ShoesTopo AthleticSpecter 2

Topo Athletic

Topo Athletic Specter 2

Topo Athletic Specter 2. 36mm stack, 238g. Retailer specs verified on Running Warehouse.

PR Run Verified
Soft trailsLong ultrasDaily training

PR Run scores

Grip3/5
Cushion5/5
Protection2/5
Durability3/5
Versatility3/5

PR Run derived fit scores

79Great

100-miler readiness

Will this shoe survive a hundred-mile night? 36 mm stack, cushion 5/5

100Elite

Descent tolerance

Does it save your toenails on long descents? 29.2 mm forefoot, heel counter 2/5

100Elite

Swelling room

Room to grow when your feet swell? 31.8 mm toebox height

80Elite

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

76Great

Achilles-friendly

Kind to a cranky achilles? 6.8 mm drop, heel counter 2/5

Full specs

Drop

6.8 mm

Heel stack

36 mm

Forefoot stack

29.2 mm

Weight

238 g

Plate

No

Waterproof

No

Lab measurements

MeasurementValue
Traction (CoF)0.60
Breathability4 BR
Flexibility18.5 N
Torsional rigidity15.70 Nm
Heel counter2/5
Energy return64.4 %
Shock absorption137 SA
Outsole thickness2.8 mm
Tongue padding4.0 mm
Insole removableYes
Insole thickness4.2 mm
Reflective elementsNo

Lab numbers from RunRepeat. Sources.

Fit intelligence

Toebox width

Narrow toebox (80.2 mm vs 96 mm median)

Toebox height

Tall toebox (31.8 mm vs 25 mm median)

Runs small. Consider a half size up.

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

Questions before you race

Is the Topo Athletic Specter 2 good for 100-mile races?

Great. 36 mm stack, cushion 5/5. 100-miler readiness score 79/100.

Does the Topo Athletic Specter 2 fit wide feet?

No. Toebox is 80.2 mm which is narrow. Look elsewhere if you need width.

What is the drop on the Topo Athletic Specter 2?

6.8 mm, with a 36 mm heel stack and 29.2 mm forefoot.

Is the Topo Athletic Specter 2 good on wet rock?

Traction coefficient of friction on wet lab surface: 0.60. Elite grip on wet rock.

Manufacturer specs

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

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Image: Topo Athletic product photo

Specs: manufacturer. Verified Sep 4, 2026.

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

Topo Athletic Specter 2 Review, Specs, and Fit (2026) | PR Run