Marc Brian Louis

In 2019, Louis became the first Singaporean to win gold in the 400 m hurdles (55.09s) at the 2019 Asian Youth Athletics Championships held in Hong Kong.^[6] In the same tournament, he clocked 13.74s in the 110 m hurdles to set a new national U-18 record.^[7] Earlier in the year, Louis had won the 400 m hurdles and came in second in the 110m hurdles at the 2019 Southeast Asian Youth Athletics Championships.^[2]

In 2021, while competing at the World Athletics U-20 Championships in Nairobi, Louis set a new national U-20 record for the 110 m hurdles with a time of 13.77s; he finished 11th overall.^[1][8] In the same year, he broke the national U-20 record for the 100 m with a time of 10.39s – 0.02s off the men's record.^[9] Because of his performances, he was granted deferment from National Service.^[10] This paid off at the 2021 Southeast Asian Games, where he won a bronze in the 100m and was also part of the men's quartet that won a bronze in the 4x100m relay — Singapore's first relay medal at the competition in seven years.^[11]

At the 2023 Southeast Asian Games in Phnom Penh, Louis won another bronze in the 4 x 100 m relay and a silver in the 100 m, matching his personal best of 10.39s in the latter.^[12] At the 2022 Asian Games in Hangzhou, China, Louis finished 6th in his 100 m semi-final and 13th overall. However, he broke the 22-year national record set by UK Shyam in 2001 (10.37s) with a time of 10.27s.^[13] At the 2024 World Athletics Indoor Championships, he broke another national record, this time at the 60m (6.69s).^[14]

On 11 August 2025, Louis broke Reuben Rainer Lee's 200 m record of 21.07s with a time of 20.89s at the Sano Sprint Meet in Japan, becoming the first Singaporean to clock a sub-21 for the event.^[4] He lowered this time to 20.72s during the final of the 2025 Southeast Asian Games in Thailand.^[15] In the 100 m, he finished fourth (10.32s).^[15]

• 60 m – 6.68s (2026 World Athletics Indoor Championships)
• 100 m – 10.27s (+2.0 m/s, Hangzhou 2022)
• 200 m – 20.72s (Bangkok 2025)

• Sport in Singapore
• Sport Singapore
• List of Singapore World Champions in Sports