Step 02 — The lineup
6 shoes scored across eleven metrics · Any purpose
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Adidas Terrex Speed Ultra — Featherweight trail racer built for ultras and fast mountain days.
Sizing note
Everything here fits true to size. Leave a thumbnail of space at the toe.
Durability
Plated models here average ~300 mi; non-plated land closer to ~420 mi.
Step 03 — Every metric
| Metric | Adidas Terrex Agravic Speed Ultra | Adidas Terrex Agravic Speed Ultra 2 | Brooks Catamount 4 | Nike Ultrafly Trail | Salomon S/Lab Ultra 4 | Puma Fast-Trac Nitro 4 | Asics Trabuco 14 |
|---|---|---|---|---|---|---|---|
| Weight | 270 g / 9.5 oz | 265 g / 9.3 oz | 270 g / 9.5 oz | 275 g / 9.7 oz | 265 g / 9.3 oz | 272 g / 9.6 oz | 281 g / 9.9 oz |
| Drop | 8 mm | 8 mm | 6 mm | 8 mm | 8 mm | 8 mm | 8 mm |
| Stack (heel) | 38 mm | 43 mm | 34 mm | 39 mm | 36 mm | 34 mm | 36 mm |
| Cushioning | |||||||
| Flexibility | |||||||
| Stability (5 = most guidance) | |||||||
| Rocker geometry | |||||||
| Energy return | |||||||
| Responsiveness | |||||||
| Toe-box | Standard | Narrow | Standard | Standard | Standard | Standard | Wide |
| Plate | Rock | Rock | Rock | Carbon | Rock | — | Rock |
| Intended pace | 8:00–11:30 /mi | 8:30–12:00 /mi | 7:30–10:00 /mi | 7:30–10:30 /mi | 8:00–11:30 /mi | 8:00–11:00 /mi | 8:30–12:00 /mi |
| Purpose | Trail, Tempo, Long run | Trail, Long run | Trail, Tempo, Race day | Trail, Race day | Trail, Long run, Tempo | Trail, Tempo | Trail |
| Sizing | True to size | True to size | True to size | True to size | True to size | True to size | True to size |
| Durability | ~350 mi | ~450 mi | ~350 mi | ~300 mi | ~450 mi | ~400 mi | ~450 mi |
| Price | $180 | $230 | $180 | $260 | $200 | $140 | $160 |
Your reference shoe is shown first for context. Cushioning, flexibility and stability are rated 1–5, where 5 stability means the most guidance and 1 means fully neutral.