Spring 2021 — Played 12 rounds in four tournaments, recording a 75.1 stroke average… carded a season-best 18-hole score of 71 twice (Kiawah Invitational; NCAA Regionals)… recorded a season-low 54-hole score of 222 three times (Kiawah Invitational; Hawkeye Invitational; NCAA Regionals)… tied for 33rd place at the Hawkeye Invitational… three rounds at or below par… letterwinner.
2016-19 (at Bradley) — Led Bradley with a 73.07 18-hole stroke average his junior season (2018-19), which was the third-best in Bradley history… owns the fourth-best 18-hole scoring average in Bradley history… fired an 18-hole career-best 68 at the 2019 Ryman Hospitality Intercollegiate to tie for third… finished a team-best eighth at the 2019 Missouri Valley Conference Championship as a junior… played in 46 career rounds at Bradley, averaging 74.3 strokes per round, with three top-10 finishes and six top-20 finishes.
2019 — Finished third in the 2019 Iowa Amateur Championship… tied for second in the 2019 Herman Sani Tournament after losing in a four-way playoff… qualified for the 2019 U.S. Open Sectionals… finished fifth in the 2019 Iowa Player of the Year standings.
High School — Won Class 2A sectional title and went on to finish sixth at the Iowa Class 2A state championship as a senior… named to the Des Moines Register All-Iowa First Team… claimed an individual conference title as a junior in addition to a district championship… finished fourth at the Class 2A state championship his junior year… ranked in the top four in Class 2A in stroke average each of his final two prep seasons.
Personal — Will graduate in May 2020 from Bradley with a degree in mechanical engineering… plans to pursue masters in sport and recreation management or masters of finance at Iowa… son of B.J. and Kenda Jahn and has younger sibling Ruthie.
| Year | Rds. | Strokes | Avg. | Low |
| 2020-21 | 12 | 901 | 75.08 | 71 |