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

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Ideal for A runner chasing personal bests from 10K to the marathon who wants a plated, rocker-driven racer with lively cushioning and a locked-down fit, without stepping up to a top-tier flagship price.
Race-Day shoes in NORMA's database last between 100 and 550 km across 130 models. At 310 km, the On Cloudboom Volt sits in the lower half of that range.
The Cloudboom Volt is On's race-day addition to the Cloudboom line, built to cover everything from 10K to the marathon. It pairs a carbon Speedboard for propulsion with a two-layer Helion HF hyperfoam midsole over On's CloudTec pods, aiming for high rebound with a smooth transition. An aggressively curved rocker drives a quick, snappy toe-off, and a light, breathable roller-mesh upper locks down the midfoot for a secure fit from start to finish. It is positioned as a more accessible racer meant to bring fast times within reach of a wider set of runners. Reviews here are largely brand and launch coverage rather than deep on-foot testing, so performance impressions are drawn mainly from stated design intent.
Full specs, fit notes, and reviews on the On Cloudboom Volt wiki page.
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The On Cloudboom Volt 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 On Cloudboom Volt 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.