Step 02 — The lineup
6 shoes scored across eleven metrics · Any purpose
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Asics Megablast — Max-stack super trainer with race foam — between the Novablast and Superblast.
Sizing note
Everything here fits true to size. Leave a thumbnail of space at the toe.
Durability
Expect roughly 417 miles before the midsole flattens out.
Step 03 — Every metric
| Metric | Adidas Adizero Prime X 2 Strung | Adidas Adizero Prime X3 STRUNG | Nike Vomero Premium | Nike Pegasus Premium(2025) | Saucony Endorphin Trainer | Nike Invincible 4(2025) | Asics Superblast 3(2026) |
|---|---|---|---|---|---|---|---|
| Weight | 305 g / 10.8 oz | 291 g / 10.3 oz | 298 g / 10.5 oz | 298 g / 10.5 oz | 285 g / 10.1 oz | 305 g / 10.8 oz | 255 g / 9.0 oz |
| Drop | 9 mm | 7 mm | 10 mm | 10 mm | 8 mm | 9 mm | 8 mm |
| Stack (heel) | 50 mm | 50 mm | 48 mm | 45 mm | 42 mm | 45 mm | 46 mm |
| Cushioning | |||||||
| Flexibility | |||||||
| Stability | |||||||
| Rocker geometry | |||||||
| Energy return | |||||||
| Responsiveness | |||||||
| Toe-box | Narrow | Standard | Standard | Standard | Standard | Standard | Standard |
| Plate | — | — | — | Nylon | — | — | — |
| Intended pace | 5:30–7:15 /mi | 6:30–8:30 /mi | 8:30–11:30 /mi | 7:00–9:30 /mi | 8:30–11:30 /mi | 8:30–11:30 /mi | 6:30–9:30 /mi |
| Purpose | Race day, Tempo | Tempo, Daily | Recovery, Long run | Daily, Long run, Tempo | Recovery, Long run, Daily | Recovery, Long run, Daily | Long run, Tempo, Daily |
| Sizing | Size up ½ | True to size | True to size | True to size | True to size | True to size | True to size |
| Durability | ~400 mi | ~400 mi | ~450 mi | ~400 mi | ~400 mi | ~400 mi | ~450 mi |
| Price | $300 | $300 | $210 | $210 | $220 | $190 | $220 |
Your reference shoe is shown first for context. Cushioning, flexibility and stability are rated 1–5.