~310 km
Expected lifespan, estimated from its category and specs.

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Ideal for A mid-pack marathoner working toward a sub-4 goal who wants a lightweight carbon-plated racer with enough cushioning and stability to hold up through the second half of a long race.
Race-Day shoes in NORMA's database last between 100 and 550 km across 130 models. At 310 km, the Asics Yogiri Speed sits in the lower half of that range.
The Asics Yogiri Speed is a carbon-plated marathon shoe aimed squarely at everyday runners chasing a sub-4 finish. It updates the S4+ Yogiri with a lighter build (around 227g, roughly 13g lighter than before) and a revised heel plate that splits into two prongs for a smoother, more stable landing. The dual-layer midsole pairs FF LEAP up top, Asics' lightest and most rebounding foam, with FF BLAST PLUS below for a mix of cushioning and propulsion that aims to protect the legs in the back half of a marathon. An engineered mesh upper varies its knit and perforations for breathability and fit, while ASICSGRIP rubber with an expanded heel contact area and added medial rubber adds grip and limits excessive roll. It is a fast, accessible plated racer rather than a top-tier elite shoe.
Full specs, fit notes, and reviews on the Asics Yogiri Speed wiki page.
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The Asics Yogiri Speed lasts about 310 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 186 km (60% of its lifespan). By 248 km the foam and outsole are usually noticeably degraded, and most runners retire the shoe between there and 310 km.
Race-Day shoes in NORMA's database range from 100 to 550 km across 130 models. At 310 km, the Asics Yogiri Speed sits in the lower half of that range.
Often, yes. A pair with under 60% wear (roughly 186 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.