Runometry Index
No index yet
We are still waiting for its official stack heights (heel and forefoot) to work out its index.
How the index worksPuma Fast Trac Nitro 4 Gore-Tex
Shoe profile
Measurements
- Weight
- 272 g
- Reference size not stated by the source
- LightLighter than 67% of them
Construction
- Midsole foam
- NITROFOAM
- Support
- Neutral
- Widths
- standard
- Outsole
- PUMAGRIP ATR
- Waterproofing
- Waterproof membrane
- Membrane
- GORE-TEX
- Trail use stated by the brand
- Technical terrain, short races
Who and what for
- Use
- Trail running
- Category
- Trail running shoes
- Versions
- Unisex
What’s new since the Puma Fast Trac Nitro 3 Gore-Tex
Same line, new version: here’s what moved, from the published values. Weights are only compared in the same size.
Weight
- Fast Trac Nitro 4 Gore-Tex (2026) · This version
- 272 g
- Fast Trac Nitro 3 Gore-Tex (2025)
- 280 g
- Change
- Sizes differ or aren’t stated: no gap given
Drop
- Fast Trac Nitro 4 Gore-Tex (2026) · This version
- 12 mm
- Fast Trac Nitro 3 Gore-Tex (2025)
- 8 mm
- Change
- +4 mm
Midsole foam
- Fast Trac Nitro 4 Gore-Tex (2026) · This version
- NITROFOAM
- Fast Trac Nitro 3 Gore-Tex (2025)
- NITROFOAM
- Change
- Unchanged
Catalogue price
- Fast Trac Nitro 4 Gore-Tex (2026) · This version
- USD 160
- Fast Trac Nitro 3 Gore-Tex (2025)
- USD 150
- Change
- +USD 10
| Criterion | Fast Trac Nitro 4 Gore-Tex (2026)This version | Fast Trac Nitro 3 Gore-Tex (2025) | Change |
|---|---|---|---|
| Weight | 272 g | 280 g | Sizes differ or aren’t stated: no gap given |
| Drop | 12 mm | 8 mm | +4 mm |
| Midsole foam | NITROFOAM | NITROFOAM | Unchanged |
| Catalogue price | USD 160 | USD 150 | +USD 10 |
Model history
2026 This version
- Weight 272 g
- Drop 12 mm
2025
- Weight 280 g
- Drop 8 mm
2025
- Weight 270 g
- Drop 8 mm
Similar shoes
Derived from terrain, category, use, cushioning, stability, drop, weight and price. Gaps are given against Puma Fast Trac Nitro 4 Gore-Tex.
La Sportiva
Ultra Raptor II GTX
- Drop 11 mm
- same terrain · same category · same role
Vivobarefoot
Primus Trail 3.5 FG
- Weight 281 g
- same terrain · same category · same role
Under Armour
Charged Maven Trail
- Weight 261 g
- same terrain · same category · same role
Helly Hansen
Skyhawk TR
- Weight 260 g
- same terrain · same category · same role