Side by side comparison: Adidas Adizero Boston 13 vs Saucony Endorphin Speed 5
Product Judgment
Strong
released 2024
Price Judgment
Reasonable
Widely Available
Performance
Run Fitness
Pros & Cons
Excellent energy return
Stable at fast paces
Durable outsole
Snug toebox
Stiff ride
Not ideal for heel strikers
Specs
| Best for | 3:45–5:15 min/km |
| Drop | 6 mm |
| Stack | 36 mm heel / 30 mm forefoot |
| Weight | 254 g |
| Terrain | road |
| Width | medium |
| Pronation | neutral |
| Season | all seasons |
| Plate | Composite |
Judgment Summary
A dynamic, stable speed trainer excelling at tempo runs but less suited for wide feet or slow paces.
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.
Where to Buy