Courtright attended the University of Oklahoma where he played halfback for the football team from 1911 to 1913 and also competed in baseball, basketball and track.
Courtright was a multi-sport athlete at the University of Oklahoma competing in football, baseball, basketball and track.
In November 1911, he helped Oklahoma break a nine-game losing streak to Kansas with a long run that set up a field goal for the game's only points in a 3–0 win.
[2] In November 1912, he scored all six of the Sooners' points on two field goals in the fourth quarter of a 6–5 win over Kansas.
"[3] And as a senior in 1913, he scored one of the Sooners' two touchdowns in a 14–3 win over Colorado in a game played in five inches of mud in front of a crowd of 5,000 at Oklahoma City.
[6] In April 1919, Courtright was hired by the University of Nevada, Reno as its director of athletics and head coach of the football, basketball, baseball and track teams.
Courtright's 1919 Nevada team outscored its opponents 450 to 32, including scores of 132–0 over Pacific, 102–0 over the Mare Island Marines, and 56–0 over UC Davis.
"[12] At the end of the 1919 season, the Reno Evening Gazette wrote:"It was a good move when the students and regents decided last spring to go east and get one of the best men to come to Nevada and build up a football team.
Coach Courtright fitted the requirements and the football season proves the wisdom of the selection ..."[9]In 1920, Courtright's team finished with a record of 7–3–1 with wins over both the Utah Utes (14–7) and Utah State Aggies (21–0), and losses to California (79–7), USC (38–7), and Santa Clara (27–21).
In four seasons as Nevada's basketball coach, Courtright compiled a record of 25 wins and 29 losses.
Courtright stated that he regretted leaving Nevada but could not turn down the offer made by the Colorado school.
In August 1944, Courtright reported that he had received notice from the University of Michigan that his coaching position was being terminated, effective November 1, 1944, for economic reasons.