Men’s 4x400m & four U.S. women advance, Eaton leads heptathlon heading into 1000m

PORTLAND, Oregon — Two-time defending champion Ashton Eaton (Bend, Oregon) inched closer to his third World Indoor title, while four American women and the U.S. men’s 4x400m relay dominated the heats to highlight Saturday morning action at the IAAF World Indoor Championships.

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