Step 02 — The lineup
6 shoes scored across eleven metrics · Any purpose
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Saucony Kinvara 16 — Saucony Kinvara 16: 29 mm heel stack, 4 mm drop, 207 g — specs from independent lab testing.
Sizing note
Golden Spike run snug — go up half a size, especially for long runs.
Durability
Expect roughly 283 miles before the midsole flattens out.
Step 03 — Every metric
| Metric | Altra Impulse | Topo Athletic Fli-Lyte 6 | Topo Athletic ST-6 | Altra Vanish Pulse | Altra Escalante 5(2025) | Topo Athletic Magnifly 6 | Altra Golden Spike |
|---|---|---|---|---|---|---|---|
| Weight | 215 g / 7.6 oz | 210 g / 7.4 oz | 190 g / 6.7 oz | 215 g / 7.6 oz | 275 g / 9.7 oz | 255 g / 9.0 oz | 155 g / 5.5 oz |
| Drop | 0 mm | 3 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
| Stack (heel) | 23 mm | 23 mm | 18 mm | 34 mm | 24 mm | 26 mm | 15 mm |
| Cushioning | |||||||
| Flexibility | |||||||
| Stability (5 = most guidance) | |||||||
| Rocker geometry | |||||||
| Energy return | |||||||
| Responsiveness | |||||||
| Toe-box | Wide | Very wide | Very wide | Wide | Very wide | Very wide | Wide |
| Plate | — | — | — | — | — | — | — |
| Intended pace | 6:15–8:30 /mi | 7:00–9:30 /mi | 7:00–9:30 /mi | 6:00–8:30 /mi | 7:30–10:30 /mi | 8:30–11:00 /mi | 4:30–6:30 /mi |
| Purpose | Tempo, Race day | Tempo, Daily | Tempo, Daily | Tempo, Race day | Daily, Tempo | Daily | Race day |
| Sizing | True to size | True to size | True to size | True to size | True to size | True to size | Size up ½ |
| Durability | ~300 mi | ~300 mi | ~300 mi | ~250 mi | ~350 mi | ~350 mi | ~150 mi |
| Price | $120 | $110 | $125 | $180 | $140 | $140 | $100 |
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.