Shadrack Kipchirchir is a Kenyan-born American distance track and field Olympian specializing in the 10,000 m. Following in his brothers footsteps, Kipchirchir enlisted in the U.S. Army in October 2014 and joined the U.S. Army World Class Athlete Program after his enlistment.

The U.S. Army World Class Athlete Program (WCAP) is a military unit whose primary mission is to support nationally and internationally ranked soldiers in participating on the U.S. Olympic team. The program is headquartered at Fort Carson, Colorado.