ShoesBrooksHyperion MAX 4

Brooks

Brooks Hyperion MAX 4

Brooks Hyperion MAX 4. 44.8mm stack, 292g. Retailer specs verified on Running Warehouse.

PR Run Verified
Soft trailsLong ultrasDaily training

PR Run scores

Grip3/5
Cushion5/5
Protection3/5
Durability3/5
Versatility3/5

PR Run derived fit scores

84Elite

100-miler readiness

Will this shoe survive a hundred-mile night? 44.8 mm stack, cushion 5/5

100Elite

Descent tolerance

Does it save your toenails on long descents? 35.2 mm forefoot, heel counter 4/5

100Elite

Swelling room

Room to grow when your feet swell? 23.1 mm toebox height

43Passable

Grit resistance

Does dust stay outside the shoe? 61 BR breathability

75Great

Hot-day comfort

How well does it breathe in heat? 61 BR / 53% drying

46Passable

Achilles-friendly

Kind to a cranky achilles? 9.6 mm drop, heel counter 4/5

Full specs

Drop

9.6 mm

Heel stack

44.8 mm

Forefoot stack

35.2 mm

Weight

292 g

Plate

No

Waterproof

No

Lab measurements

MeasurementValue
Traction (CoF)0.59
Breathability61 BR
Drying potential53 %
Flexibility19.0 N
Torsional rigidity19.10 Nm
Heel counter4/5
Energy return62.9 %
Shock absorption148 SA
Midsole softness24.6 HA
Outsole thickness2.8 mm
Tongue padding3.3 mm
Insole removableYes
Insole thickness2.5 mm
Reflective elementsNo

Lab numbers from RunRepeat. Sources.

Fit intelligence

Toebox width

Narrow toebox (71.7 mm vs 96 mm median)

Toebox height

Slightly shallow (23.1 mm vs 25 mm median)

True to size.

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

Questions before you race

Is the Brooks Hyperion MAX 4 good for 100-mile races?

Elite. 44.8 mm stack, cushion 5/5. 100-miler readiness score 84/100.

Does the Brooks Hyperion MAX 4 fit wide feet?

No. Toebox is 71.7 mm which is narrow. Look elsewhere if you need width.

What is the drop on the Brooks Hyperion MAX 4?

9.6 mm, with a 44.8 mm heel stack and 35.2 mm forefoot.

Is the Brooks Hyperion MAX 4 good on wet rock?

Traction coefficient of friction on wet lab surface: 0.59. Elite grip on wet rock.

Manufacturer specs · Retailer listing

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Image: Running Warehouse product photo

Specs: manufacturer. Verified Sep 4, 2026.

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

Brooks Hyperion MAX 4 Review, Specs, and Fit (2026) | PR Run