Merrell
Merrell Speed Strike 2
Merrell Speed Strike 2. 37mm stack, 349g. 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? 37 mm stack, cushion 5/5
Descent tolerance
Does it save your toenails on long descents? 23.5 mm forefoot, heel counter 5/5
Swelling room
Room to grow when your feet swell? 33.0 mm toebox height
Grit resistance
Does dust stay outside the shoe? 54 BR breathability
Hot-day comfort
How well does it breathe in heat? 54 BR / 44% drying
Achilles-friendly
Kind to a cranky achilles? 13.5 mm drop, heel counter 5/5
Full specs
Drop
13.5 mm
Heel stack
37 mm
Forefoot stack
23.5 mm
Weight
349 g
Lug depth
3.7 mm
Plate
No
Waterproof
No
Lab measurements
| Measurement | Value |
|---|---|
| Traction (CoF) | 0.58 |
| Breathability | 54 BR |
| Drying potential | 44 % |
| Flexibility | 16.1 N |
| Torsional rigidity | 16.60 Nm |
| Heel counter | 5/5 |
| Energy return | 49.9 % |
| Shock absorption | 108 SA |
| Midsole softness | 38.9 HA |
| Softness in cold | 47.8 % |
| Outsole thickness | 2.3 mm |
| Tongue padding | 9.1 mm |
| Insole removable | Yes |
| Insole thickness | 4.5 mm |
| Reflective elements | No |
Fit intelligence
Toebox width
Narrow toebox (73.3 mm vs 96 mm median)
Toebox height
Tall toebox (33.0 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 Merrell Speed Strike 2 good for 100-mile races?
Elite. 37 mm stack, cushion 5/5. 100-miler readiness score 84/100.
Does the Merrell Speed Strike 2 fit wide feet?
No. Toebox is 73.3 mm which is narrow. Look elsewhere if you need width.
What is the drop on the Merrell Speed Strike 2?
13.5 mm, with a 37 mm heel stack and 23.5 mm forefoot.
Is the Merrell Speed Strike 2 good on wet rock?
Traction coefficient of friction on wet lab surface: 0.58. Elite grip on wet rock.
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swellingRoom: 100/100 (Elite)
descentTolerance: 100/100 (Elite)
gritIngressRisk: 70/100 (Great)
hotFootScore: 65/100 (Great)
achillesFriendlyScore: 19/100 (Weak)
hundredMilerReadiness: 84/100 (Elite)