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University of Denver Athletics

2025-26 Women's Swimming & Diving Roster

Sienna Nitke

  • Position Free
  • Height 5-6
  • Class Sophomore
  • Highschool Ashwaubenon H.S.
  • Hometown Green Bay, Wisconsin

Biography

2026 Summit League Championships:
Finished 19th in the 50 free (24.01), took 30th in the 200 free (1:59.89) and finished 25th in the 100 free (53.92).

2025-26 Regular Season Team Rankings:
Ranked 8th on the team in the 50 free (23.85), 10th in the 100 free (52.44), 7th in the 200 free (1:52.32) and 7th in the 100 fly (1:00.21).

2024-25 (FRESHMAN PURDUE):
Ninth on her team in the 50 free with a time of 23.91…Also recorded season-best times of 51.96 in the 100 free and 1:52.55 in the 200 free. 

BEFORE PURDUE:
Holds 49 Ashwaubenon High School records…2024 Northeast Wisconsin Swimmer of the Year… 2024 Ashwaubenon High School Athlete of the Year…Three-time high school swimming MVP…State champion in the 100 and 200 free as a senior…Represented Team Wisconsin in the age group zones and all-star meets from 2018-21…Placed second in the 50 free at semipro sectionals in 2023…Attended winter junior nationals in 2023.

PERSONAL:
Chose the University of Denver because of the environment created within the program to give her the opportunity to become a better swimmer, while also thriving academically…Also enjoys wakeboarding, downhill skiing and traveling.