~620 km
Expected lifespan, based on hand-researched wear data for this model.

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Multiple sources cite premium materials and improved build quality, with the outsole and upper holding up well over time. There are no widespread reports of premature wear, and the shoe is described as durability-rich and suitable for regular use.
The On Cloudsurfer 2 is widely regarded by experts and users as an excellent daily trainer, offering a balanced, moderately cushioned ride with a smooth rocker and comfortable upper. Its moderate stack height and firmer CloudTec Phase cushioning make it ideal for everyday runs and base building, but less suited for very long distances or marathon training, where higher cushioning and softer midsoles are often preferred. The shoe performs well for tempo efforts and some interval work due to its nimble feel and ability to pick up speed, but it lacks the responsiveness and lightweight build of dedicated tempo or racing shoes. For racing, especially at competitive paces or longer distances, most experts and users would choose a lighter, more propulsive model. The outsole is not designed for technical trails and only provides basic traction on roads or light gravel, making it a poor choice for trail running. Its comfort, moderate flexibility, and plush heel padding make it a strong option for recovery runs and walking, though the firmer cushioning may not be as gentle as some max-cushion recovery shoes. Stability is neutral, best for runners without significant pronation needs.
Ideal for Best suited for intermediate to experienced runners who value a stable, moderately cushioned shoe for daily training, easy miles, and moderate-paced efforts. Ideal for those who prefer a firmer ride with good ground feel and need a shoe that can handle a variety of workouts short of all-out speed sessions.
The Cloudsurfer 2 offers a balanced, comfortable fit with a slightly firmer ride than its predecessor. The upper is more breathable and the tongue is more padded, which some may find excessive. The shoe is best for daily training, easy runs, and walking, with a smooth, rolling transition and moderate flexibility. Not recommended for technical trails or runners needing stability features.
Sizing: True to size; no need to size up or down for most runners. Fit is consistent with previous Cloudsurfer (2023) and typical On sizing.
Daily Trainer shoes in NORMA's database last between 320 and 800 km across 694 models. At 620 km, the On Cloudsurfer 2 sits in the upper half of that range.
The On Cloudsurfer 2 refines its predecessor with a firmer, more durable midsole and a redesigned upper that boosts comfort and breathability. It excels as a daily trainer for easy to moderate runs, offering a stable, smooth ride with just enough ground feel. While not the most responsive for speedwork, it stands out for its versatility and all-day comfort.
Full specs, fit notes, and reviews on the On Cloudsurfer 2 wiki page.
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The On Cloudsurfer 2 lasts about 620 km, based on hand-researched wear data for this model. Your own mileage shifts with body weight, running surface, and how you use the shoe.
Start checking for wear around 372 km (60% of its lifespan). By 496 km the foam and outsole are usually noticeably degraded, and most runners retire the shoe between there and 620 km.
Daily Trainer shoes in NORMA's database range from 320 to 800 km across 694 models. At 620 km, the On Cloudsurfer 2 sits in the upper half of that range.
Often, yes. A pair with under 60% wear (roughly 372 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.