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
Plated models here average ~400 mi; non-plated land closer to ~420 mi.
Step 03 — Every metric
| Metric | Adidas Adizero Prime X 2 Strung | Adidas Adizero Prime X3 STRUNG | Nike Pegasus Premium(2025) | Saucony Endorphin Trainer | Nike Invincible 4(2025) | Nike Vomero Premium | Under Armour Infinite Mega |
|---|---|---|---|---|---|---|---|
| Weight | 306 g / 10.8 oz | 285 g / 10.1 oz | 309 g / 10.9 oz | 286 g / 10.1 oz | 305 g / 10.8 oz | 351 g / 12.4 oz | 298 g / 10.5 oz |
| Drop | 9 mm | 7 mm | 10 mm | 8 mm | 9 mm | 10 mm | 8 mm |
| Stack (heel) | 50 mm | 50 mm | 45 mm | 42 mm | 45 mm | 55 mm | 43 mm |
| Cushioning | |||||||
| Flexibility | |||||||
| Stability (5 = most guidance) | |||||||
| Rocker geometry | |||||||
| Energy return | |||||||
| Responsiveness | |||||||
| Toe-box | Narrow | Standard | Standard | Standard | Standard | Standard | Standard |
| Plate | — | — | Nylon | Carbon | — | — | — |
| Intended pace | 5:30–7:15 /mi | 6:30–8:30 /mi | 7:00–9:30 /mi | 8:30–11:30 /mi | 8:30–11:30 /mi | 8:30–11:30 /mi | 8:30–11:30 /mi |
| Purpose | Race day, Tempo | Tempo, Daily | Daily, Long run, Tempo | Recovery, Long run, Daily | Recovery, Long run, Daily | Recovery, Long run | Long run, Recovery |
| 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 | ~400 mi | ~400 mi | ~400 mi | ~450 mi | ~450 mi |
| Price | $300 | $300 | $210 | $220 | $190 | $210 | $250 |
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.