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New Balance FuelCell Impulse

Discontinued · road · Tempo / Race day · $110

Low-slung FuelCell speed shoe from before the super-shoe era.

Built for tempo, race day, at a target pace of 6:15–8:15 /mi on road.

This model is no longer in production. The closest shoe you can buy today is New Balance FuelCell Rebel v5.

The spec sheet

Weight
215 g / 7.6 oz
Heel stack
24 mm
Drop
6 mm
Plate
—
Cushioning
2 / 5
Energy return
4 / 5
Responsiveness
4 / 5
Rocker
2 / 5
Flexibility
4 / 5
Stability
3 / 5 (5 = most guidance)
Toe-box
Narrow
Sizing
Size up ½
Durability
~250 mi
Price
$110

How it rides

The foam

New Balance tuned this midsole firm (2/5 on our cushioning scale). Energy return is above average: the midsole rebounds well without feeling unstable. 24 mm of heel stack keeps you low and connected, with more ground feel than most current trainers. Combined, the ride reads as snappy at 4/5 responsiveness.

The plate

There is no plate here. The midsole does all the work, so the shoe flexes naturally and stays versatile across paces — easier on the feet day to day, but without the snap of a plated shoe when you want to roll.

The geometry

A 6 mm drop is the mainstream middle — familiar to almost anyone coming from a standard trainer. The geometry is fairly traditional and flat, so the shoe follows your foot rather than steering it. The forefoot flexes easily, so the shoe adapts to slower, shorter strides. Support is light — neutral, with a mildly steady platform.

Fit, sizing & life

The toe-box is narrow and performance-oriented; wide-footed runners should try before buying. It runs small; most runners size up a half. Expect roughly 250 miles from the outsole, about $0.44 per mile at $110.

For the foams and plates New Balance uses across its line, read the New Balance brand guide.

How it compares

Measured against the 542 currently-available shoes in the catalog. The bar shows where this shoe sits in that range.

Weight

215 g / 7.6 oz

60 g lighter than the catalog median of 275 g

Heel stack

24 mm

12 mm lower than the catalog median of 36 mm

Drop

6 mm

Level with the catalog median of 6 mm

Price

$110

50 cheaper than the catalog median of 160

Responsiveness

4 / 5

Catalog median 3 / 5

Cushioning

2 / 5

Catalog median 4 / 5

Energy return

4 / 5

Catalog median 3 / 5

Durability

~250 mi

Catalog median ~400 mi

Within the New Balance line it is lighter than the brand's median (278 g / 9.8 oz) and sits lower than its median stack (36 mm).

Closest alternatives

Current shoes with the nearest combination of weight, stack, drop, foam feel and plate.

Adidas Adizero RC 5

210 g / 7.4 oz · 28 mm · 8 mm drop · — · $90

Lightweight, firm budget racer for track work and 5Ks.

Topo Athletic Cyclone 3

205 g / 7.2 oz · 30 mm · 5 mm drop · — · $155

Light, energetic tempo shoe that wakes up at speed.

New Balance FuelCell Rebel v4(2024)

218 g / 7.7 oz · 30 mm · 6 mm drop · — · $140

Featherweight, plateless and playful — an uptempo trainer that never feels heavy.

Topo Athletic Fli-Lyte 6

210 g / 7.4 oz · 23 mm · 3 mm drop · — · $110

Low, nimble shoe balancing ground feel with a touch of cushion.

Saucony Kinvara 16

198 g / 7.0 oz · 29 mm · 4 mm drop · — · $140

Saucony Kinvara 16: 29 mm heel stack, 4 mm drop, 207 g — specs from independent lab testing.

Lineage & siblings