- CEasy Pace
- CModerate Pace
- CRace Pace
- CComfort
The On Cloudboom Max is positioned as a race-day super shoe designed for non-elite marathoners aiming for 4 to 6-hour finish times, prioritizing stability and comfort. Featuring a dual-density Helion HF foam midsole, glass fiber Speedboard, and a 40mm stack height, it offers excellent stability, a good lockdown fit, and durable outsole grip, proving suitable for cruising at consistent, easy paces. However, many reviewers noted a firm and often rigid ride lacking the expected "pop" or energy return, its considerable weight for a race shoe, and instances where the toe box felt short or caused discomfort. Consequently, it is often suggested to perform more like a versatile super trainer best suited for long training runs rather than fast racing, frequently struggling to justify its premium $230 price point.
Highlights
- Strong stability and underfoot support that helps maintain form over long distances
- Secure lockdown with a comfortable, breathable upper
- Durable rubber outsole providing reliable traction in varied conditions
- Smooth, consistent ride optimized for slower marathon paces
Considerations
- Heavy weight for a race-day or performance shoe
- Firm, rigid ride with muted responsiveness and minimal energy return
- Runs short and narrow in the toe box, potentially causing rubbing
- Minimal rocker geometry may contribute to calf and foot fatigue on extended runs
Specifications
Key features
- Plated
Midsole
Primary midsole
Helion HF
PEBA · On
Secondary layer
Helion HF (TPEE)
TPEE · On

YouTube
On Cloudboom MAX - 4hr+ Marathon Racer!
RadDadBodTV · youtube.com
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YouTube
On Cloudboom Max | A "Supershoe For Everyone"?
Fleet Feet · youtube.com
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YouTube
On Cloudboom Max First Run Review | A performance shoe designed for 4-hour marathoners
The Run Testers · youtube.com
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YouTube
On Cloudboom Max | Full Review
Believe in the Run · youtube.com
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YouTube
On Cloudboom Max Review | Do 4-hour marathon runners need a special shoe?
The Run Testers · youtube.com
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YouTube
On Cloudboom Max - A Race Day Shoe for the Middle of the Pack
Kofuzi · youtube.com
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YouTube
On Cloudboom Max | Full Review
Believe in the Run · youtube.com
Opens in new tab
YouTube
On Cloudboom Max - A Race Day Shoe for the Middle of the Pack
Kofuzi · youtube.com
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