Ultrafly Trail
Ultrafly Trail is the first-generation Ultrafly, built to balance speed and grip in long-distance trail racing. ZoomX foam works with a carbon Flyplate, while a Vibram Litebase outsole with Traction Lug geometry and Megagrip compound supports traction across rocky terrain, climbs and descents.
- Intended uses:
- Trail, Race
Specs
Among 869 listed shoes, this is a heavier / high-stack Trail
- Weight
- 300g
- Of 814 known values: 628 lower, 22 equal, 164 higher. The marker uses the midpoint of equal values.
- heavierUpper 22.9%, including ties / average +33g
- Drop
- 8.5mm
- Of 818 known values: 649 lower, 4 equal, 165 higher. The marker uses the midpoint of equal values.
- higherUpper 20.7%, including ties / average +1.7mm
- Stack height (heel/forefoot)
- 38.5 / 30mm
- Of 694 known values: 500 lower, 15 equal, 179 higher. The marker uses the midpoint of equal values.
- higherUpper 28%, including ties / average +3.8mm
- Carbon plate
- Yes
- 17% of 787 known models have carbon plates
- Midsole
- ZoomX
- Outsole
- Vibram Litebase / Traction Lug / Megagrip
- Reference price
- -
- Not registered
Weight measurement and plate details
- Weight note
- Nike Japan's exact official article lists 300g for men's US 10; the same spec block lists 249g for women's US 8.
- Plate note
- Nike's exact official articles explicitly identify a carbon Flyplate between the ZoomX foam and the wrapped midsole.
Compare within the database
See where these specs sit in the overall distribution. You can also compare within the same category.
Comparison: All data (869 shoes)
Position map
Weight x stack height
registered average: 266g / 34.7mm (686 shoes)
The scatter plot includes only shoes with both weight and stack height registered.
Spec distributions
Weight
This shoe 300g·registered average 267g (814 shoes)
Drop
This shoe 8.5mm·registered average 6.8mm (818 shoes)
Stack height
This shoe 38.5mm·registered average 34.7mm (694 shoes)
Items with missing numeric values are excluded. Sample sizes and measurement conditions vary between models; this distribution is not a performance ranking.