2019-20 (Senior)
• Competed in four events in a shortened season due to the Coronavirus pandemic.
• Totaled 862 strokes in 12 rounds for a 71.8 average (second on the team), battling injuries throughout the year.
• Had seven rounds of par or better.
• Shot a 66 twice (4-under, both in the Maui Jim Intercollegiate), which ties for the team-low this season.
• Highest finish was tying for fourth at the Pioneer Creek Collegiate (69-70-71=210), shooting 6-under.
• Shot 7-under (71-66-66=203) at the Maui Jim Intercollegiate to tie for 12th.
• Notched a top-20 finish with a tie for 19th at the William H. Tucker Intercollegiate, shooting 2-over (74-72-72=218).
2018-19 (Junior)
• Competed in 11 of 12 events for the Utes.
• Totaled 2,515 strokes in 34 rounds for a 74.0 average (fourth on the team).
• Carded seven rounds of par or better.
• Best score of the season 2-under par (68-78-68=214) at the Showdown in the Rockies, finishing tied for ninth.
• Set a course record at Bandon Dunes with a second round of 64, tied for the third-lowest round in school history, and 8-under par is tied for the lowest round under par in school history; finished tied for ninth at the Bandon Dunes Championship (77-64-77-218; +2).
• Finished 2-over par (72-72-71=215) to finish tied for 44th at the Redhawk Invitational.
• Finished as the top Ute at the Marquette Invitational at Erin Hills, placing in a tie for 25th overall (73-76-72=221; +5).
• Placed tied for 63rd (74-77-77-80=308; +24) at the Pac-12 Championships.
• 2018 Wyoming State Golf Association Men’s Player of the Year.
• GCAA Golf All-America Scholar.
• Pac-12 All-Academic Honorable Mention.
2017-18 (Sophomore)
• Competed in all 11 events.
• Totaled 2,485 strokes in 34 total rounds for a 73.1 strokes-per-round average.
• Carded 14 rounds of par-or-better, which included posting a season-best 5-under par (67) at the John Burns Intercollegiate (02/16/18, 2nd Round).
• Registered a season-best tie for 14th place at the John Burns Intercollegiate, carding a three-round score of 3-under par (71-67-75=213).
• Tallied a four-round score of 8-over par (72-71-76-73=292) and finished in a tie for 58th place at the Pac-12 Championships.
• Pac-12 All-Academic Honorable Mention.
2016-17 (Freshman)
• Competed in all 13 events.
• Registered 2,787 strokes in 38 total rounds for a 73.3 strokes-per-round average.
• Carded 14 rounds of par-or-better, which included posting a season-best 3-under par (68) at both Itani Quality Homes Collegiate (09/13/16, 3rd Round) and PING Cougar Classic (04/10/17, 1st Round).
• Totaled a pair of top-10 individual performances, including career bests with ties for 10th-place at both the Duck Invitational (+1, 214) and PING Cougar Classic (-4, 212).
• Carded tournament-low of 4-under par (212) at the PING Cougar Classic.
• Registered his first career hole-in-one, acing the par-3, 195-yard No. 17 hole, during first-round action at the Hawkeye Invitational (04/15/17).
• Finished in 61st place at the Pac-12 Championships, carding a three-round score of 18-over par (75-77-76=228).
High School
• Three-time Wyoming State Champion (freshman, junior and senior).
• Tied for second at 3A Championship as a sophomore.
• Won championship as a junior by 23 strokes and senior championship by 16 strokes.
• Member of two consecutive state championship teams as a junior and senior.
• Member of Wyoming four-man team that took second-place at Junior America's Cup.
Personal
• Son of Shane and Michele Costello.
• Has two siblings: Tayln and Braxton.
• Major is business.