ShoesNew BalanceFuelcell Propel V4

New Balance

New Balance Fuelcell Propel V4

New Balance Fuelcell Propel V4. 33.7mm stack, 276g. Retailer specs verified on Running Warehouse.

PR Run Verified
Soft trailsLong ultrasDaily training

PR Run scores

Grip3/5
Cushion4/5
Protection2/5
Durability3/5
Versatility3/5

PR Run derived fit scores

73Great

100-miler readiness

Will this shoe survive a hundred-mile night? 33.7 mm stack, cushion 4/5

64Solid

Descent tolerance

Does it save your toenails on long descents? 29.2 mm forefoot stack

67Great

Swelling room

Room to grow when your feet swell? 33.7 mm heel stack

87Elite

Grit resistance

Does dust stay outside the shoe? 4 BR breathability

23Weak

Hot-day comfort

How well does it breathe in heat? 4 BR / ?% drying

80Elite

Achilles-friendly

Kind to a cranky achilles? 4.5 mm drop, heel counter 3/5

Full specs

Drop

4.5 mm

Heel stack

33.7 mm

Forefoot stack

29.2 mm

Weight

276 g

Plate

No

Waterproof

No

Lab measurements

MeasurementValue
Traction (CoF)0.48
Breathability4 BR
Flexibility12.6 N
Heel counter3/5
Energy return58.6 %
Shock absorption136 SA
Outsole thickness2.5 mm
Tongue padding5.8 mm
Insole removableYes
Insole thickness4.5 mm
Reflective elementsNo

Lab numbers from RunRepeat. Sources.

Fit intelligence

True to size.

Fit numbers from the lab. Swell guidance: foot care.

Questions before you race

Is the New Balance Fuelcell Propel V4 good for 100-mile races?

Great. 33.7 mm stack, cushion 4/5. 100-miler readiness score 73/100.

Does the New Balance Fuelcell Propel V4 fit wide feet?

Toebox width has not been measured in the lab yet.

What is the drop on the New Balance Fuelcell Propel V4?

4.5 mm, with a 33.7 mm heel stack and 29.2 mm forefoot.

Is the New Balance Fuelcell Propel V4 good on wet rock?

Traction coefficient of friction on wet lab surface: 0.48. Solid grip on wet rock.

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Image: New Balance product photo

Specs: manufacturer. Verified Sep 4, 2026.

Report inaccurate data: hi@pr.run. Data sources.

New Balance Fuelcell Propel V4 Review, Specs, and Fit (2026) | PR Run