Doha hosts the IAAF World Indoor Championships

Records fell and favorites prevailed as Doha, Qatar hosted the IAAF World Indoor Championships in athletics this past weekend. American Bernard Lagat became the oldest man in history -- at 35, and without a cane or walker! -- to win gold in a world indoor championship when he bested a younger field to take the 3000m race. And on the women's side, Ethiopian Kalkidan Gezahegne became the youngest woman in history -- at 18, without training wheels! -- to win a gold as she dropped the older generation en route to victory in the 1500m race. Sterling performances were also turned in by Britain's Jessica Ennis in the Pentathlon, Croatia's Blanka Vlasic in the high jump, and Cuba's Dayron Robles in the 60m hurdles. ( 22 photos total)

Runners compete in the 1500m final of the 2010 IAAF World Indoor Championships in athletics at the Aspire Dome in the Qatari capital Doha March 14. (KARIM JAAFAR/AFP/Getty Images)

An acrobat performs during the opening ceremony March 12. (MARWAN NAAMANI/AFP/Getty Images) #

China's Liu Xiang appeals for quiet from his fans so he can hear the starter's pistol before a 60m hurdles heat March 12. (AP Photo/Matt Dunham) #

Dejen Gebremeskel (center) of Ethiopia competes in the 3000m final March 14. (Dean Mouhtaropoulos/Getty Images) #

Britain's Harry Aikines-Aryeetey falls to the ground with a thigh injury in a 60m semi-final March 13. (AP Photo/Kamran Jebreili) #

American Lolo Jones (left) competes in the 60m hurdles final March 13. (VALERY HACHE/AFP/Getty Images) #

Trinidad and Tobago's Cleopatra Borel-Brown competes in the shot put qualifying round March 13. (VALERY HACHE/AFP/Getty Images) #

Emotions flow for (left to right) American hurdler Lolo Jones, Russian pole vaulter Yelena Isinbayeva, and Croatian high jumper Blanka Vlasic. (Ian Walton/Getty Images) (AP Photo/Matt Dunham) (MARWAN NAAMANI/AFP/Getty Images) #

Yasser Ibrahim Farag of Egypt competes during the shot put event March 12. (REUTERS/Dominic Ebenbichler) #

Teddy Tamgho of France kisses the gold medal he won after setting a new world record in the triple jump final March 14. (MARWAN NAAMANI/AFP/Getty Images) #

Sudan's Abubaker Kaki celebrates after winning the 800m final March 14. (KARIM JAAFAR/AFP/Getty Images) #

Australia's Steven Hooker celebrates after winning the gold medal in the final of the pole vault March 13. (AP Photo/Matt Dunham) #

Anna Pyatykh of Russia competes in the triple jump final March 13. (REUTERS/Fadi Al-Assaad) #

American Bryan Clay competes during the heptathlon event March 12. (REUTERS/Dominic Ebenbichler) #

Athanasía Perra of Greece competes in the triple jump qualifiying March 12. (AP Photo/Matt Dunham) #

American Bryan Clay competes during the heptathlon event March 12. (VALERY HACHE/AFP/Getty Images) #

Fabiana Murer of Brazil reacts during the pole vault March 14. (REUTERS/Dominic Ebenbichler) #

United States' bronze medalist Chaunte Howard Lowe makes an attempt in the final of the high jump March 13. (AP Photo/Kamran Jebreili) #

Anna Pyatykh of Russia competes in the triple jump qualifying event March 12. (REUTERS/Fadi Al-Assaad) #

Lithuania's Airine Palsyte competes in the high jump qualifying round March 12. (VALERY HACHE/AFP/Getty Images) #

New World Champion Dwain Chambers of Britain (right) crashes a cushioned wall after winning the 60m final March 13. (MARWAN NAAMANI/AFP/Getty Images) #

Ethiopia's Deresse Mekonnen celebrates with compatriot Mekonnen Gebremedhin in front of photographers after winning the 1500m final March 13. (REUTERS/Fadi Al-Assaad) #

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Doha hosts the IAAF World Indoor Championships