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Case Western Reserve University Athletics
Case Western Reserve University Athletics

Scoreboard

2025-26 Men's Swimming and Diving Roster

Sebastian Illum

  • Height 6-2
  • Year First-Year
  • Hometown Dallas, Texas
  • High School St. Mark's of Texas
  • Position Free/Back
  • Major Undecided

Biography

Prior to CWRU


Was a four-year member of the St. Mark's School of Texas swimming team, serving as captain his senior year...Coached by Trenton Calder...Swam career-best times of 51.59 in the 100 Back, 47.43 in the 100 Free, 22.12 in the 50 Free, and 1:44.44 in the 200 Free...Helped team win Southwest Preparatory Conference (SPC) Championship three years in a row (2023, 24, 25)...Set school records in the 200 Free and 200 Medley Relays...Finished third in the 100 Free and first in the 200 Free Relay at 2025 SPC Championship...Named an All-SPC Athlete...Member of Sociedad Honoraria Hispánica...Received National Merit Commended and AP Scholar with Distinction honors...Earned National Spanish Exam Gold Medal three times (2022, 23, 24)...Swam for Dallas Mustangs, where he was coached by Mook Rhodenbaugh, Doug Moise, and Paul Robertson and received the Golden Mustang Award.

Personal


Born July 8...Son of Henrik and Annika Illum...Speaks four languages (English, Swedish, Spanish, French) and a dual citizen of the US and Sweden.