Step 02 — The lineup
6 shoes scored across eleven metrics · Any purpose
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Nike Zoom Fly 6 — Carbon-plated super trainer: race geometry with trainer-grade durability.
Sizing note
Fresh Foam Roav V2 run snug — go up half a size, especially for long runs.
Durability
Expect roughly 367 miles before the midsole flattens out.
Step 03 — Every metric
| Metric | Nike Zoom Elite 9 | Nike Rival Fly 4 | Adidas Adizero RC 5 | Nike Interact Run | Adidas Duramo Speed | On Cloudaway 2 | New Balance Fresh Foam Roav V2 |
|---|---|---|---|---|---|---|---|
| Weight | 230 g / 8.1 oz | 235 g / 8.3 oz | 210 g / 7.4 oz | 241 g / 8.5 oz | 240 g / 8.5 oz | 230 g / 8.1 oz | 238 g / 8.4 oz |
| Drop | 10 mm | 8 mm | 8 mm | 10 mm | 9 mm | 8 mm | 8 mm |
| Stack (heel) | 27 mm | 30 mm | 28 mm | 30 mm | 30 mm | 28 mm | 32 mm |
| Cushioning | |||||||
| Flexibility | |||||||
| Stability | |||||||
| Rocker geometry | |||||||
| Energy return | |||||||
| Responsiveness | |||||||
| Toe-box | Narrow | Standard | Standard | Standard | Standard | Standard | Standard |
| Plate | — | — | — | — | — | — | — |
| Intended pace | 6:00–7:45 /mi | 6:45–9:15 /mi | 6:15–8:30 /mi | 7:30–10:00 /mi | 7:15–9:45 /mi | 9:00–12:00 /mi | 7:30–10:00 /mi |
| Purpose | Tempo, Race day | Tempo, Daily | Tempo, Race day | Daily, Long run | Daily, Tempo | Daily, Trail | Daily, Long run |
| Sizing | Size up ½ | True to size | True to size | True to size | True to size | True to size | Size up ½ |
| Durability | ~300 mi | ~400 mi | ~300 mi | ~400 mi | ~400 mi | ~300 mi | ~400 mi |
| Price | $120 | $100 | $90 | $90 | $100 | $140 | $100 |
Your reference shoe is shown first for context. Cushioning, flexibility and stability are rated 1–5.