UND Roster

2020-21 Track and Field Roster

Luis Cossio


Class Junior
Hometown Barrington, IL
High School Barrington



  • Finished eighth in the 400m dash at the Louisville Invitational with a time of 51.39 seconds. 
  • Placed second in the 400-meter dash (50.74) at the Hoosier Hills meet.
  • Copped a PR in the 400-meter dash with a time of 49.73 at the Meyo Invitational.
  • Established a PR in the 200-meter dash (23.64) at the Indiana University Relays.
  • Earned a runner-up finish with the 4×400-meter relay (3:18.76) at the Blue and Gold Invitational.


  • 2017 IHSA State Champion in the 400m dash.
  • Qualified for the USATF Nationals.
  • Regional runner-up.
  • Set the school record in the 400m dash as a sophomore.
  • Holds the Illinois state record in the 4x200m relay, set during his senior season.
  • All-State in the 4x200m and 4x100m relays as a senior.
  • Attended Barrington High School.
  • Native of Barrington, Illinois.
  • Son of Luis Cossio III and Helen Mastoris.
  • Has two sisters, Anna and Gabby.
  • Mother, Helen, ran track and cross country at Illinois.
  • Intends to major in business.
  • Enrolled in First Year of Studies.