The 30-year-old hopes to turn a new page on his career.
The old event record dated back to 1988.
A field of 15,000 finishers is expected this weekend.
The 32nd-place finisher at the Olympic Marathon Trials bounces back in a big way.
Nick Arciniaga and Jason Hartmann are hoping to bounce back from disappointing Olympic Trials races.
The invited athletes met with the press on Friday.
Brett Gotcher and Nick Arciniaga lead the way on the men's side.
Olympic medalists Bernard Lagat and Shalane Flanagan headline the U.S. contingent in Korea.
He edged out Aaron Braun at the finish.
Runnerspace.com is streaming the event live this Saturday.