Our London Marathon Edition
Introducing the Saucony Endorphin Speed 4, the ultimate fusion of speed and innovation in running footwear. Engineered with PWRRUN PB cushioning for unparalleled energy return, these shoes offer a responsive and propulsive ride with every stride. The lightweight design and FORMFIT technology provide a personalized fit and exceptional comfort, while the breathable mesh upper ensures ventilation during intense runs. Whether you're training for a race or aiming to elevate your performance, the Endorphin Speed 4 empowers you to reach new levels of speed and efficiency on the road, enabling you to unleash your full potential and dominate every run.

01 RE-ENGINEERED WINGED NYLON PLATE
Added tortional rigidity while maintaining flexibility in toe off.

02 SERIOUS STEP IN COMFORT
A small detail with major upgrades – introducing our all-new Super Responsive Sockliner. We dare you not to spring for joy.

03 IMPROVED RACE-READY FIT
Zonal engineered mesh is equally breathable, but more durable. Plus, an integrated tongue for a connected, secure fit.