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~570 km
Expected lifespan, estimated from its category and specs.
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Ideal for Runners who want a single light, responsive shoe for tempo runs, intervals, and faster long efforts. A strong fit for triathletes and neutral runners chasing pace without committing to a plated race shoe.
Speedwork shoes in NORMA's database last between 250 and 800 km across 111 models. At 570 km, the On Cloudflow 5 sits in the upper half of that range.
The Cloudflow 5 is On's lightweight performance 'super trainer,' built to carry fast training from intervals and tempo work through to longer race-prep runs. The midsole pairs Helion HF hyperfoam with CloudTec for strong energy return, while an upgraded glass-fiber-infused nylon Speedboard adds snap and propulsion over the previous version. A pronounced toe-spring rocker keeps transitions smooth, and the woven mesh upper is light and breathable. Popular with triathletes, the Cloudflow line topped Lumina's race-shoe rankings three years running. It slots in as a fast, do-a-lot trainer rather than a dedicated carbon racer.
Full specs, fit notes, and reviews on the On Cloudflow 5 wiki page.
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The On Cloudflow 5 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.
Speedwork shoes in NORMA's database range from 250 to 800 km across 111 models. At 570 km, the On Cloudflow 5 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.
