely Available
Performance
Run Fitness
Pros & Cons
Snappy, efficient ride
Improved upper breathability
Enhanced outsole durability
Firmer than some prefer
Slightly heavier than v4
Specs
| Best for | 3:45-5:15 min/km |
| Drop | 8 mm |
| Stack | 36 mm heel / 28 mm forefoot |
| Weight | 237 g |
| Terrain | road |
| Width | medium |
| Pronation | neutral |
| Season | all seasons |
| Plate | Composite |
Judgment Summary
Versatile, fast trainer with a snappy ride and improved comfort; excels at tempo and speedwork.
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