The 25-year-old Sambu won Sunday's race in a world-leading time of 27:25.
The 2014 Boston Marathon champion will try to pass as many runners as he can during the 10K race on July 4.
Sambu clocks 22:01 en route to victory, setting an 8K world record.
Running across the remote interior of Iceland offers a stark blend of natural beauty and rugged terrain.
Americans can once again participate in Cuba's Havana Marathon in 2014.
More than 360 runners representing 26 countries will descend on California next week for the 41st edition of the Western States 100, a
The future University of Washington runner will compete at this weekend's Brooks PR Invitational.
The eight-time Olympic medalist will swing by his hometown this weekend as he prepares for the Ironman World Championships in the fall.
The longtime UCLA track & field coach has guided Keflezighi to wins at the 2009 New York City and 2013 Boston Marathons.
The Massachusetts native will continue to work with her coach from Dartmouth College, Mark Coogan.