The Adidas Ultraboost 5X is a road running shoe and the Nike Pegasus Plus 2 is a neutral road running shoe. The Ultraboost 5X costs about $80 less (from $90). The Pegasus Plus 2 is 0.4 oz lighter (9.3 oz vs 9.7 oz).
Specs side by side
| Spec | Ultraboost 5X | Pegasus Plus 2 |
|---|---|---|
| Price | $90–$99 | $170 |
| Rating | 4.6 / 5 (2,104 reviews) | 4.6 / 5 (7 reviews) |
| Weight | 9.7 oz | 9.3 oz |
| Heel-to-toe drop | 10 mm | 10 mm |
| Heel stack height | 39 mm | — |
| Cushioning | — | Firm / responsive |
| Support | — | Neutral |
| Surface | Road | Road |
| Available for | Men & Women | Men & Women |
Specs and prices from Adidas and Nike, checked 2026-10-11. Weight is usually for a men's size 9–10.
Which should you get?
Get the Ultraboost 5X if…
- you want to spend less
Get the Pegasus Plus 2 if…
- you want the lighter shoe