Running shoe footwear compliance guide for road racing and triathlon

Banned Running Shoes in 2026: IRONMAN, NCAA & World Athletics Rules

Are carbon-plated shoes banned? See the 2026 running footwear rules for IRONMAN, World Triathlon, NCAA and World Athletics, including 40 mm road limits, 20 mm track limits, shoe approval, development-shoe restrictions, and the science behind supershoes.

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