The Adidas Adizero Boston 13 and Saucony Endorphin Speed 5 are both neutral road running shoes. The Adizero Boston 13 has a lower heel-to-toe drop (6 mm vs 8 mm) and is rated higher by buyers (4.6 vs 4.3 out of 5). The Endorphin Speed 5 is 0.9 oz lighter (8.3 oz vs 9.2 oz) and has more cushioning.
Specs side by side
| Spec | Adizero Boston 13 | Endorphin Speed 5 |
|---|---|---|
| Price | $128–$160 | $129.95 |
| Rating | 4.6 / 5 (1,097 reviews) | 4.3 / 5 (904 reviews) |
| Weight | 9.2 oz | 8.3 oz |
| Heel-to-toe drop | 6 mm | 8 mm |
| Heel stack height | 36 mm | 36 mm |
| Cushioning | Firm / responsive | Balanced |
| Support | Neutral | Neutral |
| Surface | Road, Track | Road |
| Available for | Men & Women | Men & Women |
Specs and prices from Adidas and Saucony, checked 2026-10-11. Weight is usually for a men's size 9–10.
Which should you get?
Get the Adizero Boston 13 if…
- you prefer a firmer, more responsive feel
- you land on your midfoot or want a lower drop
Get the Endorphin Speed 5 if…
- you want the lighter shoe
- you want a softer, more cushioned ride
- you land on your heel and like a higher drop
More comparisons
- Adidas Adizero Boston 13 vs Adidas Adizero Boston 12
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- Saucony Endorphin Speed 5 vs Hoka Mach 7
- Saucony Endorphin Speed 5 vs Nike Zoom Fly 6
- Saucony Endorphin Speed 5 vs Adidas adizero EVO SL
- Saucony Endorphin Speed 5 vs ASICS MAGIC SPEED 5