Meet the On Cloudboom Max: A Super Shoe for the 4–6 Hour Marathoner


Super shoes aren’t just for the pros anymore. The new On Cloudboom Max is designed to bring elite-level innovation to everyday runners—especially those targeting marathon finish times in the 4–6 hour range. If you’ve ever wanted the cushioning, efficiency, and technology of a racing shoe without sacrificing comfort for the long haul, this shoe is built for you.
Key Specs
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Weight: Men’s 10.4 oz (296 g) / Women’s 8.8 oz (250 g)
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Stack Height: 40 mm heel / 32 mm forefoot
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Offset: 8 mm
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Midsole: Dual-layer Helion™ HF Foam + Glass Fiber-Infused Speedboard®
Upper: Breathable and Adaptive
The Cloudboom Max features an ultra-lightweight, breathable mesh upper that molds and adapts to your foot. It’s secure yet flexible, giving you the locked-in feel you need without weighing you down.
Midsole & Outsole: Maximum Comfort Meets Maximum Energy
The midsole is powered by a double layer of Helion™ HF Foam, delivering a balance of energy return, impact absorption, and long-distance comfort. Every stride feels responsive yet protected—perfect for the miles that matter most.
Beneath it all, a glass fiber-infused Speedboard® works to propel you forward with enhanced efficiency, while a wider, more stable platform keeps you grounded and supported from start to finish.
Why It Matters
Not every runner is chasing a 2-hour marathon. The Cloudboom Max brings cutting-edge race-day technology to the runners who make up the heart of every race—those grinding it out for 26.2 miles with finish times of four hours or more. It’s a super shoe that’s actually super accessible, helping everyday marathoners run longer, stronger, and more comfortably.
Final Thoughts
The On Cloudboom Max is an investment in performance and comfort built for the marathoner who values efficiency, stability, and cushioning over the long haul. Whether you’re training for your first marathon or chasing a new personal best, this shoe is ready to go the distance with you.
👉You can shop the On Cloudboom Max now at Runners Plus both in-store and online!