The United States extended its lead of total medals in the track & field events on Wednesday with some dazzling displays in the men's 110 meter hurdles and the women's 400 meter hurdles, 200 meters and long jump.
The U.S. now leads the world with 20 total medals and five gold medals in track & field alone this summer. Russia is second in total medals with nine.
Men's Pole Vault: Qualification
Konstadinos Filippidis of Greece led Group A qualifying with a mark of 5.60 meters. Others who qualified in Group A include: Evgeniy Lukyanenko, Romain Mesnil, Lukasz Michalski, Steve Hooker, Steven Lewis, Malte Mohr and Bjorn Otto.
Raphael Holzdeppe of Germany and Renaud Lavillenie of France led Group B with marks of 5.65 meters. Others who qualified in the group included: Brad Walker, Dmitry Starodubtsev, Igor Bychkov and Jan Kudlicka.
Women's Hammer Throw: Qualification
In Group A qualification, Anita Wlodarczyk of Poland led the competition with a mark of 75.68 meter. Others who qualified in Group A include: Betty Heidler, Tatyana Lysenko, Yipsi Moreno and Sophie Hitchon.
Wenxiu Zhang of China led Group B with a mark of 74.53 meters. Others who qualified in Group B included: Kathrin Klaas, Mariya Bespalova, Aksana Miankova, Zalina Marghieva, Stephanie Falzon and Joanna Fiodorow.
Men's Decathlon: 100m
The United States' Ashton Eaton won the 100 meters in the men's decathlon on Wednesday with an Olympics-best time of 10.35 seconds.
Men's 5000m: Round 1
Hayle Ibrahimov of Azerbaijan led Heat 1 of the men's 5,000 meters with a time of 13:25.23. Others who advanced in the heat included: Isiah Kiplangat Koech, Mo Farah, Lopez Lomong and Hagos Gebrhiwet.
Dejen Gebremeskel of Ethiopia led Heat 2 with a time of 13:15.15. Others who advanced in Heat 2 included: Yenew Alamirew, Thomas Pkemei Longosiwa, Bernard Lagat, Abdalaati Iguider, Galen Rupp, Moses Ndiema Kipsiro, Cameron Levins, Juan Luis Barrios and Mumin Gala.
Men's Decathlon: Long Jump
The United States' Ashton Eaton is cleaning up in the men's decathlon. He won the the men's long jump in the event on Wednesday with a mark of 8.03 meters.
Women's 800m: Round 1
Alysia Johnson Montano recorded the top mark in Round 1 of the women's 800 meters on Wednesday with a time of 2:00.47.
Others who advanced included: Caster Semenya, Halima Hachlaf, Rose Mary Almanza, Mariya Savinova, Alice Schmidt, Tintu Luka, Malika Akkaoui, Francine Niyonsaba, Jessica Smith, Genzeb Shumi, Pamela Jelimo, Lynsey Sharp, Eleni Filandra, Geena Gall, Natalia Lupu, Elena Arzhakova, Cherono Koech, Janeth Jepkosgei Busienei, Ekaterina Poistogova, Rosibel Garcia, Elena Mireia Lavric, Margarita Matsko Mukasheva and Neisha Bernard-Thomas.
Men's Decathlon: Shot Put
Dmitriy Karpov of Kazakhstan won the shot put in the men's decathlon on Wednesday with a mark of 16.47 meters. Pascal Behrenbruch of Germany finished a distant second with a mark of 15.67 meters.
Men's Javelin Throw: Qualification
Czech Vitezslav Vesely had the top qualifying mark (88.34 meters) in the men's javelin throw on Wednesday.
Others who advanced to Saturday's final included Andreas Thorkildsen of Norway, Oleksandr Pyatnytsya of the Ukraine, Spiridon Lebesis of Greece, Stuart Farquhar of New Zealand, Roderick Genki Dean of Japan, Ari Mannio of Finland, Julius Yego of Kenya, Keshorn Walcott of Trinidad, Antti Ruuskanen of Finland and Tino Haber of Germany.
Men's 110m Hurdles: Semifinals
Jason Richardson of the United States led Heat 1 in the semifinals with a time of 13.13 seconds. Others who advanced in Heat 1 included Orlando Ortega of Cuba and Lawrence Clarke of Great Britain.
Aries Merritt of the United States had the best time of anyone on the day, leading Heat 2 with a mark of 12.94 seconds. Ryan Brathwaite of Barbados also advanced in Heat 2.
Dayron Robles of Cuba led Heat 3 with a time of 13.10 seconds. Others who advanced in Heat 3 included Hansle Parchment of Jamaica and Lehann Fourie of South Africa.
Women's 1500m: Semifinals
Asli Cakir Alptekin of Turkey led Heat 1 with a time of 4:05.11 on Wednesday. Others who advanced in the heat included: Ekaterina Kostetskaya of Russia, Morgan Uceny of the United States, Lisa Dobriskey of Great Britain and Shannon Rowbury of the United States.
Abeba Aregawi of Ethiopia led Heat 2 and all competitors with a time of 4:01.03. Others who advanced in the heat included: Gamze Bulut of Turkey, Tatyana Tomashova of Russia, Maryam Yusuf Jamal of Bahrain, Hellen Osando Obiri of Kenya, Natallia Kareiva of Belarus and Laura Weightman of Great Britain.
Men's 200m: Semifinals
Yohan Blake of Jamaica led Heat 1 with a time of 20.01 seconds on Wednesday in the semifinals. Wallace Spearmon of the United States also advanced in the heat.
In Heat 2, Usain Bolt led the field with a time of 20.18 seconds (surprise, surprise). Anaso Jobodwana of South Africa also advanced in the heat.
Churandy Martina of the Netherlands led Heat 3, posting a time of 20.17 seconds. Warren Weir of Jamaica also advanced.
It's going to be exciting to see Bolt and Blake go at it again in the final of the 200 meters on Thursday.
Women's 400m Hurdles: Final
In a brilliant display, Natalya Antyukh of Russia captured the gold medal in the women's 400 meter hurdles on Wednesday with a personal-best time of 52.70 seconds.
Lashinda Demus of the United States (52.77) set her season best while capturing the silver medal.
Czech Zuzana Hejnova (53.38) grabbed the bronze.
Women's 200m: Final
When all was said and done in the women's 200 meters, Allyson Felix of the United States came away with the gold medal, edging Jamaica's Shelly-Ann Fraser-Pryce with a time of 21.88 seconds.
Fellow American star Carmelita Jeter captured the bronze medal in the event with a time of 22.14 seconds.
Fraser-Pryce set a personal best in the event, yet still lost to the lightning-fast Felix.
Men's 110m Hurdles: Final
Americans Aries Merritt and Jason Richardson lived up to the hype on Wednesday, capturing gold and silver respectively in the men's 110 meter hurdles. Merritt set a personal-best time of 12.92 seconds in the event.
Hansle Parchment of Jamaica grabbed the bronze, setting a national record of 13.12 seconds in the process.
Women's Long Jump: Final
To say the United States dominated in track & field on Wednesday would be an understatement.
Brittney Reese finished things off with a gold medal in the women's long jump (7.12 meters), while American Janay DeLoach followed Russia's Elena Sokolova to capture the bronze.
An unbelievable all-around effort from the Americans on Day 12 of the 2012 London Olympics.
Men's Decathlon: 400m
Ashton Eaton closed things off in style on Wednesday, winning the 400 meters in the men's decathlon with a time of 46.90 seconds.
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