Liew Wei En Evan PBs at Pesta Sukan 2026 | SWIM2000 Stroke Correction
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SWIM2000 Stroke Correction Clinic · Case Study

How Stroke Correction Helped Liew Wei En (Evan) Achieve PBs at Pesta Sukan 2026

A SWIM2000 Stroke Correction Clinic case study on technique-first coaching, race execution, and measurable improvement.

25.16s

Total PB improvement across 4 events

11.11s

Faster in 50m Butterfly

4

PBs across all four strokes

3:28.54

New 200m IM benchmark

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Evan Liew at Pesta Sukan 2026 — OCBC Aquatic Centre

Evan Liew in Pesta Sukan 2026 athlete gear arriving at OCBC Aquatic Centre, Singapore
Evan Liew poolside at Lane 1 starter block, competition-ready at Pesta Sukan 2026
Evan Liew in the marshalling area before his race at Pesta Sukan 2026, OCBC Aquatic Centre

Left: Arriving at OCBC Aquatic Centre with athlete accreditation · Centre: Poolside at Lane 1, ready to race · Right: Marshalling area before an event

Why Evan's Pesta Sukan 2026 Results Matter

This is not a generic swimming achievement post. It is a measurable case study showing how targeted technique correction translated into concrete race outcomes at a competitive aquatics event.

Pesta Sukan is Singapore's annual multi-sport festival organised by Sport Singapore, featuring competitive swimming events across age groups. Competing at Pesta Sukan requires a meaningful level of preparation, consistency, and race readiness — making it a credible benchmark for measuring a junior swimmer's progress.

What makes Evan's story distinctive is the breadth of improvement. Personal bests across four strokes — not just one — following a structured period of stroke correction work with Coach Lee Yucong at SWIM2000 suggests that the improvements are connected to changes in mechanics and race execution, not simply a good day in the pool.

The data below represents the best evidence available: official competition results compared against prior personal best times.

Meet Liew Wei En (Evan)

Liew Wei En — known as Evan — is a developing competitive junior swimmer based in Singapore who joined SWIM2000's Stroke Correction Clinic under Coach Lee Yucong approximately three months before Pesta Sukan 2026.

Evan competes across all four strokes and the individual medley, and entered Pesta Sukan 2026 with established personal bests across freestyle, backstroke, breaststroke, and butterfly. His training focus with SWIM2000 centred on refining stroke mechanics — particularly butterfly — to bring his technique up to a level that could support stronger race performance.

The improvements recorded at Pesta Sukan 2026 reflect the outcome of that technical work, validated across multiple events at a competitive Singapore aquatics meet.

The Starting Point: Butterfly Needed the Most Attention

Before joining the Stroke Correction Clinic, Evan's 50m butterfly personal best stood at 51.07 seconds — more than 13 seconds slower than his 50m freestyle PB of 37.80 seconds.

In competitive swimming, butterfly is consistently one of the most technically demanding strokes. Unlike freestyle, where a swimmer can partially compensate for poor mechanics with physical effort, butterfly demands precise body undulation, symmetrical arm pull, coordinated kick timing, and correct breathing rhythm. When these elements are out of sync, even a fit, trained swimmer can find butterfly disproportionately slow and draining.

The gap between Evan's butterfly and freestyle times suggested the issue was not primarily fitness — it was stroke mechanics, rhythm, timing, and efficiency. This made butterfly the obvious starting point for Coach Yucong's assessment.

Pre-Clinic PBs at a Glance

Butterfly

51.07s

Primary focus

Breaststroke

54.19s

Backstroke

53.07s

Freestyle

37.80s

Reference

What Coach Lee Yucong Worked On

Coach Lee Yucong — a 2004 SEA Age Group Championships Silver Medallist in the 50m Butterfly and former Singapore national representative — leads SWIM2000's Stroke Correction Clinic. His approach draws directly from the technical demands of competitive butterfly and applies those standards across all four strokes.

Although butterfly was the initial reason Evan joined the clinic, Coach Yucong took a whole-swimmer approach. According to Evan's parents, the correction work extended across all four strokes, and included:

  • Body position and drag reduction across all four strokes
  • Butterfly undulation rhythm, kick timing, and arm pull coordination
  • Breaststroke glide mechanics and pull-kick synchronisation
  • Backstroke rotation, catch position, and underwater dolphin kicking
  • Freestyle stroke rate, breathing timing, and body roll
  • Race dives — entry angle, depth, and breakout distance
  • Turns — approach, wall contact, push-off power, and underwater work
  • Race execution — pacing awareness and stroke count management

This comprehensive scope is reflected in Evan's results. Improvements across four distinct strokes — including events that were not the original focus — are consistent with whole-technique correction rather than isolated drill work on a single stroke.

Learn more about Coach Lee Yucong

Pesta Sukan 2026 Results

Liew Wei En (Evan) · Official competition results

Event Previous PB Pesta Sukan 2026 Improvement
50m Butterfly Primary focus 51.07s 39.96s 11.11s faster
50m Breaststroke 54.19s 50.29s 3.90s faster
50m Backstroke 53.07s 45.42s 7.65s faster
50m Freestyle 37.80s 35.30s 2.50s faster
200m Individual Medley — 3:28.54 New benchmark

Across four comparable 50m events, Evan reduced his personal bests by a combined 25.16 seconds.

Event-by-Event Breakdown

50m Butterfly

11.11s faster

Previous PB

51.07s

Pesta Sukan 2026

39.96s

An 11.11-second improvement in 50m butterfly is a substantial reduction for a junior competitive swimmer. Butterfly is highly sensitive to technical efficiency — small corrections to undulation timing, kick coordination, and arm pull entry can produce disproportionately large time improvements compared with other strokes.

The result suggests that Evan's previous butterfly time was significantly constrained by stroke mechanics rather than fitness. With improved technique supported through the Stroke Correction Clinic, his physical capacity was able to translate more directly into race speed.

50m Backstroke

7.65s faster

Previous PB

53.07s

Pesta Sukan 2026

45.42s

A 7.65-second improvement in backstroke indicates meaningful technical progress. Backstroke is often improved through better body rotation, more effective catch mechanics, and stronger underwater dolphin kicking off the start and turns — all areas that were addressed in Evan's correction sessions.

The fact that backstroke showed significant improvement — despite not being the primary focus of the clinic — is consistent with a whole-technique approach where foundational mechanics such as body position, rotation, and underwater work carry across strokes.

50m Breaststroke

3.90s faster

Previous PB

54.19s

Pesta Sukan 2026

50.29s

Breaststroke is typically the most technique-sensitive stroke in competitive swimming. The pull-kick-glide cycle, head position, and streamline on each recovery must be precisely timed to minimise resistance during the glide phase.

A 3.90-second improvement in breaststroke suggests improved pull-kick synchronisation and more efficient glide mechanics. Even incremental improvements in streamline position compound over the length of a 50m race.

50m Freestyle

2.50s faster

Previous PB

37.80s

Pesta Sukan 2026

35.30s

Freestyle was already Evan's strongest stroke before the clinic, making further improvement more incremental than in technically weaker events. A 2.50-second reduction from 37.80 to 35.30 seconds is nonetheless a meaningful result, representing improved catch efficiency, better body rotation, and a stronger race dive and breakout.

Freestyle PB improvements at this level typically reflect refinements across multiple small technical elements rather than a single dramatic change — consistent with the comprehensive correction approach used in the programme.

200m Individual Medley

New benchmark

Previous PB

—

Pesta Sukan 2026

3:28.54

The 200m Individual Medley demands technical competence across all four strokes in sequence, with clean transitions between butterfly, backstroke, breaststroke, and freestyle. A swimmer cannot rely on one strong stroke to carry the event — consistent technique across all four is required.

Evan's 200m IM debut at 3:28.54 serves as a useful composite benchmark. It captures how improvements across individual strokes combine under race conditions, and establishes a starting point for tracking IM progress going forward.

Parent Perspective

"Evan's improvement at Pesta Sukan 2026 was very clear to us. His strokes looked smoother, his timing improved, and he raced with more confidence. We joined the Stroke Correction Clinic to work on his butterfly, but Coach Yucong also helped refine all four strokes, including dives, turns and underwater work. Seeing Evan achieve PBs across multiple events was a proud moment for us."

E

— Parent of Liew Wei En (Evan)

SWIM2000 Stroke Correction Clinic student

What Parents Can Learn From Evan's Improvement

One of the most common instincts when a competitive junior swimmer stalls on their times is to increase training volume — more laps, more sessions, more hours in the pool. Evan's Pesta Sukan 2026 results offer a different perspective: for swimmers whose technique has technical inefficiencies, more volume may only reinforce those inefficiencies at greater speed.

When the underlying mechanics are corrected — body position, catch timing, underwater work, turns — the fitness a swimmer already has can express itself more effectively in the water. Drag reduces. Energy transfers more cleanly into propulsion. Stroke rate and distance-per-stroke improve simultaneously.

This is the core principle behind SWIM2000's Stroke Correction Clinic: swim smart, not just swim hard.

For parents of competitive junior swimmers who want to understand whether technique is a limiting factor in their child's performance, a stroke assessment is a practical starting point. And for children earlier in their swimming journey, kids swimming lessons that prioritise correct technique from the beginning help avoid the habit reinforcement that makes later correction more difficult.

Key takeaways

  • Technical correction can improve efficiency across all four strokes simultaneously
  • Fitness improvements show up better once mechanics stop working against the swimmer
  • PB improvements in multiple events suggest systemic technique gains, not a single race anomaly
  • Starting with correct technique in kids lessons reduces the need for correction later
  • A stroke assessment identifies specific inefficiencies before they become ingrained habits

From Kids Swimming Lessons to Stroke Correction

SWIM2000's teaching approach follows a structured development pathway built around long-term swimmer progression. At each stage, the focus is on establishing correct technique before advancing to the next level — so that habits formed early support rather than hinder future performance.

1
Kids Swimming Lessons

Water confidence, basic stroke introduction, safety skills. Foundation for all future development.

2
SwimSafer Programme

Singapore's national water safety curriculum. Stages 1–6 covering all four strokes, survival skills, and basic rescue.

3

Stroke Development

Progressive refinement of stroke mechanics, turns, dives, and race-readiness skills for swimmers targeting competitive swimming.

4
Stroke Correction Clinic

Targeted technical assessment and correction led by Coach Lee Yucong. For competitive juniors and swimmers wanting to improve efficiency.

SWIM2000 Locations in North Singapore

Lessons and stroke correction sessions are held at two pools in North Singapore, serving families in Yishun, Sembawang, Canberra, and surrounding areas.

Yishun Swimming Complex

Swimming lessons & stroke correction · Yishun, North Singapore

Bukit Canberra Swimming Complex

Swimming lessons & stroke correction · Sembawang, North Singapore

Want Coach Lee Yucong to Assess Your Child's Stroke?

If your child is competing — or wants to compete — and you'd like to understand whether technique is a limiting factor, a stroke assessment is the right starting point. WhatsApp SWIM2000 to enquire about the Stroke Correction Clinic or to book a session.

WhatsApp SWIM2000 View Stroke Correction Clinic

Stroke Correction Clinic — Frequently Asked Questions

What is SWIM2000's Stroke Correction Clinic?

The SWIM2000 Stroke Correction Clinic is a focused programme led by Coach Lee Yucong designed to analyse and correct a swimmer's technique across all four strokes. Sessions cover body position, timing, breathing mechanics, underwater work, dives, and turns. It is suitable for both competitive juniors who want to improve race performance and recreational swimmers who want to swim more efficiently.

Is stroke correction suitable for competitive junior swimmers?

Yes. Competitive junior swimmers often develop compensating habits under race pressure. Stroke correction helps identify inefficiencies that may not be visible until they are analysed carefully. Evan's results at Pesta Sukan 2026 suggest that targeted technical correction can translate directly into measurable time improvements across multiple events.

How did stroke correction help Evan at Pesta Sukan 2026?

According to Evan's parents, Coach Lee Yucong worked on all four strokes, dives, turns, underwater work, timing, and body position — not only butterfly, which was the initial focus. Across four comparable 50m events at Pesta Sukan 2026, Evan reduced his previous personal bests by a combined 25.16 seconds, with his 50m butterfly improving by 11.11 seconds.

Does my child need to be competing before joining stroke correction?

No. While Evan was already competing at Pesta Sukan level, the Stroke Correction Clinic is open to any swimmer who wants to improve technique — whether they are recreational, preparing for SwimSafer assessments, or training for competitions. Coach Yucong assesses each swimmer individually before recommending the right approach.

Where are SWIM2000 stroke correction sessions held?

SWIM2000 stroke correction sessions are held at Yishun Swimming Complex and Bukit Canberra Swimming Complex in North Singapore, serving the Yishun, Sembawang, and Canberra areas. WhatsApp SWIM2000 to confirm current session availability and scheduling.

Who teaches the Stroke Correction Clinic?

The Stroke Correction Clinic is led by Coach Lee Yucong, a 2004 SEA Age Group Championships Silver Medallist who represented Singapore in the 50m Butterfly. Coach Yucong brings both elite competitive experience and over two decades of structured coaching to every assessment and correction session.

How is stroke correction different from normal swimming lessons?

Standard swimming lessons focus on building foundational skills and progressing through stroke development stages. Stroke correction is a targeted intervention that analyses existing technique in detail and makes specific adjustments to mechanics, efficiency, and race execution. It assumes the swimmer can already perform the stroke and focuses on refining it for better performance or efficiency.

Can stroke correction help with SwimSafer students too?

Yes. While stroke correction is particularly valuable for competitive swimmers, it can also benefit SwimSafer students who have learnt a stroke but need to refine their technique before progressing to higher stages. Better mechanics often lead to more confident, efficient swimming — which supports SwimSafer assessment readiness.