Due to the fact that IAAF has stopped ratifying records for this distance, Smith's time as the last ratified record will be permanent. Gay's time is the World's Best. Butler, Mark (2010-05-16). "Manchester Street Race Analysis". www.trackandfieldnews.com. Archived from the original on 2012-02-27. Retrieved 2010-05-18.
Due to the fact that IAAF has stopped ratifying records for this distance, Smith's time as the last ratified record will be permanent. Gay's time is the World's Best. Butler, Mark (2010-05-16). "Manchester Street Race Analysis". www.trackandfieldnews.com. Archived from the original on 2012-02-27. Retrieved 2010-05-18.