Test. Listen. Revise. Repeat. This is marathon performance, shaped by those who run it best. From countless trackside sessions to hours in the On Lab, every detail of the LightSpray Cloudboom Strike 2 reflects direct athlete feedback and real race-day demands. Co-created with 22 world-leading athletes, including Hellen Obiri, Joe Klecker and Kristian Blummenfelt, they each played an instrumental role in developing this pinnacle race-day shoe. Sharing performance-driven insights that would eventually lead to elite marathon and triathlon podiums across the globe. Designed for precision. Tested at the highest level. Built for the world stage. #RunOnClouds