HK100 Flex

On Course - The Half

Registration Fee: HK$398

This is an ITRA-ranking and UTMB-qualifying event. Please make sure the format of your name and your date of birth match your profile so that your finish result can be assigned correctly.

Please try to avoid using e-mail addresses from and These domains routinely block our e-mails and we may therefore have problems in communicating with you.

Passport numbers should be entered in full. For HKIDs you are required to enter the first letter and following 6 digits. This is for identification purposes. Failure to do so will render your registration invalid.

Flex T-shirt - Free



*Please leave the quantity blank for the size you do not want.

10th year Limited Edition Hoody

A limited edition hoody 'reworked' from our 10th anniversary edition finisher's hoody.  Definitely a collector’s item!  This is the thickest and warmest of all our finishers’ hoodies.  Zipped pockets prevent belongings from dropping out.  This is a jacket to accompany you on all your adventures!

Price: HK$599 (Original Price: HK$809)

Souvenir Tee

This souvenir T-shirt is made of the same super light and quick dry material as our event T-shirt (but is of a different design). The fabric is top of the range from Kailas and is the most popular T-shirt worn by trail runners from all over the world, whether in training or in races.  Available in men's and women's sizes.

Price: HK$369 (Original Price: HK$459)

Souvenir Hoody

A burgundy-coloured hoody which uses the same design themes as the 2021 event and souvenir tees. Pockets with zips prevent things from falling out. The perfect souvenir of your achievement and a really handy, comfortable and practical piece of kit. The latest in the line of the world’s most popular finishers’ hoodies!


Price: HK$499 (Original Price HK$579)

Fuga Air Hydration Vest 8L (includes 2 soft flasks)

Minimalist, efficient and lightweight, the Fuga Air 8L has an ADF system that provides a snug fit around your chest. The Bi-fix system reduces water sloshing and the multi-layer storage system allows you to carry all your essential items. 

Soft flask has pull up bite valve to drink and push down to lock. Bite valve can rotate 360 degrees, allowing easy drinking.

*3D cutting: Anatomical vest transfers the center of gravity of the bag to the higher part of your torso. The weight is evenly distributed, reducing the load on your hips and legs and providing comfort and mobility. 
*Adjustment system: Innovative ADF (All-round Dial Fit) system that features a dial, lace (up to 75kg rated strength) and lace guide provides easy, quick and precise adjustment that adapt to different body shapes and movements. It can be adjusted quickly at any time, fits your body snug, and allows you to move freely. BI-FIX system prevents water in the water flasks from sloshing when they are half full. 
*Storage system: 13 compartments allow fast access and large capacity for your mandatory gear. Rear multi-layered storage system keeps your items stable. 
*External hanging system: Fully hidden trekking pole loops. 3 different ways to attach trekking poles. The loops can be stacked back when not in use to avoid rubbing against your skin and entanglement with tree branches.
*CMF: 90% highly breathable fabric allows good ventilation. Reinforced on pressure points. 100% cotton on high wear areas. 
*Details: Multiple reflective printings improve visibility at night.  Zipper pocket for important items; silicone-coated water bottle pockets for easy installation of water flasks. 
[Fabric] 4-way elastic fabric + mesh 
[Weight] 0.18 kg 
[Color] Kailas Yellow / Flame Red 
[Capacity] 8L

Price: HK$850 (Original Price: HK$1150)

HK100 Soft Flask 500ml

Manufactured from BPA-free and non-toxic plastic materials

Price: HK$118 for one; HK$198 for pair

HK100 See-Through Dry Sack 3L

Watertight and reliable, this Ultragear dry sack keeps your essentials organized and easily identified. The CORDURA® Ultra Light fabric is durable, compact, lightweight, and waterproof.  Perfect for keeping items dry inside your backpack.

  • Cylinder shaped dry-sack; perfect for situations where water and rain is involved. 

  • Transparent TPU window clearly reveals the contents inside. 

  • 30D CORDURA® Ultralight fabric delivers a desirable combination of qualities: durable, compact, lightweight, and waterproof. 

  • Roll-top closure secures the bag shut and keeps the contents protected.

Price: HK$99 (Original Price: HK$109)

Unit price HK$ 99 
(Minimum 1 - Maximum 99)

Kailas FUGA-PRO Trail Running Shoes (with gaiters)

Fugo-Pro is one of the best technical trail running shoes we have used. It is lightweight, grippy, fast and extremely comfortable, suitable for all types of terrain.


Upper: Highly durable ultra-lightweight TPU film combined with a highly breathable mesh surface
Outsole: Vibram Lite base sole which uses the same rubber material as the super popular MegaGrip but is 30% lighter.
Insole: Highly wear-resistant and breathable
Foothold: Comfortable locked-in foot, perfect wrapping and effectively prevents sand from getting into shoe
Weight: Size 43 = 283g only

Kailas patented 4-point gaiter holder can fix the gaiter on the shoe firmly, prevents debris from entering your shoe.
Gaiter features:

  • Reflective printing for night visibility

  • Breathable, moisture-wicking and stretchy fabric

  • Wear-resistant material for reinforcement

  • Front hook for secure attachment to the shoe

  • Weight: 16g

Price: HK$1570 (Original Price: HK$1960)

HK100 Wind Jacket

1. Ultralight, stretchy and fully waterproof 2.5-layer hardshell jacket. Anti-bacterial printings at the back of the fabric prevent body odor.
2. Athletic fit / 3D cutting / Adjustable elastic U-shaped cuffs / Inner reinforcement
3. Vents at back for ventilation and comfort
4. Reflective printing enhances night visibility

Colour: Flame Red
Price: HK$1090 (Original Price: HK$1490)

HK100 Ultra-light trail running jacket

1. Lightweight, fully waterproof and semi-transparent 3-layer jacket
2. Athletic fit / 3D cutting / Adjustable elastic U-shaped cuffs / Inner reinforcement
3. Self-stowing zipped pocket at the front left allows easy packing and storing of small items
4. Reflective printing enhances night visibility
5. One-piece construction at armpits for ventilation

Colour: Flame Red / Ocean Blue 
Price: HK$1600 (Original Price: HK$2300)

HK100/Zenone ultra-light trekking poles

Asia Outdoor Industry Award (2018 Gold Award) and 2019 Asia-Pacific Outdoor Innovation Award
Full carbon body, ultra light weight (100 g for 100 cm length) and extremely durable, foldable into 33 cm in total length.
Free engraving service for up to 10 alphabets or 5 Chinese / Japanese characters.
Quality guarantee period of 18 months and 12-month warranty service.

Price: HK$999 per pair (Original Price: HK$1359 per pair)

HK100 Nitecore UT32 headlamp with 3500mAh rechargeable battery

Ultra-light, ultra-compact Nitecore UT32 trail runner’s headlamp with state-of-the-art TrueVision flood beam and rechargeable long-lasting NL1835R battery.
Visit HK100 website for more information.

Price: HK$638 (Original Price: HK$688)

Unit price HK$ 638 
(Minimum 1 - Maximum 99)

NITECORE NU32 – Ultra Lightweight Rechargeable Headlamp

NU32 is an excellent rechargeable headlamp for trail runners. It utilizes a CREE XP-G3 S3 primary white LED with a max output of 550 lumens and a max throw of 125 metres while it is also equipped with an auxiliary high CRI white light and an auxiliary red light to enable all-purpose applications.

Weight: 99.5g / 3.51oz (Bracket and Headband Included)
Price: HK$258 (Original Price: HK$298)

Unit price HK$ 258 
(Minimum 1 - Maximum 99)

NITECORE NU35 – Dual Power Hybrid Working Headlamp

A new headlamp designed by Nitecore which is even lighter than NU32. Visit HK100 website for more information.
Max Output : 460 Lumens Max Beam Distance : 48 m
Max Beam Intensity : 580 cd
Protection against accidental activation
Battery : Rechargeable Li-ion ,3 × AAA
Special Modes : Location Beacon, SOS, Caution
Light Beam color : White light, Red Light
Weight : 79.5 g / 2.80 oz

Price: HK$288 (Original Price: HK$308)

Unit price HK$ 288 
(Minimum 1 - Maximum 99)

HK100 Nitecore Ultra-Lightweight 10,000 mAH Power Bank

Specially designed for trail running, the NB10000 is the world’s most compact and lightest 10,000 mAH mobile power.
Carbon fiber reinforced polymer constructed frame
Ultra-Lightweight at 150 g which is 40% lighter than conventional 10,000 mAH power banks
Ultra Compact – 50% smaller than conventional 10,000 mAH power banks
IPX5 rating makes it fearless of rainy or snowy weather

Capacity:10,000mAh 3.85V (38.5Wh)
Rated Energy:6,400mAh 5V (TYP 1A)
Input:USB-C: 5V⎓2.4A / 9V⎓2A
Output: USB-C: 5V⎓3A / 9V⎓2A / 12V⎓1.5A
             USB-A: 5V⎓3A / 9V⎓2A / 12V⎓1.5A
             Dual Ports: 5V⎓3A (MAX)
Dimensions:121.9mm×59mm×10.6mm(4.8” ×2.32” ×0.42”)
Weight:150g±3g (5.29oz±0.11oz)
Accessories: USB Charging Cable (USB-A to USB-C)

Price: HK$429 (Original Price: HK$469)

Unit price HK$ 429 
(Minimum 1 - Maximum 99)

2020 Edition Certificate Sample