CAREER BESTS
| Event | Time | Date | Site/Opponent |
| 100 Back | 54.31 | 2/26/21 | Big Ten Championships |
| 100 Fly | 53.99 | 2/25/21 | Big Ten Championships |
| 200 IM | 1:59.39 | 2/24/21 | Big Ten Championships |
Career Accolades:
- Scored in the 200 IM at the Big Ten Championships in 2020 and 2021, and 100 fly and 100 back in 2021.
- Ranked 8th for Penn State all-time in the 200 IM.
2021-22 (Junior):
- Villanova (1/28): Helped Penn State sweep the 100 Back by touching in third (57.38).
2020-21 (Sophomore):
- Big Ten Championships (2/23-27): Finished 14th in the 200 IM (2:00.54), 16th in the 100 back (54.09) and 18th in the 100 fly (53.99). Achieved a personal best in all three races. Entered Penn State top 10 in 100 back and 200 IM. Swam fly in fourth-place 200 medley relay team (23.90).
- Ohio State/Rutgers (1/16): Won the 200 IM (2:01.87), placed third in the 100 fly (55.59) and fifth in the 100 back (55.71).
- Michigan State (2/5-6): Placed first in the 100 fly (56.00) and 200 IM (2:02.54), and placed second in the 100 back (55.66).
2019-20 (Freshman):
- Big Ten Championships (2/19-22): Swam in the 200 IM finals (2:00.54) after swimming for a personal best in prelims (1:59.89). Also swam personal bests in the 100 back (54.97) and 100 fly (55.09).
- Liberty/St. Bonaventure (10/4): Touched third in the 100 IM (58.77) and 200 IM (2:06.78).
- West Virginia (10/11-12): Placed second in the 100 back (56.08).
- Ohio State/Virginia Tech (11/1-2): Swam for third in the 200 IM (2:05.00).
- Princeton Invitational (12/6-8): Touched first in the 200 IM (2:01.18) and placed 10th in both the 100 back (55.53) and 200 back (2:01.41).
- Buffalo (1/10-11): Finished second in the 100 back (56.23) and third in the 100 breast (1:06.30).
High School:
- Swam for TOP Swim Club in Tallinn, Estonia under Coach Heidi Kaasik.
- 56-time Estonian national champion and 66-time national age group champion.
- Won eighth-place at the 2016 European long course championship.
- Three-time silver medalist in the Nordic Junior Swimming Championships from 2015-2016 in the 200 IM and 100 fly.
- Broke 10 national records, three of which were individual in the 200 IM and 100 backstroke.
- Won Estonian junior of the year in 2015 and 2017.
- Attended Rocca al Mare High School in Tallinn, Estonia.
- Received 5/5 for all grades on high school transcript.
Personal:
- Full name is Margaret Markvardt.
- Daughter of Tiina Karjahärm and Ago Markvardt.
- Has younger sister, Keira Olivia Markvardt.
- Father, Ago, competed in three Winter Olympic Games in the Nordic combined event and placed fifth individually at Lillehammer.
- Intends to major in biomedical engineering.
- Aspires to be a lawyer.