Step 02 — The lineup
6 shoes scored across eleven metrics · Any purpose
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Adidas Ultrarun 5 — Adidas Ultrarun 5: 35 mm heel stack, 10 mm drop, 295 g — specs from independent lab testing.
Sizing note
Everything here fits true to size. Leave a thumbnail of space at the toe.
Durability
Expect roughly 392 miles before the midsole flattens out.
Step 03 — Every metric
| Metric | Adidas Fluidcloud | Adidas Runfalcon 5 | Adidas Coreracer 2 | Skechers GO Run Consistent 2.0 | Nike Downshifter 13 | On Cloud 6(2025) | Nike Revolution 8 |
|---|---|---|---|---|---|---|---|
| Weight | 275 g / 9.7 oz | 303 g / 10.7 oz | 280 g / 9.9 oz | 280 g / 9.9 oz | 267 g / 9.4 oz | 267 g / 9.4 oz | 270 g / 9.5 oz |
| Drop | 10 mm | 10 mm | 10 mm | 8 mm | 10 mm | 9 mm | 10 mm |
| Stack (heel) | 26 mm | 33 mm | 28 mm | 28 mm | 32 mm | 28 mm | 33 mm |
| Cushioning | |||||||
| Flexibility | |||||||
| Stability (5 = most guidance) | |||||||
| Rocker geometry | |||||||
| Energy return | |||||||
| Responsiveness | |||||||
| Toe-box | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Plate | — | — | — | — | — | — | — |
| Intended pace | 9:00–12:00 /mi | 9:00–12:00 /mi | 9:00–12:00 /mi | 9:00–11:30 /mi | 9:00–12:00 /mi | 8:30–11:30 /mi | 9:00–12:00 /mi |
| Purpose | Daily | Daily | Daily | Daily | Daily | Daily | Daily |
| 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 | ~400 mi | ~400 mi | ~350 mi | ~400 mi | ~400 mi | ~400 mi |
| Price | $65 | $70 | $65 | $75 | $75 | $150 | $70 |
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.