COLLEGIATE BESTS:
| Event | Time | Date | Site/Opponent |
| 500 Free | 4:55.68 | 2/24/21 | Big Ten Championships |
| 1000 Free | 10:07.20 | 2/19/22 | Big Ten Championships |
| 1650 Free | 16:47.73 | 2/19/22 | Big Ten Championships |
| 400 IM | 4:22.81 | 2/17/23 | Big Ten Championships |
Career Accolades:
- Academic All-B1G (2021, 2022, 2023).
2022-23 (Senior):
- B1G Championships (2/15-18): Scored for Penn State, placing 19th in the 1650 Free (16:48.29).
- v. Villanova (1/27): Finished 3rd in the 500 Free (5:08.43).
- v. Virginia Tech (1/21): Touched 4th in the 1000 Free (10:13.48).
- v. Army (1/13): Won the 1650 Free (16:59.07).
- NC State Invitational (11/17-19): Finished 9th in the 1950 Free (16:56.44). Finalist in the 400 IM (4:25.75), placing 21st.
- v. West Virginia (11/4): Touched 4th in the 1000 Free (10:26.61) and 7th in the 500 Free (5:06.55).
- v. Navy/Boston College (10/8): Placed 4th in the 1000 Free (10:31.76) and 5th in the 500 Free (5:08.36).
2021-22 (Junior):
- B1G Championships (2/16-19): Swam to 23rd place in the 1650 with a time (16:47.73) seven and a half seconds faster than her previous mark set at the 2021 B1G Championships.
- v. Bloomsburg (11/6): Led the team to victory with a pair of individual wins in the 1000 (10:11.51) and 500 Free (5:00.22).
- v. Liberty/ECU (10/29-30): Won the 400 IM (4:27.73) and finished second in the 500 Free (5:02.42).
2020-21 (Sophomore):
- Big Ten Championships (2/23-27): Swam for personal bests in both the 1650 free (16:55.38) and 500 free (4:55.68).
- v. Michigan State (2/5-6): Placed second in the 500 free (5:04.76).
2019-20 (Freshman):
- v. West Virginia (10/11-12): Swam for third in the 500 free (5:10.10) and fourth in the 1000 (10:37.93).
- v. Princeton Invitational (12/6-8): Swam season bests in the 500 free (5:04.12), 1000 free (10:29.17), 1650 free (17:20.02), 200 fly (2:08.27) and 400 IM (4:32.77).
High School:
- Four-year letterwinner swimming at West Chester Henderson High School for head coach Jeff Bott.
- Four-time state qualifier and state finalist.
- Selected as DLN Winter All-Area Second Team and helped lead team to a conference championship senior year.
- Holds school record in 100 butterfly (57.92) and 200 IM (2:06.41).
- Named team captain and Outstanding Swimmer as a senior.
- Swam for Suburban Swim Club and Golden Ram Aquatics.
- NCSA Junior National qualifier.
- Played volleyball as a freshman and softball as a senior.
- Member of Latin Honors Society and National Honors Society.
Personal:
- Full name is Courtney Elisabeth Marlin.
- Parents are Lisa and Robert Marlin, who both swam for Penn State.
- Has an older sister, Erika, and a younger sister, Krista. Erika is also on the team.
- Several extended family members previously attended Penn State.
- Enjoys painting, fishing, and baking in her spare time.
- Intends to major in veterinary and biomedical sciences.
- Aspires to become a veterinarian.