ShoesAltraOutroad 3

Altra

Altra Outroad 3

Altra Outroad 3. 23.8mm stack, 261g. Retailer specs verified on Running Warehouse.

PR Run Verified
Soft trailsDaily training

PR Run scores

Grip2/5
Cushion2/5
Protection2/5
Durability3/5
Versatility3/5

PR Run derived fit scores

41Passable

100-miler readiness

Will this shoe survive a hundred-mile night? 23.8 mm stack, cushion 2/5

46Passable

Descent tolerance

Does it save your toenails on long descents? 23.2 mm forefoot stack

37Passable

Swelling room

Room to grow when your feet swell? 23.8 mm heel stack

98Elite

Grit resistance

Does dust stay outside the shoe? 2 BR breathability

22Weak

Hot-day comfort

How well does it breathe in heat? 2 BR / ?% drying

100Elite

Achilles-friendly

Kind to a cranky achilles? 0.6 mm drop, heel counter 2/5

Full specs

Drop

0.6 mm

Heel stack

23.8 mm

Forefoot stack

23.2 mm

Weight

261 g

Lug depth

1.5 mm

Plate

No

Waterproof

No

Lab measurements

MeasurementValue
Breathability2 BR
Heel counter2/5
Outsole thickness1.6 mm
Tongue padding8.2 mm
Insole removableYes
Insole thickness4.7 mm
Reflective elementsYes

Lab numbers from RunRepeat. Sources.

Fit intelligence

Runs small. Consider a half size up.

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

Questions before you race

Is the Altra Outroad 3 good for 100-mile races?

Passable. 23.8 mm stack, cushion 2/5. 100-miler readiness score 41/100.

Does the Altra Outroad 3 fit wide feet?

Toebox width has not been measured in the lab yet.

What is the drop on the Altra Outroad 3?

0.6 mm, with a 23.8 mm heel stack and 23.2 mm forefoot.

Is the Altra Outroad 3 good on wet rock?

Lab traction has not been measured for this model yet.

Manufacturer specs

New lab data on soft trails shoes, once a month.

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Image: Altra product photo

Specs: retailer. Verified Sep 2, 2026.

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

Altra Outroad 3 Review, Specs, and Fit (2026) | PR Run