Letitia Sim

Letitia Sim
Personal information
Full nameLetitia Sim En Yi
Born (2003-03-03) 3 March 2003
Singapore
Sport
SportSwimming
StrokesBreaststroke, Butterfly, Individual Medley
College teamUniversity of Michigan
Medal record
Women's swimming
Representing  Singapore
Event 1st 2nd 3rd
Southeast Asian Games 12 2 1
Total 12 2 1
Southeast Asian Games
Gold medal – first place2025 Thailand50 m breaststroke
Gold medal – first place2025 Thailand100 m breaststroke
Gold medal – first place2025 Thailand200 m breaststroke
Gold medal – first place2025 Thailand200 m medley
Gold medal – first place2025 Thailand4×100 m medley
Gold medal – first place2023 Cambodia100 m breaststroke
Gold medal – first place2023 Cambodia200 m breaststroke
Gold medal – first place2023 Cambodia200 m medley
Gold medal – first place2023 Cambodia4×100 m medley
Gold medal – first place2021 Vietnam50 m breaststroke
Gold medal – first place2021 Vietnam100 m breaststroke
Gold medal – first place2021 Vietnam4×100 m medley
Silver medal – second place2023 Cambodia50 m breaststroke
Silver medal – second place2021 Vietnam200 m medley
Bronze medal – third place2021 Vietnam200 m breaststroke

Letitia Sim En Yi (born 3 March 2003) is a Singaporean former swimmer who specialises in breaststroke, butterfly, and individual medley events. She is also the national record holder in the women's 50m, 100m, 200m breaststroke, and the 200m Individual Medley.

Swimming career

She participated at the 2022 Asian Games where she registered two fourth-place finishes in the 100m and 200m breaststroke events and also set a new national record in the 50m breaststroke where she finished seventh. She also participated in the 2022 Commonwealth Games.

At the 2023 World Aquatics Swimming World Cup in Berlin, Letitia won bronze at the 200m breaststroke event with a timing of 02:24.15, setting a national record.

In 2023, at the Japan Open, Sim clocked a time of 1:06.36 at the women's 100m breaststroke event. She clinched silver behind Japan's Reona Aoki. This timing meant that she broke the national record she previously set, and also meeting the 2024 Summer Olympics "A" cut.[1] She also won silver a few days later at the 200m individual medley.

On her Olympics debut at the 2024 Olympics, she participated in the 100m and 200m breaststroke and 4x100m medley relay events.[2] She finished 25th and 22nd respectively for her individual events.

At the 2025 SEA Games, Letitia became the first swimmer to complete the SEA Games hat-trick in her stroke.[3]

On May 22, 2026, Sim had announced her retirement from competitive swimming.[4]

Personal life

Letitia has a younger sister, Levenia Sim who is also a national swimmer of Singapore as well. Both of them competed at the 4x100m medley relay together.[5]

References

  1. ↑ "Singapore swimmer Letitia Sim sets new national record, meets Olympic qualification mark". Channel News Asia. 30 November 2023. Retrieved 15 December 2025.
  2. ↑ Kwek, Kimberly (28 July 2024). "Nervy Olympic debut for Singapore's breaststroke swimmer Letitia Sim". The Straits Times. Retrieved 15 December 2025.
  3. ↑ Lee, David (15 December 2025). "SEA Games 2025: Singapore's Letitia Sim is first to seal hat-trick of breaststroke titles". Asia One. Retrieved 15 December 2025.
  4. ↑ Kwek, Kimberly (22 May 2026). "Singapore's top swimmer Letitia Sim announces shock retirement". The Straits Times. ISSN 0585-3923. Retrieved 22 May 2026.
  5. ↑ Lee, David (6 September 2023). "Swim siblings Letitia and Levenia Sim game for Asian Games adventure". The Straits Times. Retrieved 15 December 2025.
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