Welson Sim Wee Sheng (born 29 March 1997) is a Malaysian professional swimmer. He was the first Malaysian male swimmer to qualify for the men's 400 metre freestyle event at the 2016 Summer Olympics.[3][4]
| Personal information | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| Full name | Welson Sim Wee Sheng[1] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Nationality | Malaysian | |||||||||||||||||||||||||||||||||||||||||||||||||
| Born | (1997-03-29) 29 March 1997 (age 25) Kuching, Sarawak, Malaysia[2] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Height | 1.81 m (5 ft 11 in)[2] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Weight | 70 kg (154 lb)[2] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Sport | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Sport | Swimming | |||||||||||||||||||||||||||||||||||||||||||||||||
Medal record
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| Welson Sim | |||||||
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| Traditional Chinese | 沈威勝 | ||||||
| Simplified Chinese | 沈威胜 | ||||||
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Sim was born in Kuching, Sarawak to Lee Ngiat Kim and Sim Ah Tee.[2][5] He started joining swimming classes at the age of 10 to overcome childhood asthma, and competed in Sarawak's President Cup a year later.[4][6] By the time he turned 12, he was in the Sarawak state swimming team.[7] Sim attended Batu Lintang National Secondary School, before transferring to Bukit Jalil Sports School during the mid-semester in Form Three.[8]
In March 2021, Sim involved in a motorcycle accident, resulting in a broken arm and had two pins inserted into his left arm.[9]