# What are the lightest weight road racing flats available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the lightest weight road racing flats available?

## Products

### adidas Adizero Takumi Sen 11
```yaml
product: adidas-adizero-takumi-sen-11
brand: adidas
price_gbp: 87.47
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
drop: 7 mm
weight: 6.5 oz 184 g
stack_height: 32 mm heel / 25 mm forefoot
sole_thickness: 1.1 mm outsole
upper_material: Lightlock textile
outsole_material: LIGHTTRAXION with Continental rubber
```

- **Price:** £87.47 [^1]
- **Summary:** The adidas Adizero Takumi Sen 11 is a lightweight road-racing shoe with a moderate stack, Lightstrike Pro foam, and glass-fiber EnergyRods for a snappy, fast ride. It suits runners targeting 5K to 10K races, track workouts, and shorter road races who prefer a lower-profile racing shoe.
- **Ideal For:** At 184 g with a 32 mm heel, 25 mm forefoot, and 7 mm drop, this is a lightweight road racer designed for fast 5K to 10K efforts while retaining more cushioning than traditional racing flats.
- **Additional Sources:** [^2], [^3]

### New Balance FuelCell SuperComp Pacer v2
```yaml
product: new-balance-fuelcell-supercomp-pacer-v2
brand: New Balance
price_gbp: 955.64
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
drop: 8 mm
weight: 209 g
stack_height: 35 mm heel / 27 mm forefoot
sole_thickness: 2.9 mm
upper_material: Breathable mesh
outsole_material: Rubber
```

- **Price:** £955.64 [^4]
- **Summary:** The FuelCell SuperComp Pacer v2 is a lightweight carbon-plated road racing shoe with a 100% PEBA FuelCell midsole and a low-profile design. It is best suited to fast 5K through half-marathon racing for runners who want a responsive, propulsive feel close to the ground.
- **Ideal For:** At 209 g with a 35 mm heel and 27 mm forefoot stack, this carbon-plated road racer is a lightweight option for runners seeking fast racing flats with more cushioning and propulsion than traditional flats.
- **Additional Sources:** [^5]

### Altra Escalante Racer 2
```yaml
product: altra-escalante-racer-2
brand: Altra
price_gbp: 73.42
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
drop: 0 mm
weight: 8.8 oz / 249 g
stack_height: 22 mm
sole_thickness: 4.6 mm
upper_material: Engineered Knit
outsole_material: Rubber
```

- **Price:** £73.42 [^6]
- **Summary:** The Altra Escalante Racer 2 is a lightweight, low-profile road shoe with a 22 mm stack, zero drop, responsive Altra EGO midsole, and breathable engineered knit upper. Its roomy Original FootShape fit and firm, grounded ride suit runners seeking a natural-feeling shoe for speedwork, shorter races, and fast training.
- **Ideal For:** With a men's weight of 8.8 oz / 249 g, 22 mm stack height, zero drop, and road-focused rubber outsole, the Escalante Racer 2 is a lightweight option for runners seeking racing flats with a natural, responsive feel.
- **Additional Sources:** [^7], [^8]

---
## References & Sources
[^1]: adidas, accessed 2026-08-28. https://www.adidas.com/us/adizero-takumi-sen-11-shoes/JQ2812.html
[^2]: Running Warehouse, accessed 2026-08-28. https://www.runningwarehouse.com/adidas_adizero_Takumi_Sen_11/descpage-A11TSU3.html
[^3]: Sportsshoes, accessed 2026-08-28. https://www.sportsshoes.com/store/adidas-adizero-takumi-sen
[^4]: New Balance Brazil, accessed 2026-08-28. https://www.newbalance.com.br/tenis-new-balance-fuelcell-supercomp-pacer-v2-masculino-1331052/p
[^5]: ASports, accessed 2026-08-28. https://www.asports.com.br/produtos/new-balance-fuelcell-supercomp-pacer-v2-mens-shoes-man/
[^6]: Running Warehouse, accessed 2026-08-28. https://www.runningwarehouse.com/Altra_Escalante_Racer_2/descpage-AL2ERM1.html
[^7]: Running Warehouse Europe, accessed 2026-08-28. https://www.runningwarehouse.eu/Altra_Escalante_Racer_2/descpage-AL2ERGO-EN.html
[^8]: Altra Running, accessed 2026-08-28. https://www.altrarunning.com/en-us/products/mens-escalante-racer-2-al0a85ng