Francine Niyonsaba of Burundi won the 800 in 1:56.72, a meet record and a world best this season.
Felix Sanchez continued his dominance in the 400m hurdles cruising home in another world best time of 47.80secs.
Fellow American Kerron Clement retained his men's 400m hurdles crown with a world best for the year of 47.91 seconds.
Lagat settled for silver behind El Guerrouj in Athens and was almost four seconds short of the Moroccan's world best, clocking 3:35.27 in Birmingham.
The 16-year-old Briton followed up Thursday's 100m win with a blistering 20.91 seconds - a world best over the distance this year - in the 200m.
The world record fell twice in qualifying for the women's three-kilometer pursuit with world champion Sarah Ulmer of New Zealand hitting back after seeing her world best mark beaten by Australia's Katie Mactier.
France's Amaury Leveaux set a new world record in the 50m freestyle with a mark of 20.48, while Italy's men's relay team set a new world best of 1:32.91 in the 4x50m medley.
China's Jiang Yonghua, who had set the previous world best of 34.00 seconds, took the silver medal in 34.11 while Natallia Tsylinskaya of Belarus, three times a time trial world champion, won bronze in 34.16.
We've got the best workers in the world, the best businesspeople in the world. (Applause.) We've got the best universities in the world, the best researchers in the world. (Applause.) We're a young nation.
In October 2010, six months after returning to golf with such poor form that he failed to win a single event in a season for the first time since turning professional, Woods lost his world best crown to Englishman Lee Westwood -- ending a record run of 281 consecutive weeks at the top (which started in June 2005).
So the word is going out all around the world: If you want to find the best workers in the world, if you want to find the best factories in the world, if you want to build the best cars or trucks or any other product in the world, you should invest in the United States of America.
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To those who consider the Model S the world's best car, I throw out this question: What's the world's best shoe?
As continental champions in 1963, 1965, 1978 and 1982 and with Ghanaian legends including three-times African footballer of the year Abedi Pele and former Eintracht Frankfurt and Leeds United star Anthony Yeboah both rated in their time among the world's best players, Milla knew Ghana had the qualities to match some of the world's best.
While in 2011, she was voted World's Best Female Chef as part of the World's 50 Best Restaurants Awards.
We've got the best workers in the world, the best entrepreneurs in the world.
We've got the best colleges, the best universities, the best researchers in the world, the best scientists in the world.
The game will be about driving the best cars in the world in the best locations in the world, using 3-D models of engines built by the development team.
Having gone through this very wrenching adjustment, we continue to have the best universities in the world, the best innovation and technologies in the world.
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The development tools are the best, MS is fostering the app world the best, WP7 will reach 500K apps faster than apple and android.
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And we had the best universities in the world, and the best colleges in the world, and we had the number one -- we ranked number one in the proportion of college graduates in the world.
Today we celebrate business leaders who compete not just to be the best in the world, but to be the best for the world.
The world's best, the world's hardest-working and the world's most ambitious are still coming our way.
So before Harvard makes claims about being the best in the world or the best in history, perhaps it should get an education and halfway live up to the claim.
We have the best workers in the world, we got the best universities in the world -- (applause) -- we've got the most dynamic economy in the world, but we can't be afraid of the future.
And those who watch the matches on television (whence arrives much of Wimbledon's income) share at an electronic arm's length the added drama of the best game in the world being played at the best place in the world to play it.
The Latin Americans and Europeans retort that the World Cup is meant to be a showcase for the best football in the world, and the best teams still come from football's traditional centres.
My parents before me thought I was living in the greatest country in the world in the best time in the world.
"In addition to its unique culture, Jamaica has some of the world's best coffee plantations, world-class reefs, and tropical beaches, " says BBC Travel.
It was 13 years ago that Kipketer first tied with and then twice bettered Briton Sebastian Coe's 1:41.73 world-best time, which was set in 1981.
Wait for You went on sale in late Feb. and hit the No. 1 spot on the Digital Book World Ebook Best-Seller list on March 10, a first for a self-published book.
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