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TNBYY Ultra (previously known as TNBYY Dayhike Challenge) is an ultra-trail challenge nestled in the Northern part of Titiwangsa Range with majestic views of the mountain range of 7,000 feet above the sea. The acronym stands for “Tok Nenek Bubu Yong Yap” (TNBYY) and makes reference to the iconic Mount Tok Nenek, Mount Bubu and Mount Yong Yap where one of the mountains is among the 7 highest peaks in the peninsular of Malaysia.

Runners have to traverse across the jungle, track over 20 rivers, bamboo paths and flutter tracks that will test the mental and physical endurance of the runners. The challenges don’t stop there as the cold and windy peak conditions will make this race a true test to the runner’s body and mind. Consequently, extensive experience in hiking is also important hence we recommend that all runners come fully prepared.

Transverse Tok Nenek – Bubu – Yong Yap (TNBYY) is not a convenient journey. It’s not about racing, but it’s about challenging yourself to a higher level.

Race Information

Name:TNBYY Ultra 2024
 Date29 & 30 June 2024 (Saturday & Sunday)
 Venue Eco R&R Lojing Highlands, Gua Musang, Kelantan
 Distance50KM, 25KM & 12KM
 Organizer:ISREC Adventure

Race Categories

                                    CATEGORYDISTANCE                  AGESTART TIME  END TIMECUT-OFF TIME



  • Men & Women (Open)
  • Men & Women (Veteran)


  • Mixed (1 Man & 1 Women)


  • Mixed (1 Man & 2 Women / 2 Men & 1 Women)

(18 – 39 years old)

(40 years old & above)

(18 years old & above)

4.00 a.m.
29 June 2024
12.00 a.m.
30 June 2024
20 hours



  • Men & Women (Open)
  • Men & Women (Veteran)
25KM8.00 a.m.
29 June 2024
3.00 p.m.
29 June 2024
7 hours



  • Men & Women (Open)
  • Men & Women (Veteran)
12KM7.00 a.m.
30 June 2024
10.00 a.m.
30 June 2024
3 hours

Qualifiers & Championship Points

Registration Fees

(19 JAN – 1 FEB 2024)
(2 FEB – 20 MAR 2024)
(21 MAR – 19 APR 2024)
50KM (Ultra)Solo
(Men & Women / Open & Veteran)
25KM (Ball-Breaker)Solo
(Men & Women / Open & Veteran)
12KM (Freshmen)Solo
Men & Women / Open & Veteran)



  • Registration is available for a limited capacity of 1,000 slots, encompassing all categories.
  • Registration will remain open either for the respective specified time duration or until reaching the full slot (whichever comes first).
  • The above fee excludes the online processing fee.
  • All entry fees are NON-REFUNDABLE and NON-TRANSFERABLE once the registration is completed.
  • Group registration of 10 and above are entitled to get an additional 10% discount excluding 12KM. Please contact the Organizer for further enquiries.

Runners Entitlements

Event Tee✔️✔️✔️
Finisher Tee✔️✔️
Race Bib✔️✔️✔️
Timing Chip✔️✔️✔️
Route Map✔️✔️✔️
(Tyvex & Silicone)
Finisher Medal✔️✔️✔️
Goodies Bag✔️✔️✔️
(before & after event)
Refreshments (Checkpoints)✔️✔️✔️
Medical Support✔️✔️✔️

Winners Prizes

To be announced

Race Entry Pack Collection (REPC)

Normal Collection

Date       : 28 June 2024 (Friday)
Time       : 2.00 p.m. – 8.00 p.m. (50KM, 25KM & 12KM)
Venue     : Eco R& R Lojing Highlands, Gua Musang, Kelantan


Late Collection

Date        : 29 June 2024 (Saturday)
Time        : 2.00 a.m. – 3.30 a.m. (50KM)
               : 6.00 a.m. – 7.00 a.m. (25KM & 12KM)
Venue      : Eco R& R Lojing Highlands, Gua Musang, Kelantan



  • A mandatory individual items check will be conducted prior to the collection of Race Entry Packs.
  • Kindly present your confirmation slip (in either softcopy or hardcopy), indemnity form, and either your Malaysian Identity Card or Passport (for international participants) for verification during the Race Entry Pack Collection (REPC) process.
  • All registered participants must personally collect their Race Entry Packs; collecting on behalf of others is strictly prohibited.
  • No POSTAGE of Race Entry Packs available for this event.

Mandatory Items

Hydration Vest / Bag / Belts✔️✔️✔️
Soft Flask / Water Bladder1,500ml1,000ml500ml
Headlamp with Spare Battery✔️  
Emergency Blanket✔️✔️ 
Waterproof / Windproof Jacket✔️✔️ 
Mobile Phone✔️✔️✔️
Personal First Aid Kit✔️✔️ 
Energy Foods & Gels✔️✔️ 
Drinking Cup✔️✔️✔️
Bowl & Spoon✔️✔️✔️
Route Map (GPX)✔️✔️✔️

Recommended Items

  • Head Gear (Cap / Hat / Visor)
  • Gloves
  • Spare Socks
  • Running Poles
  • Gaiter
  • Ziplock Bags
  • Power Bank
  • Sun Block
  • Waterproof / Windproof Jacket
  • Buff / Scarf
  • Good Grip Trail Shoes
  • Energy Foods / Gels
  • Sunglasses
  • Electrolyte Tablets / Hydration Salt
  • Additional Drinking Water Storage
  • UV Protection Clothes

Event & Finisher Tee

To be announced

Finisher Medal

To be announced

Course Profile

Insurance Coverage

All registered participants are covered by personal insurance coverage.

 Insurance Class: Group Personal Accident (GPA) 
 Insurance Period: 29 – 30 June 2024 
 Insurance Coverage : Death(RM15,000.00)
 : Permanent Total and Partial Disablement(RM15,000.00)
 : Medical Expenses(RM1,000.00)

Rules & Regulations


Participants must be at least 18 years old and older on the day of the event. All participants must submit a completed entry form and sign an indemnity form.

Medical Clearance

Participants must be physically fit and prepared to complete the chosen distance/category.

Race Bibs

Race bibs must be worn visibly on the front of the participant’s body at all times during the race. Tampering with or transferring race bibs is strictly prohibited and may result in disqualification.

Mandatory Items

Participants must carry the mandatory items specified by the Organizer. Random items checks may be conducted, and failure to comply may result in penalties or disqualification.

Course Etiquette

Participants must follow marked trails and respect the environment. Littering is strictly prohibited. Any participant caught littering will be disqualified.

Time Limits (Cut-Off Time)

Participants must complete the course within the designated time limits. Runners who fail to reach checkpoints or finish within the allotted time will be withdrawn from the race.

Checkpoints/Aid Stations

Checkpoints/aid stations will be present along the course offering refreshments, medical support and others. Participants must only receive assistance at designated aid stations. External support outside of these areas is not allowed.


Participants may be disqualified for violating any rules, displaying unsportsmanlike conduct, or refusing to follow the instructions of the Organizer. Use of performance-enhancing drugs is strictly prohibited.


Participants may appeal decisions made by the Organizer within 24 hours of the event’s conclusion. Appeals must be submitted in writing to the race director.

Weather Conditions

The event will take place rain or shine. In case of severe weather conditions, the race director reserves the right to modify the course or postpone the event for the safety of participants.

Terms & Conditions

Registration Fees

All registration fees are non-refundable and non-transferable. Participants may not defer their entry to the following year.

 Event Cancellation

In the event of unforeseen circumstances, including but not limited to natural disasters or pandemics, the race organizers reserve the right to cancel the event. In such cases, a portion of the registration fees may be refunded at the discretion of the organizers.

Image Release

Participants grant the Organizer the right to use their name, likeness, and images captured during the event for promotional and marketing purposes.

Release of Indemnity

Participants acknowledge the inherent risks associated with trail running and, in consideration of a Release of Indemnity, voluntarily relinquish any claims against the Organizer, sponsors, and volunteers for injuries, damages, or loss sustained during the event.

Event Changes

The Organizer reserves the right to make changes to the event, including but not limited to the course, date, or start times. Participants will be notified of any changes promptly.

Code of Conduct

Participants must adhere to a code of conduct promoting sportsmanship, respect, and fair play. Any violation may result in disqualification and future exclusion from TNBYY Ultra events.

Refusal of Entry

The Organizer reserves the right to refuse entry to any participant without providing a reason.

By registering for TNBYY Ultra, participants acknowledge that they have read, understood, and agreed to abide by the rules and terms outlined above. Failure to comply may result in disqualification from the event.

Organizer Information

Organizer Name:ISREC Adventure
 Contact No. 012 675 1879 (Kam) / 017 726 5136 (Shard)

Event Location

Supported & Sponsors