Brooks Caldera 8 vs Brooks Cascadia 18
Brooks Caldera 8 vs Brooks Cascadia 18: weight, drop (6 mm vs 8 mm), cushioning, lugs and which races each one suits best.
Quick verdict
The Brooks Caldera 8 is 5 g lighter. The Brooks Caldera 8 has more cushioning (36.7 mm at the heel).
BrooksBrooks Caldera 8Zapatilla de trail de máxima amortiguación de Brooks para distancias largas.
Check price(se abre en una pestaña nueva)Brooks Caldera 8: specs and races
BrooksBrooks Cascadia 18An all-terrain trail classic: stable, protective and reliable on any ground thanks to its pivot system that adapts the foot to the terrain. Balanced cushioning for medium and long distances.
Check price(se abre en una pestaña nueva)Brooks Cascadia 18: specs and racesSpec-by-spec comparison
| Spec | Brooks Caldera 8 | Brooks Cascadia 18 |
|---|---|---|
| Weight (per shoe) | 309 g | 314 g |
| Drop | 6 mm | 8 mm |
| Heel stack | 36.7 mm | 33 mm |
| Forefoot stack | 27.9 mm | 25 mm |
| Lug depth | 3.6 mm | 4 mm |
| Fit | – | Medium |
| Stable platform | – | – |
| Waterproof | – | – |
| Carbon plate | – | – |
| Terrain | smooth, mixed | mixed |
Brand-stated specs or values measured by independent sources. Green marks the better value when one is clearly better.
Which races does each one suit? Checked against 249 races
For each race we look at the terrain, the distance and the average rainfall around race day in recent years, and see which shoe fits best.
Brooks Caldera 8: better pick in 48 of 249
Brooks Cascadia 18: better pick in 109 of 249
Tied in 92
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| Race | What it needs | Brooks Caldera 8 | Brooks Cascadia 18 |
|---|---|---|---|
| Grand Raid de La Réunion180 km | Ultra: cushioning | Built for it | Copes |
| L'Infernal Trail des Vosges205 km | Likely mud | Not its terrain | Copes |
| Mañaritik Atxetara43 km | Rock and technical ground | Not its terrain | Copes |
| Nice Côte d'Azur by UTMB168 km | Ultra: cushioning | Built for it | Copes |
| Topo Athletic Bibracte Ultra-Trail185 km | Likely mud | Not its terrain | Copes |
| Trail Menorca Camí de Cavalls185 km | Likely mud | Not its terrain | Copes |
| Ultra Tour des 4 Massifs176 km | Ultra: cushioning | Built for it | Copes |
| UTMB Mont-Blanc174 km | Ultra: cushioning | Built for it | Copes |
Criteria: mud when it often rains around race day on soft ground; rock for skyrunning and vertical kilometres; ultra from 50 km; mixed otherwise.
Analysis: where they really differ
Within Brooks, the Cascadia 18 is the classic do-it-all trail shoe (8 mm drop, 4 mm lugs, firmer platform) while the Caldera 8 is the max-cushion option for long distances (36.7 mm heel stack, 6 mm drop). They weigh almost the same, so the choice comes down to feel and terrain.
Choose the Brooks Caldera 8 if…
- You run ultras or long runs on smooth trails and fire roads.
- You want more foam under the heel to soften impact.
- You prefer a lower drop (6 mm).
Choose the Brooks Cascadia 18 if…
- You run varied terrain with rocks and roots.
- You want a firmer, more controlled ride.
- An 8 mm drop suits you, common if you come from road running.