SEA Games Triathlon 2025 Round-up: Team Singapore Shines Across Three Days of Multisport Action at the 2025 SEA Games in Rayong
- John Yeong
- 10 hours ago
- 4 min read
Multiple medals, breakthrough performances and resilient team efforts across aquathlon, triathlon and duathlon at the 2025 SEA Games in Rayong
Rayong, Thailand, 19 December 2025 - Team Singapore delivered a series of gritty, inspiring and medal-winning performances across three intense days of aquathlon, triathlon and duathlon competition at the 2025 SEA Games Thailand.
Battling blistering heat, tactical races and fierce regional competition in Rayong, Thailand, Singapore’s multisport athletes showcased resilience, teamwork and rising depth across various relay formats.
From podium finishes on Day 1 to emotional breakthroughs on the final day, the Triathlon Singapore contingent left a strong mark on the 33rd SEA Games.
Day 1: Aquathlon Relays Open the Campaign with Two Medals
Bronze for Women’s Aquathlon Team Relay
Team Singapore kicked off its SEA Games multisport campaign with a bronze medal in the Women’s Aquathlon Team Relay, as Herlene Natasha Yu Zhihui, Lim Wan Ting, and Louisa Marie Middleditch clocked 53:58.13 to finish third out of six teams.
Each athlete completed a 500m swim and 2.5km run, with Herlene Yu setting the tone on the opening leg to keep Singapore in podium contention. Middleditch fought back strongly after exiting the swim in fifth, while anchor Lim Wan Ting delivered a composed final leg, holding off Malaysia to secure bronze.
It marked Singapore’s first medal of the 11 multisport events at these SEA Games.
Silver for Men’s Aquathlon Team Relay
The momentum continued in the Men’s Aquathlon Team Relay, where Bryce Chong , Luke Chua, and Tey Yi Jun produced a thrilling performance to claim silver, finishing second out of six teams in 46:47.460.
After a tightly packed opening leg, Tey Yi Jun surged into the lead during the middle phase before Bryce Chong battled hard on the anchor leg. Despite Indonesia edging ahead in the closing stages, Singapore secured a well-earned silver, delivering the nation’s second multisport medal of Day 1.
Young Mixed Relay Squad Finishes Fifth
Singapore’s Aquathlon Mixed Relay team finished fifth, with an average age of just 19 years old. The team included 15-year-old Jemma Hadden, Singapore’s youngest-ever SEA Games triathlete. With three debutants racing under the midday sun, the young squad gained invaluable experience and showed promising potential heading towards the 2029 SEA Games in Singapore.
Day 2: Triathlon Relays Deliver Double Podium Finishes
Bronze in Women’s Triathlon Relay
Day 2 brought another medal as Herlene Yu, Kathlyn Yeo Yen Ling, and Lim Wan Ting secured bronze in the Women’s Triathlon Relay, finishing third out of five teams in 1:12:00.27.
The trio executed a smart, controlled race across the 300m swim, 8km bike and 2km run legs:
Lim Wan Ting – 24:14.14
Kathlyn Yeo – 23:56.90
Herlene Yu – 23:49.24
Kathlyn Yeo’s strong bike leg helped widen the gap to Malaysia, allowing Herlene Yu to anchor the team home comfortably. The Philippines took gold, with Indonesia finishing second.
Silver for Men’s Triathlon Relay After Dramatic Finish
In one of the most dramatic races of the Games, Bryce Chong, Luke Chua, and Tey Yi Jun claimed silver in the Men’s Triathlon Relay, clocking 1:04:15.19.
Split times:
Luke Chua – 21:06.70
Tey Yi Jun – 21:18.97
Bryce Chong – 21:49.53
Singapore led the race heading into the final leg, but a controversial 10-second penalty proved costly, allowing the Philippines to snatch gold. Despite narrowly missing the top step, the team showed exceptional composure and fighting spirit in a high-pressure race.
Fourth Place in Triathlon Mixed Relay
Singapore concluded Day 2 with a fourth-place finish in the Triathlon Mixed Relay, with Janel, Bryce, Kathlyn, and Samir racing through extreme midday heat to cap another demanding day of competition.
Day 3: Duathlon Relays Close with Emotion and Inspiration
Silver for Women’s Duathlon Relay
The final day delivered one of the most emotional moments of the Games as Rachel Hew Jia Yi, Louisa Marie Middleditch, and Ng Xuan Jie captured silver in the Women’s Duathlon Team Relay, finishing second out of six teams in 1:15:42.40.
Behind the result were powerful personal stories:
Rachel Hew took a gap year from medical school to pursue elite sport
Louisa Middleditch competed despite a recent diagnosis of RED-S
Ng Xuan Jie overcame anorexia to win her first SEA Games medal
Their performance symbolised resilience, belief and the human side of high-performance sport.
Men’s Duathlon Relay Shows Grit Despite Podium Miss
Singapore’s Men’s Duathlon Relay team of Arif Ibrahim, Nicholas Rachmadi, and Ben Khoo finished sixth, falling short of podium expectations. Despite the result, the trio demonstrated unity and determination after months of preparation and vowed to return stronger.
Bronze to End the Campaign in Mixed Duathlon Relay
Team Singapore ended its SEA Games multisport campaign on a high note with a bronze medal in the Duathlon Mixed Relay, featuring Rachel Hew, Arif Ibrahim, Louisa Middleditch, and Nicholas Rachmadi — the final relay event of the Games.
A Strong Statement for Singapore Multisport
Across aquathlon, triathlon and duathlon, Team Singapore collected multiple medals, nurtured young talent, and showcased mental toughness in challenging conditions at the SEA Games in Rayong. With a blend of experienced leaders and emerging athletes, the performances across these three days signal a bright future for Singapore multisport, building momentum toward the next SEA Games cycle. #Triathlon #SEAGames2025