named the Pac-10 Cross Country Athlete of the Year after leading Stanford to the NCAA Championship by finishing 2nd to Colorado's Dathan Ritzenhein. His 2004 track season was cut short due to injury but he did record a best of 13:45 in the 5000, which began Hall's change in distance from the 1500. He came back from injury to finish 26th at the NCAA Championships in 2004 to once again earn All-American status. The breakout that everybody expected from Hall since high school took place in the 2005 track season. He earned his first-ever individual NCAA Championship by winning the 5000 meters in 13:22.32, finishing less than a second ahead of his teammate Ian Dobson in a race where the two runners dominated. He graduated from Stanford with a BA in Sociology. Post-collegiate Professional (2005–2010) Hall has been sponsored by ASICS since 2005. His coach at the time was Terrence Mahon, a former runner at Villanova University. In 2006, he won his first national title in the 12K cross-country championships, winning by 27 seconds. On September 16, 2006, Hall won the Great Cow Harbor 10K in Northport, New York, setting a new course record of 28:22. Hall's road-running success continued when he broke the U.S. 20k record on October 8, 2006, running 57:54, 48 seconds faster than the previous record run by Abdi Abdirahman in 2005. On January 14, 2007, Hall won the Aramco Houston Half-Marathon in a time of 59:43. The performance eclipsed the previous North American record of 1:00:55, set by Mark Curp on September 15, 1985, in Philadelphia. On April 22, 2007, Hall placed 7th in the Flora London Marathon. His time of 2:08:24 was the fastest marathon debut by any American. On November 3, 2007, Hall won the 2008 U.S. Olympic Team Trials Marathon in a Trials-record 2:09:02 in New York City, New York. With this win, he, Dathan Ritzenhein, and Brian Sell qualified to run the marathon at the 2008 Olympic Games in Beijing, China. On April 13, 2008, Hall placed 5th in the Flora London Marathon. Hall, 25, competing in only his third marathon, finished in 2:06:17. Hall was featured on the cover of the September 2008 Runner's World magazine and talks about his "run for glory" in the marathon in the 2008 Summer Olympics in Beijing. On August 24, 2008, Hall was the second American to cross the finish line the 2008 Men's