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Katarina Johnson-Thompson (C) of Britain competes during the 800m of women's heptathlon at the 2019 IAAF World Athletics Championships in Doha, Qatar, on Oct. 4, 2019. (Xinhua/Li Ming)
Katarina Johnson-Thompson (C) of Britain competes during the 800m of women's heptathlon at the 2019 IAAF World Athletics Championships in Doha, Qatar, on Oct. 4, 2019. (Xinhua/Li Ming)