
Gia Lewis-Smallwood of the United States competes during the women's discus throw final at the IAAF World Challenge Meetings in Zagreb, Croatia, on Aug. 29, 2017. (Xinhua/Goran Stanzl)

Gia Lewis-Smallwood of the United States competes during the women's discus throw final at the IAAF World Challenge Meetings in Zagreb, Croatia, on Aug. 29, 2017. (Xinhua/Goran Stanzl)