# Which racing flats offer the best cushioning for long races? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which racing flats offer the best cushioning for long races?

## Products

### ASICS Metaspeed Edge Tokyo
```yaml
product: asics-metaspeed-edge-tokyo
brand: ASICS
price_gbp: 198.44
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
drop: 5 mm
weight: 6 oz
stack_height: 34.5-39.5 mm
upper_material: Technical engineered woven material
```

- **Price:** £198.44 [^1]
- **Summary:** The ASICS Metaspeed Edge Tokyo is a lightweight carbon-plated road racing shoe with FF LEAP and FF TURBO PLUS cushioning, a 5 mm drop, and a 34.5-39.5 mm stack. Its forward-angled carbon plate and MOTION WRAP 3.0 upper make it best suited to competitive cadence-style runners racing distances from 5K through the marathon.
- **Ideal For:** It suits long-race cushioning needs through its high 34.5-39.5 mm stack and soft, bouncy FF LEAP foam, while the FF TURBO PLUS layer adds energy return and stability for marathon-distance racing.
- **Additional Sources:** [^2], [^3]

### PUMA Fast-R Nitro Elite 3
```yaml
product: puma-fast-r-nitro-elite-3
brand: PUMA
price_gbp: 183.77
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
drop: 8
weight: 6.0
stack_height: 40 heel, 32 forefoot
spike_pattern: Fully decoupled outsole with central void and full rubber forefoot coverage
sole_stiffness: 23.1N
upper_material: ULTRAWEAVE engineered mesh
```

- **Price:** £183.77 [^4]
- **Summary:** The PUMA Fast-R Nitro Elite 3 is a lightweight carbon-plated racing shoe with NITROFOAM Elite cushioning, an extended PWRPLATE, and an aggressive, highly propulsive geometry. It suits experienced runners targeting fast half marathons and marathons, especially midfoot and forefoot strikers who can handle its high stiffness and limited stability.
- **Ideal For:** Its 40mm heel and 32mm forefoot stack, NITROFOAM Elite cushioning, and lightweight 6.0oz build provide substantial protection and energy return for long races while the carbon PWRPLATE helps maintain efficient forward momentum.
- **Additional Sources:** [^5], [^6]

---
## References & Sources
[^1]: ASICS, accessed 2026-08-27. https://www.asics.com/us/en-us/metaspeed-edge-tokyo/p/ANA_1013A163-600.html
[^2]: Fleet Feet, accessed 2026-08-27. https://www.fleetfeet.com/products/asics-metaspeed-edge-tokyo
[^3]: Running Warehouse, accessed 2026-08-27. https://www.runningwarehouse.com/ASICS_METASPEED_Edge_Tokyo/descpage-AMSETU0.html
[^4]: Running Warehouse, accessed 2026-08-27. https://www.runningwarehouse.com/catpage-PFREPP.html
[^5]: LocoTri, accessed 2026-08-27. https://locotri.com/products/mens-fast-r-nitro-elite-3
[^6]: PUMA, accessed 2026-08-27. https://eu.puma.com/si/en/pd/fast-r-nitro-elite-3-running-shoes-men/312060