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TAMPERE, FINLAND - JULY 11: Lalu Muhammad Zohri of Indonesia (L) dips for the line to win gold in the final of the men's 100m on day two of The IAAF World U20 Championships on July 11, 2018 in Tampere, Finland. (Photo by Stephen Pond/Getty Images for IAAF)

TAMPERE, FINLAND - JULY 11:  Lalu Muhammad Zohri of Indonesia (L) dips for the line to win gold in the final of the men's 100m on day two of The IAAF World U20 Championships on July 11, 2018 in Tampere, Finland.  (Photo by Stephen Pond/Getty Images for IAAF)

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TAMPERE, FINLAND - JULY 11: Lalu Muhammad Zohri of Indonesia celebrates winning the gold medal in the final of the men's 100m on day two of The IAAF World U20 Championships on July 11, 2018 in Tampere, Finland. (Photo by Charlie Crowhurst/Getty Images for IAAF)

TAMPERE, FINLAND - JULY 11:  Lalu Muhammad Zohri of Indonesia celebrates winning the gold medal in the final of the men's 100m on day two of The IAAF World U20 Championships on July 11, 2018 in Tampere, Finland.  (Photo by Charlie Crowhurst/Getty Images for IAAF)

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TAMPERE, FINLAND - JULY 11: Lalu Muhammad Zohri of Indonesia (C), Anthony Schwartz of The USA (R) and Eric Harrison of The USA (L) celebrate after placing in the medals in the final of the men's 100m on day two of The IAAF World U20 Championships on July 11, 2018 in Tampere, Finland. (Photo by Stephen Pond/Getty Images for IAAF)

TAMPERE, FINLAND - JULY 11:  Lalu Muhammad Zohri of Indonesia (C), Anthony Schwartz of The USA (R) and Eric Harrison of The USA (L) celebrate after placing in the medals in the final of the men's 100m on day two of The IAAF World U20 Championships on July 11, 2018 in Tampere, Finland.  (Photo by Stephen Pond/Getty Images for IAAF)