Nicholas Arciniaga is an American long-distance runner who competed at the 2011 World Championships in Athletics and finished 7th at the 2014 Boston Marathon.

Arciniaga attended Fountain Valley High School, where he ran cross country and track under coach Barry Migliorini.

[5] After college, Arciniaga moved to distance-running hub Flagstaff, Arizona, where he began a training program with coach Greg McMillian.

[6] During the summer that same year, Arciniaga competed in the men's marathon at the world championships where he finished 41st.

[7] In 2012, Arciniaga placed 8th representing McMillan Elite adidas in 2:11:56 at 2012 Olympic Marathon Trials in Houston, Texas on January 14, 2012.