New Balance FuelCell SuperComp Trainer v3

New Balance FuelCell SuperComp Trainer v3 review: what runners say

Fit

Fit runs true to size overall, but the toe box is narrow and tapers quickly. Multiple sources recommend sizing up half a size, especially for wide-footed runners.

Feel

Plush cushioning with a firmer ride than the V2; the PEBA-EVA compound delivers controlled rather than explosive energy return. Excels from easy pace up to marathon pace; above that it loses ground compared to true racing shoes.

Durability

Outsole rubber well distributed across high-wear zones; at 100 miles the outsole shows minimal wear. Solid construction relative to pure racing shoes, owing to the PEBA-EVA compound's greater longevity over pure PEBA.

Best for

Long-run and quality-workout shoe for runners training for marathons or half marathons. Also viable as a racing shoe for mid-pack runners or road ultras where longevity matters more than outright speed.

Weak points

The narrow toe box is a recurring complaint: sizing up half a size resolves length but introduces some heel slippage. Some runners find the ride too stiff for slow recovery runs.

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