“Seeing what’s humanly attainable” occasions like Breaking2 and Breaking4 have come to ultrarunning, this time with adidas establishing a no-holds-barred try at breaking six hours for 100 kilometers — and South Africa’s Sibusiso Kubheka did it.
Kubheka crossed the end line in 5:59:20 on the Chasing 100 occasion hosted by adidas on the Nardò Ring auto-racing monitor in southern Italy throughout the in a single day time trial ending on August 26, 2025.
Sibusiso Kubheka on his method to working sub-six hours for 100 kilometers on the Chasing 100 occasion. Photograph: adidas
Whereas that is sooner than the present 100k world document of 6:05:35, run by Lithuania’s Aleksandr Sorokin on the 2023 World’s Quickest Run occasion in Vilnius, Lithuania, it received’t be a world document. Chasing 100 included what seemed to be a tempo automotive, water bottle provisions by transferring cyclists, and Adizero Evo Prime X prototypes of unknown stack heights. Nonetheless, Kubheka ran astonishing tempo of 5:47 minutes per mile or 3:36 minutes per kilometer.
A gaggle shot of the Chasing 100 occasion in August of 2025. Photograph: adidas
Kubheka famous after the race, “I’m so pleased with my efficiency on the market right this moment. Breaking this document and changing into the primary individual to run 100k in underneath 6 hours was not simple — however due to adidas’ partnership, perception, and bespoke applied sciences, we made it occur. After we mix the most effective athletes, the suitable preparation, and sports activities innovation, something is feasible.”
Notably, each Charlie Lawrence (6:03:47) of the U.S. and Sorokin (6:04:10) additionally ran underneath Sorokin’s world document time. That additionally implies that Lawrence ran sooner than the U.S. nationwide document and North American document whereas Sorokin as soon as once more ran underneath his personal the Lithuanian nationwide and European information. Lawerence beforehand set the 50-mile world document of 4:48:21 on the 2023 Tunnel Hill 50 Mile (post-race interview). As for the Lithuanian, Sorokin has set and extra extra ultra-distance world information than we are able to adequately recount in a sentence.
With the arrival of business time trial occasion exploring the bounds of mixed human potential and present expertise, it’s clear that it’s extra than simply the instances which can be altering.
Aleksandr Sorokin throughout the Chasing 100 occasion in Italy in August 2025. Photograph: adidas
