World Athletics Championships 2017

World Athletics Championships

Tianna Bartoletta of the U.S. competes in the woman's long jump qualifying round. REUTERS/Fabrizio Bensch

Women's 3000 meters steeplechase. REUTERS/Kai Pfaffenbach

Isaac Makwala of Botswana competes alone in the men�s 200 metres additional heat. REUTERS/John Sibley

Evan Jager of the U.S. in action during the men's 3000m steeplechase final. REUTERS/Kai Pfaffenbach

Conseslus Kipruto of Kenya reacts next to Stanley Kebenei from the U.S. after the men's 300m steeplechase. REUTERS/Lucy Nicholson

Axel Chapelle of France competes during the men�s pole vault final. REUTERS/Kai Pfaffenbach

Faith Chepngetich Kipyegon of Kenya celebrates winning the women's 1500m final. REUTERS/Dylan Martinez

Tori Bowie of the U.S. wins the women's 100m final. REUTERS/Fabrizio Bensch

Usain Bolt of Jamaica, who placed third, with winner Justin Gatlin of the U.S. after the 100m final. REUTERS/Phil Noble

Tori Bowie of the U.S. and Kelly-Ann Baptiste of Trinidad and Tobago after the women's 100m race. REUTERS/Lucy Nicholson

A streaker is chased by a steward after invading the track. REUTERS/Kai Pfaffenbach

Nafissatou Thiam of Belgium competes in the women's heptathlon high jump qualifying. REUTERS/Dylan Martinez

Luvo Manyonga of South Africa celebrates winning gold in men's long jump final. REUTERS/Fabrizio Bensch

Tomas Walsh of New Zealand celebrates after the men's shot put final. REUTERS/Kai Pfaffenbach

Katerina Stefanidi of Greece celebrates winning gold in women's pole vault final. REUTERS/Dylan Martinez

General view of Gil Roberts of the U.S. during the men's 400m semi-final. REUTERS/Phil Noble

Piotr Lisek of Poland in action during the men's pole vault final. REUTERS/Kai Pfaffenbach

Karsten Warholm of Norway reacts after winning the men's 400 meter hurdles final. REUTERS/Lucy Nicholson

Antoinette Nana Djimou Ida of France during the women's heptathlon 800m. REUTERS/Lucy Nicholson

Andrei Gag of Romania in action during men's shot put final. REUTERS/Kai Pfaffenbach

Lisa Ryzih of Germany in action during women's pole vault final. REUTERS/Dylan Martinez

Yarisley Silva of Cuba in action during women's pole vault final. REUTERS/Dylan Martinez

Almaz Ayana of Ethiopia celebrates winning the women's 10,000m final. REUTERS/John Sibley

Justin Gatlin of the U.S. (Gold) gestures to Usain Bolt of Jamaica (Bronze) at the men's 100m victory ceremony. REUTERS/Phil Noble

Wayde van Niekerk of South Africa prepares himself for the men's 400m semi-final race. REUTERS/Phil Noble

Amy Cragg of the U.S., Rose Chelimo of Bahrain and Edna Ngeringwony Kiplagat of Kenya gesture after the women's marathon race. REUTERS/Matthew Childs

Nafissatou Thiam of Belgium in action during the women's heptathlon shot put qualifying round. REUTERS/Dylan Martinez

Alina Shukh of Ukraine in action during the women's heptathlon long jump. REUTERS/Fabrizio Bensch

Mohamed Farah of Great Britain celebrates winning the 10,000m final. REUTERS/Phil Noble

Anicka Newell of Canada reacts in the women's pole vault final. REUTERS/Dylan Martinez

Justin Gatlin of the U.S. wins the 100m final. REUTERS/Kai Pfaffenbach

Huang Changzhou of China in action in the men's long jump. REUTERS/Dylan Martinez

Mo Farah of Britain celebrates with his son after winning the men's 10,000m final. REUTERS/Lucy Nicholson

Genzebe Dibaba of Ethiopia and Caster Semenya of South Africa react after the women's 1,500m heats. REUTERS/Lucy Nicholson

Lisa Gunnarsson of Sweden reacts in women's pole vault. REUTERS/Dylan Martinez

Competitors in action in the women's 1,500m heats. REUTERS/Kai Pfaffenbach

Andrius Gudzius of Lithuania competes in men's discus throw qualifying. REUTERS/Fabrizio Bensch

The nails of Michaela Meijer of Sweden during women's pole vault. REUTERS/Kai Pfaffenbach

Liz Panov of Australia competes in women's pole vault qualifying. REUTERS/Dylan Martinez

World Athletics Championships 2017

World Athletics Championships 2017

Presentation Transcript