The Altra Olympus 6 is a neutral trail running shoe and the Brooks Cascadia 20 is a trail running shoe. The Olympus 6 costs about $12 less (from $148), has more cushioning and has a lower heel-to-toe drop (0 mm vs 6 mm). The Cascadia 20 is 1.4 oz lighter (10.8 oz vs 12.2 oz) and is rated higher by buyers (4.3 vs 3.5 out of 5).
Specs side by side
| Spec | Olympus 6 | Cascadia 20 |
|---|---|---|
| Price | $148 | $160 |
| Rating | 3.5 / 5 (381 reviews) | 4.3 / 5 (134 reviews) |
| Weight | 12.2 oz | 10.8 oz |
| Heel-to-toe drop | 0 mm | 6 mm |
| Heel stack height | 33 mm | — |
| Cushioning | Max | Balanced |
| Support | Neutral | — |
| Surface | Trail | Trail |
| Available for | Men & Women | Men & Women |
Specs and prices from Altra and Brooks, checked 2026-10-11. Weight is usually for a men's size 9–10.
Which should you get?
Get the Olympus 6 if…
- you want to spend less
- you want a softer, more cushioned ride
- you land on your midfoot or want a lower drop
Get the Cascadia 20 if…
- you want the lighter shoe
- you prefer a firmer, more responsive feel
- you land on your heel and like a higher drop
More comparisons
- Altra Olympus 6 vs Altra Olympus 7
- Altra Olympus 6 vs Hoka Speedgoat 7
- Altra Olympus 6 vs Saucony Peregrine 16
- Altra Olympus 6 vs Nike ACG Pegasus Trail
- Brooks Cascadia 20 vs Hoka Speedgoat 7
- Brooks Cascadia 20 vs Saucony Peregrine 16
- Brooks Cascadia 20 vs Nike ACG Pegasus Trail
- Brooks Cascadia 20 vs ASICS TRABUCO 14
- Brooks Cascadia 20 vs Altra Lone Peak 9