Nike
Nike Free RUN 50
Nike Free RUN 50. 23.4mm stack, 175g. Retailer specs verified on Running Warehouse.
PR Run scores
PR Run derived fit scores
100-miler readiness
Will this shoe survive a hundred-mile night? 23.4 mm stack, cushion 2/5
Descent tolerance
Does it save your toenails on long descents? 15.3 mm forefoot stack
Swelling room
Room to grow when your feet swell? 23.4 mm heel stack
Grit resistance
Does dust stay outside the shoe? moderate BR breathability
Hot-day comfort
How well does it breathe in heat? Standard mesh
Achilles-friendly
Kind to a cranky achilles? 8.1 mm drop, heel counter 1/5
Full specs
Drop
8.1 mm
Heel stack
23.4 mm
Forefoot stack
15.3 mm
Weight
175 g
Plate
No
Waterproof
No
Lab measurements
Fit intelligence
True to size.
Fit numbers from the lab. Swell guidance: foot care.
Questions before you race
Is the Nike Free RUN 50 good for 100-mile races?
Passable. 23.4 mm stack, cushion 2/5. 100-miler readiness score 41/100.
Does the Nike Free RUN 50 fit wide feet?
Toebox width has not been measured in the lab yet.
What is the drop on the Nike Free RUN 50?
8.1 mm, with a 23.4 mm heel stack and 15.3 mm forefoot.
Is the Nike Free RUN 50 good on wet rock?
Lab traction has not been measured for this model yet.
New lab data on soft trails shoes, once a month.
You will get one email per month with new lab data on soft trails shoes. No hype. Unsubscribe in one click.
swellingRoom: 36/100 (Passable)
descentTolerance: 22/100 (Weak)
gritIngressRisk: 50/100 (Solid)
hotFootScore: 36/100 (Passable)
achillesFriendlyScore: 78/100 (Great)
hundredMilerReadiness: 41/100 (Passable)