New Balance FuelCell SuperComp Trainer v3

New Balance FuelCell SuperComp Trainer v3 review: what runners say

Fit

True to size: do not size down half a size as at least one tester did. Wider toebox compared to the racing versions in the same line, with solid heel lockdown.

Feel

Plush, stable cushioning, less responsive than the v2. A reliable cruiser at marathon pace and slower; the carbon plate adds stiffness but does not turn the shoe into a speed tool.

Best for

Long runs and moderate-volume training for runners preparing for a half marathon or marathon who prioritize comfort and stability over pure energy return. Also suitable as a race shoe for runners who prefer a consistent ride over an aggressive one.

Weak points

Pricing is out of line outside the US and Canada (£230 UK vs. $180 US). Less versatility and less pop than the v2; disappointing at 5K–10K pace.

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