Sai Kung 50 takes place on Sun, Dec 6, 2026 in Sai Kung, Hong Kong SAR China. The main route is 54 km.
- Date
- Sun, Dec 6, 2026
- Start
- Sai Kung 🇭🇰
- Distance
- 54 km
- Climbing
- 2,932 m
- Level
- Open to all
Your 9-week plan to Sai Kung 50
The Build phase starts this week. Built around your fitness and adjusted every day as your form changes; attach the course and it prepares for the climbs too.
Build my planFree to start · No credit card
A premier Hong Kong ultra marathon trail run showcasing stunning coastal beaches, technical single tracks, and gorgeous ocean views in Sai Kung.
What this race demands
The Sai Kung 50 demands continuous strength and technical focus over a 54 km ultra marathon distance featuring significant climbing.
Vertical Endurance
Accumulating nearly 3,000 meters of elevation gain across 54 kilometers requires sustained climbing strength and muscular endurance in the lower limbs.
Technical Footwork
Navigating technical single tracks throughout the course demands high levels of agility, balance, and ankle stability.
Extended Duration
Completing an ultra marathon of this scale requires disciplined pacing and effective management of physical fatigue over many hours.
Given the duration of an event of this distance, athletes should aim to consume 60 to 90 grams of carbohydrates per hour to sustain energy levels.
Estimated finish times
Estimates by level, not promises. Your own number depends on your fitness on the day.
Your road to race day
Race day at Sai Kung 50 is 9 weeks away. This is how a coach divides that time. The first phase starts now.
01Build3 weeks · Oct 5, 2026 – Oct 25, 2026
Progressive overload: training load climbs in waves, with harder weeks stacked on the base and planned recovery weeks that let the gains land.
02Peak3 weeks · Oct 26, 2026 – Nov 15, 2026
The hardest weeks of the plan: race-specific intensity at nearly full training load, sharpening exactly what this race asks for.
03Taper2 weeks · Nov 16, 2026 – Nov 29, 2026
Volume drops while intensity stays: short, sharp efforts keep the legs awake as fatigue drains away.
04Race week1 week · Nov 30, 2026 – Dec 6, 2026
Openers, rest and logistics. The work is done; the job now is arriving fresh.
Frequently asked questions
When is Sai Kung 50?
Sai Kung 50 takes place on Sun, Dec 6, 2026 in Sai Kung, Hong Kong SAR China.
How long is Sai Kung 50?
The main route is 54 km.
What does Sai Kung 50 demand?
The Sai Kung 50 demands continuous strength and technical focus over a 54 km ultra marathon distance featuring significant climbing.
How much climbing does Sai Kung 50 have?
Sai Kung 50 has 2,932 m of climbing.
Who is Sai Kung 50 for?
Sai Kung 50 is open to all participants.
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