Adidas Adizero Prime X3 Strung

Adidas Adizero Prime X3 Strung review: what runners say

Fit

True to size for most runners; narrow toe box, not recommended for wide feet or thick socks. No heel slippage reported.

Feel

Dense, responsive cushioning — not plush. The highly aggressive forefoot rocker promotes forward propulsion; at sustained paces the shoe performs well, but the stiffness of the dual carbon-rods construction makes long runs taxing. Requires a significant break-in period before performing at its best.

Durability

Minimal wear after 100 km of testing: visible compression at the center of the heel in unrubberized areas, forefoot outsole pattern lightly marked. Shorter lifespan than the previous version due to the softer compound.

Best for

Long training runs with pace variation, short intervals, and fast-paced sessions. Too heavy for race day; illegal for World Athletics competition due to 50 mm stack. Not suited for runners seeking a natural ride or comfortable long-distance shoe.

Weak points

Excessive weight (281–286 g) offsets some of the speed assistance. Ride is overly stiff for long runs, with transitions between the different foam layers and the carbon system not always cohesive. The loop lacing system offers poor fit control, especially in the forefoot. Requires significant break-in before performing at its best.

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