The competition Competition was held Hold in hot running Motion conditions , reaching Arriving 88 degrees Fahrenheit ( 31° Celsius ) that afternoon , and some of the 27,000 registered Recording runners opted Choosing to take up Participation the organizers ' offer to defer their entry until the 2013 race .

The temperature in Dallas that day reached Arriving 104 degrees Fahrenheit , prompting Convincing many in the very crowded ground area to pass Motion_directional out and be lifted Motion overhead to the indoor areas of the stadium where water fountains were at .