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University of Illinois Athletics

2025-26 Swimming & Diving Roster

Isabella Wilhelm

  • Class Sophomore
  • Major Marketing
  • Hometown Deerfield, Ill.
  • High School Deerfield
  • Instagram isabellawilhelm__

Biography

Badge Illinois 2 Illinois Record - 200 Freestyle Relay, 200 Medley Relay

2024-25

  • Set a new personal best in the 100 free (51.24) against Purdue
  • Earned a new personal best in the 100 back (55.48) at the Hawkeye Invite
  • Recorded a personal best in the 50 back (25.94) at the CSCAA Championships, ranking ninth-fastest in program history
  • Broke the program records in the 200 freestyle relay (1:30.91) and 200 medley relay (1:37.96) at the Big Ten Championships
  • Contributed to the fourth-fastest 200 freestyle relay (1:31.35) and the third-fastest 200 medley relay (1:38.84) in program history at the Hawkeye Invitational
  • Helped secure the sixth-fastest 400 freestyle relay (3:21.82) in program history at the CSCAA Championships
  • Part of the seventh-fastest 200 medley relay (1:40.25) in program history against Southern Illinois and Illinois State, and the ninth-fastest (1:40.58) at Purdue

High School

  • Two-time IHSA Swimming All-State
  • 2022 Team MVP
  • Bronze medal in 200 medley relay at 2022 IHSA State Championships

Personal

Born October 17, 2005... Daughter of Mike and Annika Wilhelm... Her dad, Mike, played basketball at Stony Brook, mother, Annika, swam on the Swedish National Team and Wright State University... One brother, Max who runs track and field at Butler... Chose Illinois because "I chose Illinois because of the great combination of athletics and academics. Everyone was so welcoming; I loved the energy of the coaches and the rest of the team. After my visit, I knew that this was exactly what I wanted to be a part of!"

Historical Player Information

  • 2024-25Freshman

    Free
  • 2025-26Sophomore

    Free