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~570 km
Expected lifespan, estimated from its category and specs.
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Ideal for Neutral runners who want one energetic, bouncy trainer for daily miles and faster tempo efforts, and who like a propulsive, springy ride without a carbon race plate.
Daily Trainer shoes in NORMA's database last between 320 and 800 km across 694 models. At 570 km, the Asics Sonicblast 2 sits in the upper half of that range.
The Asics Sonicblast 2 is the latest version of Asics' energetic super trainer, sitting in the BLAST family alongside the Superblast and Novablast. It pairs a dual-foam midsole of FF Turbo Squared and FF Blast Max with a redesigned forked Astroplate that channels foam into a trampoline pod for extra propulsion. The result, per Asics, is a lighter, bouncier and more responsive ride than the original, with about 14g shaved off in a men's US9. A new engineered mesh upper is aimed at better breathability and comfort. This is a do-a-bit-of-everything trainer built around bounce and mechanical propulsion rather than a pure racer. Note: the only available source is Asics' own launch material, so independent performance and durability testing is not yet reflected here.
Full specs, fit notes, and reviews on the Asics Sonicblast 2 wiki page.
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The Asics Sonicblast 2 lasts about 570 km, estimated from its category and specs. Your own mileage shifts with body weight, running surface, and how you use the shoe.
Start checking for wear around 342 km (60% of its lifespan). By 456 km the foam and outsole are usually noticeably degraded, and most runners retire the shoe between there and 570 km.
Daily Trainer shoes in NORMA's database range from 320 to 800 km across 694 models. At 570 km, the Asics Sonicblast 2 sits in the upper half of that range.
Often, yes. A pair with under 60% wear (roughly 342 km) still has real training life left. NORMA lists second-rotation running shoes with transparent, verified mileage so you know exactly how much life you're buying.
