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IAAF steps up investigation into fears over springs in Nike running shoes | Athletics | The Guardian
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Nike says Bekele wasn't wearing Breaking2 project shoes in London Marathon 2017. – Athletics World News
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London Marathon 2023: Kenenisa Bekele among four of the five fastest men in history in elite men's field - BBC Sport
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Nike says Bekele wasn't wearing Breaking2 project shoes in London Marathon 2017. – Athletics World News
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