On Running Cloudboom Strike 2 Preview

A side-profile shot of the On Running Cloudboom Strike 2 on a track, captured with high-speed photography to emphasise the sleek, aerodynamic silhouette and crisp texture of the engineered mesh.
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This page is a preview based on early news and info and will be updated with a full hands-on review upon launch. The footwear industry is currently buzzing with anticipation regarding the On Running Cloudboom Strike 2. As a brand that has consistently prioritised Swiss-engineered precision, On is poised to refine its marathon-racing silhouette with this iterative update. Early leaks suggest a focus on energy return optimisation and structural integrity in the midsole geometry.

Evolution: The history of the shoe line

The Cloudboom lineage began as On’s ambitious entry into the carbon-plated marathon market. Initially, the brand struggled to balance the firm, sometimes harsh, ride of their signature CloudTec pods with the requirements of a high-rebound racing shoe. The transition from the original Cloudboom to the Strike series marked a shift towards a more aggressive rocker profile and the adoption of super-foams. The Cloudboom Strike 2 represents the next logical step in this evolution, likely integrating feedback regarding the lateral stability and forefoot transition of its predecessor.

Top 5 Features to look out for

  1. Enhanced Helion HF hyper-foam formulation for increased energy return.
  2. Redesigned Speedboard geometry to improve torsional rigidity.
  3. Ultra-lightweight mono-mesh upper with targeted zonal reinforcement.
  4. Optimised heel-to-toe drop to encourage a midfoot strike pattern.
  5. Advanced outsole rubber compound for superior wet-surface traction.

Performance Expectations: What improvements are expected?

Enthusiasts are looking for a significant reduction in weight while maintaining the structural support required for high-velocity racing. Speculation points towards a refined carbon-fibre plate placement that offers a snappier toe-off without the excessive stiffness that plagued earlier iterations. The primary goal for the designers appears to be a seamless integration between the midsole foam density and the plate’s lever arm effect.

Special Features & Technical Specifications

The technical specifications remain subject to final production adjustments, but current data suggests a weight target under 200 grams for a UK size 8.5. The midsole is expected to feature a dual-density setup, utilising the proprietary Helion HF foam, which is known for its high resilience and temperature resistance. The geometry of the CloudTec elements has been visually simplified to reduce weight and prevent debris collection, a common critique of past models.

Comfort & Fit

The upper construction is anticipated to be a single-layer, highly breathable engineered mesh. By removing excess padding and focusing on a race-day fit, the designers aim to lock the foot in place during high-speed cornering. The heel counter is expected to be minimal yet effective, providing necessary lockdown without adding unnecessary bulk to the rear of the shoe.

What are the press saying?

Industry insiders suggest that On is focusing heavily on the elite-level marathon market to compete directly with rival super-shoes. Reports indicate that professional athletes have been testing prototypes in controlled environments, providing data that has directly informed the final tuning of the midsole’s durometer.

What are the review sites saying?

While official reviews are currently unavailable, technical forums are rife with speculation. Analysts are closely watching the stack height, which is expected to sit near the maximum legal limit of 40mm. The consensus among gear testers is that if On can successfully blend their unique aesthetic with a more compliant ride, the Strike 2 could be a top-tier contender for the podium.

Release Date & Pricing Information (UK/USA)

The anticipated release date is set for late 2024, with a projected price point hovering around £250 in the UK and $280 in the USA, reflecting its status as a premium performance piece.

10 alternative items to try

  1. Nike Vaporfly 3: The industry standard for marathon racing, featuring ZoomX foam and a full-length carbon plate. It offers unparalleled energy return and a lightweight build that remains the benchmark for competitive runners aiming for personal bests. Its geometry is specifically designed to facilitate efficient transitions at high speeds.
  2. Adidas Adizero Adios Pro 3: Utilising Lightstrike Pro foam and carbon-infused EnergyRods, this shoe provides a unique, propulsive feel that differs from traditional plates. It is highly regarded for its stability during long-distance efforts and its exceptional grip, even in challenging weather conditions on the road.
  3. Saucony Endorphin Pro 4: A blend of PWRRUN HG and PWRRUN PB foams creates a responsive yet cushioned ride. The Speedroll technology encourages a forward momentum that feels natural and efficient. It is an excellent choice for runners who prefer a slightly more forgiving landing than the firmest super-shoes.
  4. Asics Metaspeed Sky Paris: Designed specifically for stride-style runners, this model focuses on increasing stride length through a highly responsive foam and a strategic carbon plate placement. It is incredibly light and features a refined upper for a secure, race-ready fit that keeps the foot cool.
  5. New Balance FuelCell SuperComp Elite v4: Featuring an updated PEBA-based midsole, this shoe offers a softer, more luxurious ride compared to many of its competitors. It provides ample cushioning for marathon distances while maintaining enough snap to handle faster threshold intervals with ease and comfort.
  6. Hoka Cielo X1: A bold entry from Hoka that uses a winged carbon plate and aggressive rocker geometry. The ride is exceptionally propulsive, making it ideal for runners who want a high stack height that feels both stable and incredibly fast during intense competitive racing scenarios.
  7. Puma Deviate Nitro Elite 3: This shoe delivers a surprisingly versatile performance, balancing speed with durability. The Nitro Elite foam is lightweight and bouncy, while the PUMAGRIP outsole ensures confidence-inspiring traction on various road surfaces, making it a reliable option for both training and race day.
  8. Brooks Hyperion Elite 4: A refined racer that uses DNA FLASH v2 cushioning to provide a smooth, consistent ride. It is designed for runners who value a more traditional feel in a carbon-plated shoe, offering a balance of responsiveness and support without feeling overly aggressive.
  9. Mizuno Wave Rebellion Pro 2: This unique shoe features a dramatic heel-less design that forces the runner onto their forefoot. It is a highly technical tool for those looking to maximise their biomechanical efficiency and achieve a faster cadence during high-intensity road racing events.
  10. On Running Cloudboom Echo 3: The predecessor to the Strike line, this shoe remains a viable option for those who enjoy the distinct On feel. It offers a firm, responsive ride that is well-suited for shorter, faster races where ground feel and precision are prioritised over maximum cushioning.

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