Rudisha croses the finish line in a record time of 1:41:01 in Rieti, Italy. Photo/COURTESY/iaaf.org

David Rudisha leads during the meet at Riati, Italy on Sunday. Photo/COURTESY/iaaf.org

Kenya's David Rudisha with his world record clock at Riati, Italy on Sunday. Photo/COURTESY/iaaf.org

Kenyan David Rudisha competes in the 800m men's event during the Memorial Ivo Van Damme, IAAF Diamond League athletics meeting, on August 27, 2010 at the King Baudouin stadium in Brussels. Rudisha won the event. AFP PHOTO/GEORGES GOBET

Kenya's David Rudisha celebrates after winning the men's 800m competition at the Memorial Ivo Van Damme - Diamond League athletics meeting on August 27, 2010 in Brussels. AFP PHOTO/BELGA

Kenya's David Lekuta Rudisha poses for photographers after winning the men's 800m competition during the ISTAF (Internationales Stadionfest) IAAF World Challenge on August 22, 2010 in Berlin. He set a new world record. AFP PHOTO/JOHANNES EISELE

Kenya's David Lekuta Rudisha competes to win the men's 800m competition during the ISTAF (Internationales Stadionfest) IAAF World Challenge on August 22, 2010 in Berlin. AFP PHOTO/ODD ANDERSEN

Kenya's David Lekuta Rudisha celebrates after winning the men's 800m competition during the ISTAF (Internationales Stadionfest) IAAF World Challenge on August 22, 2010 in Berlin. AFP PHOTO/ODD ANDERSEN

Kenya's David Lekuta Rudisha celebrates after winning the men's 800m competition during the ISTAF (Internationales Stadionfest) IAAF World Challenge on August 22, 2010 in Berlin. He set a new world record. FP PHOTO/JOHANNES EISELE

Kenya's David Lekuta Rudisha celebrates after winning the men's 800m competition during the ISTAF (Internationales Stadionfest) IAAF World Challenge on August 22, 2010 in Berlin. AFP PHOTO/JOHANNES EISELE