Saucony Triumph 23 - Womens Size:10.5 (US) The Endorphin Speed 5 is

The Endorphin Speed 5 is built to go fast and feel smooth—whether you're pushing the pace on track night with friends or you're chasing a PR

In an industry first

floors climbed and more from your wrist1

Built with FuelCell foam to deliver propulsion and speed with minimal weight and maximum traction

Saucony Triumph 23 - Womens Size:10.5 (US) The Endorphin Speed 5 isThe Triumph 23 is designed for those who want to run longer. The softer, lighter PWRRUN PB midsolenow with more cushioningdelivers a responsive ride that can power you through. It's paired with a premium, super responsive sockliner (SRS) and an updated outsole, giving you smooth, flexible transitions mile after mile. Whether its a slow long run or jumping in a weekend 5K, this shoe will stretch your comfort zone with every step.