Is the Adizero Evo approved for use in official races?

How Does a Lace-Free Shoe Stay Secure During a Race?

adidas has launched a radical redesign of its elite Adizero running line, removing traditional laces in favor of a slip-on construction. The new Adizero Evo model debuted this week as part of the brand’s ongoing effort to push lightweight performance footwear into new territory. Inspired by marathon-winning technology, the shoe targets runners seeking maximum speed with minimal friction and weight.

The slip-on design eliminates laces entirely, relying instead on an engineered knit upper that stretches to fit the foot securely. adidas says the change reduces drag and improves aerodynamics while maintaining the responsive cushioning and energy return that made the Adizero franchise a favorite among competitive athletes. Early testing shows the shoe saves seconds per mile compared to laced versions, according to internal data shared with select running clubs.

The Adizero Evo uses a combination of adaptive compression zones and a reinforced heel cage to lock the foot in place without laces. The upper material adapts to foot movement, tightening slightly under load to prevent slippage. Runners in early trials reported feeling „locked in” after the first few kilometers, with no need for mid-race adjustments. The design also reduces pressure points commonly tied to traditional lacing systems.

What Does This Mean for the Future of Racing Footwear?

By removing laces, adidas is challenging long-held assumptions about what a performance running shoe needs to function at the highest level. If adopted widely, the slip-on model could influence how other brands approach speed-focused design, particularly in track and road racing categories. The company plans to gather feedback from elite athletes before considering a broader release, signaling that innovation—not mass availability—is the immediate goal. Frequently Asked Questions Is the Adizero Evo approved for use in official races? Yes, the shoe meets World Athletics regulations for competitive events, including marathons and track races, as it contains no prohibited mechanical aids.

How much does the Adizero Evo weigh? The shoe weighs approximately 135 grams in men’s size 9, making it one of the lightest running shoes ever produced by adidas.

Will the lace-free design be available in other models? adidas has not announced plans to extend the slip-on technology to other lines, but confirmed it is exploring applications in future performance footwear based on athlete feedback.