ShoesadidasRunfalcon 3

adidas

adidas Runfalcon 3

adidas Runfalcon 3. 31.6mm stack, 283g. 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

69Great

100-miler readiness

Will this shoe survive a hundred-mile night? 31.6 mm stack, cushion 4/5

30Weak

Descent tolerance

Does it save your toenails on long descents? 18 mm forefoot stack

61Solid

Swelling room

Room to grow when your feet swell? 31.6 mm heel stack

96Elite

Grit resistance

Does dust stay outside the shoe? 3 BR breathability

22Weak

Hot-day comfort

How well does it breathe in heat? 3 BR / ?% drying

42Passable

Achilles-friendly

Kind to a cranky achilles? 13.6 mm drop, heel counter 2/5

Full specs

Drop

13.6 mm

Heel stack

31.6 mm

Forefoot stack

18 mm

Weight

283 g

Plate

No

Waterproof

No

Lab measurements

MeasurementValue
Breathability3 BR
Heel counter2/5
Outsole thickness3.0 mm
Tongue padding8.0 mm
Insole removableYes
Insole thickness3.7 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 adidas Runfalcon 3 good for 100-mile races?

Great. 31.6 mm stack, cushion 4/5. 100-miler readiness score 69/100.

Does the adidas Runfalcon 3 fit wide feet?

Toebox width has not been measured in the lab yet.

What is the drop on the adidas Runfalcon 3?

13.6 mm, with a 31.6 mm heel stack and 18 mm forefoot.

Is the adidas Runfalcon 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: adidas product photo

Specs: retailer. Verified Sep 2, 2026.

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

adidas Runfalcon 3 Review, Specs, and Fit (2026) | PR Run