Marymount University

Career Honors 

• First Team All-Atlantic East 
  • 100-yard backstroke (2024)
  • 200 medley relay (2023) 
  • 400 medley relay (2023, 2024) 
• All-Atlantic East Second Team 
  • 100-yard backstroke (2021, 2022, 2023) 
  • 200-yard backstroke (2022, 2021) 
  • 200 freestyle relay (2021, 2024)
  • 400-yard freestyle relay (2024) 
  • 200 medley relay (2021) 
  • 400 medley relay (2021) 
• 3x Atlantic East All-Academic Team (2021, 2022, 2024) 

Junior (2022-23): Swam in 11 meets for the Saints recording 8 first-place finishes, 4 second-place finishes, 1 third-place finish, and 19 total top-five finishes. 

Top Finishes: 

• 50-yard backstroke: 30.20 (Goucher vs Marymount 11/19/22) 
• 50-yard butterfly: 30.17 (Marymount vs Mary Washington 1/20/23) 
• 100-yard backstroke: 1:02.84 (2023 Atlantic East Conference Championships 2/10/23-2/12/23) 
• 100-meter backstroke: 1:15.16 (Salisbury vs Marymount 10/15/22)
• 100-yard butterfly: 1:05.19 (2023 Atlantic East Conference Championships 2/10/23-2/12/23) 
• 200-yard freestyle: 2:17.24 (Marymount vs Marywood vs Cedar Crest 11/5/22)
• 200-yard backstroke: 2:17.31 (2023 Atlantic East Conference Championships 2/10/23-2/12/23) 
• 200-meter backstroke: 2:48.52 (Salisbury vs Marymount 10/15/22)

Top Finishes: 

• 50-yard freestyle: 25.89 (2022 Atlantic East Conference Championships 2/11/22-2/13/22) 
• 50-yard backstroke: 30.30 (Gallaudet vs Marymount 1/15/22)
• 50-yard butterfly: 29.18 (Gallaudet vs Marymount 1/15/22) 
• 100-yard backstroke: 1:01.79 (2022 Atlantic East Conference Championships 2/11/22-2/13/22) 
• 200-yard backstroke: 2:17.24 (2022 Atlantic East Conference Championships 2/11/22-2/13/22) 

Freshman (2020-21): Swam in 3 meets for the Saints with 3 second-place finishes and 3 third-place finishes for 6 top-five total finishes.  

Top Finishes: 

• 50-yard freestyle: 26.16s -- at Atlantic East Championships (Apr. 23-24, 2021)
• 100-yard backstroke: 1:02.10 -- at Atlantic East Championships (Apr. 23-24, 2021) 
• 200-yard backstroke: 2:16.86 -- at Atlantic East Championships (Apr. 23-24, 2021) 

CAREER BESTS 

• 50-yard freestyle: 25.89 (2022 Atlantic East Conference Championships 2/11/22-2/13/22)
• 50-yard backstroke: 30.20 (Goucher vs Marymount 11/19/22) 
• 50-yard butterfly: 29.18 (Gallaudet vs Marymount 1/15/22) 
• 100-yard backstroke: 1:01.79 (2022 Atlantic East Conference Championships 2/11/22-2/13/22)
• 100-meter backstroke: 1:15.16 (Salisbury vs Marymount 10/15/22) 
• 100-yard butterfly: 1:05.19 (2023 Atlantic East Conference Championships 2/10/23-2/12/23) 
• 200-yard freestyle: 2:17.24 (Marymount vs Marywood vs Cedar Crest 11/5/22)
• 200-yard backstroke: 2:16.86 (2021 Atlantic East Championships 4/23/21-4/24/21) 
• 200-meter backstroke: 2:48.52 (Salisbury vs Marymount 10/15/22)

Before Marymount: Attended Winter Park High School and swam for Blue Dolfin at the club level. She won championships on district, metro, and conference stages. Her individual honors include Coach's choice (freshman year) and most improved (freshman year)

Personal: Arianna is an Early Childhood Education Major and the daughter of Maria and William Koerner. She has one sibling, Nathaniel