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How long does the On Cloudflow 4 last?
On
~500 km
Expected lifespan, based on hand-researched wear data for this model.
Speedwork
Hand-researched
Norma Score 8.5/10
Expected life
~500 km
Check wear at
300 km
Usually worn by
400 km
Got a pair? Check how much life is left.
Free, 4 quick questions with this shoe pre-selected. Wear percentage, km remaining, and what your pair is worth.
Check your Cloudflow 4Why it lasts that long
Reviewers note high-quality materials and a durable upper, with the shoe holding up well for tempo and daily training. However, the thin upper and lighter build may not match the longevity of heavier, more cushioned trainers. Durability is above average but not best-in-class.
- Foam:
- TPU
- Midsole:
- Dual-density Helion foam with spoon-shaped TPU Speedboard plate
- Drop:
- 8 mm
- Weight:
- 247 g
Among speedwork shoes
250 kmCloudflow 4: 500 km800 km
Speedwork shoes in NORMA's database last between 250 and 800 km across 103 models. At 500 km, the On Cloudflow 4 sits in the lower half of that range.
About the Cloudflow 4
The On Cloudflow 4 is a lightweight, responsive trainer built for runners who crave speed and a firm, connected ground feel. Its rockered design and snappy midsole excel at tempo runs, intervals, and race days up to the half marathon distance. While not the softest option, its blend of breathability, durability, and forward-rolling ride make it a standout for those prioritizing performance and efficiency.
Full specs, fit notes, and reviews on the On Cloudflow 4 wiki page.
Common questions
How many kilometres does the On Cloudflow 4 last?▼
The On Cloudflow 4 lasts about 500 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.
When should I replace the On Cloudflow 4?▼
Start checking for wear around 300 km (60% of its lifespan). By 400 km the foam and outsole are usually noticeably degraded, and most runners retire the shoe between there and 500 km.
How does the On Cloudflow 4 compare to other speedwork shoes?▼
Speedwork shoes in NORMA's database range from 250 to 800 km across 103 models. At 500 km, the On Cloudflow 4 sits in the lower half of that range.
Is a used On Cloudflow 4 worth buying?▼
Often, yes. A pair with under 60% wear (roughly 300 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.