Welcome to the 2nd Edition of Silabur Ultra Trail 2024 (SUTra2024) also part of Asia Trail Master Championship Series 2024. This adventure event is presented to you by Alpha Sport Event (ASE).

SUTra2024 will take place at Bidayuh Kpg Lubang Batu, Tebakang. Roughly 40km from Serian town & 100km from Kuching.

The course covers a natural mountain trail & the magnificent Silabur Cave aka Jade Cave.

SUTra 2024 offers various distances to choose from the challenging 100km to a shorter beginner friendly 10km. The race course offers 10km/ 30km/ 50km/ 100km.

Discover the beauty of Sarawak when you run over the mountain and explore the caves.

Event Details

Date : 4 & 5 May 2024 (Sat & Sun)
Venue : Kampung Lobang Batu Tebedu, Sarawak
(Google Map – Kampung Lobang Batu)
Distance : 10KM, 30KM, 50KM & 100KM 


10KM Men & Women Open 17 - 45 yrs old 7:00 am
5 May 2024
12:00 pm
5 May 2024
5 hours
10KM Men & Women Veteran 46 yrs old & above
30KM Men & Women Open 17 - 45 yrs old 5:00 am
5 May 2024
2:00 pm
5 May 2024
9 hours
30KM Men & Women Veteran 46 yrs old & above
50KM Men & Women Open 17 - 45 yrs old 4:00 am
5 May 2024
8:00 pm
5 May 2024
16 hours
50KM Men & Women Veteran 46 yrs old & above
100KM Men & Women Open 17 - 45 yrs old 10:00 am
4 May 2024
5 May 2024
33 hours
100KM Men & Women Veteran 46 yrs old & above

Registration Fee

(First 100 pax)
(101 - 200 pax)
(201 pax above)
10KM Men & Women Open 17 - 45 yrs old  RM117 RM130 RM170
10KM Men & Women Veteran 46 yrs old & above RM117  RM130 RM170
30KM Men & Women Open 17 - 45 yrs old RM198  RM220 RM270
30KM Men & Women Veteran 46 yrs old & above RM198  RM220 RM270
50KM Men & Women Open 17 - 45 yrs old RM270  RM300 RM350
50KM Men & Women Veteran 46 yrs old & above RM270  RM300 RM350
100KM Men & Women Open 17 - 45 yrs old RM342  RM380 RM430
100KM Men & Women Veteran 46 yrs old & above  RM342  RM380 RM430



  • Above fee excludes ticketing fee of 6% + RM3
  • Last year participants get 20% discount on Early Bird Price if register by 14 Dec 2023. We will not entertain any request for the discount aftre the said date.

Event TShirt & Medal


Runner's Entitlement

 Event Tee ✔️ ✔️ ✔️ ✔️
 Finisher Tee ✔️ ✔️ ✔️ ✔️
 Medal ✔️ ✔️ ✔️ ✔️
 Running Bib ✔️ ✔️ ✔️ ✔️
 E-Certificate ✔️ ✔️ ✔️ ✔️
 Top 3 Trophy ✔️ ✔️ ✔️ ✔️
 On-site refreshments & drinks ✔️ ✔️ ✔️ ✔️
 Insurance ✔️ ✔️ ✔️ ✔️

Mandatory Items

 Running Vest / Bag ✔️ ✔️ ✔️ ✔️
 Min 1000ml capacity water bladder of soft flask ✔️ ✔️ ✔️ ✔️
 Mobile Phone ✔️ ✔️ ✔️ ✔️
 Headlamp (100KM with spare battery) ✔️ ✔️ ✔️ ✔️
 Whistle ✔️ ✔️ ✔️ ✔️
 Personal Cup or Bottle ✔️ ✔️ ✔️ ✔️
 Blinker   ✔️ ✔️ ✔️
 Emergency Blanket   ✔️ ✔️ ✔️
 First-aids Kit ✔️ ✔️ ✔️ ✔️
 Energy Food ✔️ ✔️ ✔️ ✔️

Strongly Recommended Items

  • Cap/Hat
  • Sun Block
  • Rain coat/Jacket
  • Headbuff/Scarf
  • Hiking poles
  • Good grip trail shoes
  • Sports gels and nutrition
  • Sunglasses
  • Electrolyte tablets/Hydration Salt
  • Additional Drinking Water Storage
  • UV Protection Clothes

Route Map


Silabur Photos

Rules & Regulations


Participants for category 30KM, 50KM and 100KM must be aged 18 years old and above on 4th May 2024.


Participants acknowledge and agree that upon registration, the entry fees are non-refundable, non-transferable and non-deferrable.


The Organiser reserves the right to change the Date and/or Venue or to postpone or cancel the Event for any reason whatsoever including force majeure (i.e. due to occurrence of any incident, condition or event that are beyond the reasonable control of the Organiser and which, in the Organiser’s opinion, renders it impossible or unsafe to hold the Event) at any time without prior notice to the Participant, in which case the Organiser will make effort to inform the Participant prior to the Date. If the Event has to be postponed or cancelled, there shall be NO refund of fees and the Organiser shall not be liable for any loss or inconvenience caused.


  1. Runners must complete the set course on foot by their own power and ability within the stipulated time;
  2. Drinking cups will not be provided at any of the water station points; runners must have their own cup or other personal container suitable for the purpose;


  1. Runners must understand the unique nature and requirements of competing in an ultra-long distance road running race. He/she will be running all day and night on the road. He/she must have undertaken the necessary training to compete in such a race.
  2. Runners will be responsible for his/her self safety by having the ability and skills to deal with any problems that may be encountered during the race of this nature.
  3. Runners must be able to undertake or deal with on his/her own without any other external assistance during the deteriorating weather conditions (e.g. raining, strong winds, hot sun etc.) and other unforeseen circumstances arises while running on the road.
  4. Runners must be able to undertake or deal with his/her extreme fatigue, internal organ and digestive problems, muscle pain, mild physical injuries and psychological problems during the race.
  5. Runners who accept any assistance and support from any person may be disqualified.
  6. In the event of a runner meeting another runner who is in health difficulty or injured, he/she must stop to help and inform the race Organiser to seek for medical assistance.
  7. Runners are not allowed to wear headphones, earphones or/and speakers during the race.


By entering the race, each runner undertakes to take with him/her all the mandatory items as listed below throughout the race. Failure to do so will result in application of the time penalties or disqualification.

Mandatory items (checks may be carried out along the route during the race, including the top 10 runners of every categories):

 Running Vest / Bag ✔️ ✔️ ✔️ ✔️
 Min 1000ml capacity water bladder of soft flask ✔️ ✔️ ✔️ ✔️
 Mobile Phone ✔️ ✔️ ✔️ ✔️
 Headlamp (100KM with spare battery)   ✔️ ✔️ ✔️
 Whistle ✔️ ✔️ ✔️ ✔️
 Personal Cup or Bottle ✔️ ✔️ ✔️ ✔️
 Blinker   ✔️ ✔️ ✔️
 Emergency Blanket   ✔️ ✔️ ✔️
 First-aids Kit ✔️ ✔️ ✔️ ✔️
 Energy Food ✔️ ✔️ ✔️ ✔️



Before the Race flag off, all participants must report to official tent, to perform mandatory items check. After the successful check, participants will receive a unique ribbon which be tied to the backpack of the participants. Runners who run without this ribbon will be disqualified. 

8) RECOMMENDED ITEMS (not compulsory):

  1. Sport foods & Gels;
  2. Rucksack or waist bag;
  3. Elastic adhesive bandage that can be used as a dressing;
  4. Head gear or cap or bandana;
  5. Sunglass or Suntan lotion/cream with UV block;
  6. Change of clothes and running shoes;
  7. Waterproof jacket;
  8. Cash;
  9. Route Map and Elevation Map;


  1. Drop bag may be deposited at the starting/finishing point for all runners. Runner may use their own bags for luggage deposit.
  2. Runners may choose not to deposit any drop bags. This is not a compulsory requirement.
  3. Fragile or valuable items should not be placed in the drop bags;
  4. Bags with objects attached to the outside will not be transported.
  5. If a runner pulls out of the race, his/her bag will be transported to the race finishing point, where he/she may collect it upon presentation of his/her bib number. The runner shall understand that the timing of the return of his/her drop bag will be subject to the schedule of the race shuttle bus/trucks;
  6. The Organiser may not be held liable for the loss or damage of any objects in the drop bag during the race.
  7. Drop bag must be given to race Organiser at the start line 1 hour before the race starts;
  8. The race Organiser will NOT be keeping them for the runners.


  1. In order to ensure race safety, race Organiser will prepare and arrange for rescue and medical assistance during the race. However, each participant must recognize and understand that there are risks of injuries and/or accidents associated with road running. Runners are participating in this race at his/her own risk;
  2. While the race Organiser has purchased Public Liability Insurance for this event, it is strongly recommended that the runners have obtained an adequate Personal Medical Insurance coverage
  3. Medical points will be set up at certain water station points;
  4. If necessary, and in the interests of the person being rescued, at the exclusive discretion of the Organiser, the official medical rescue services may be called upon to take over operations, using any means they consider appropriate, including an ambulance. Any costs deriving from such exceptional transport will be charged to the person who has been rescued;
  5. Depending on the runner health conditions, an emergency evacuation may be required. This emergency evacuation will be at the expenses of the person being rescued;
  6. The official race medical assistants are authorized to withdraw from the competition any runners that they consider as unfit to continue or are in danger. The runner bib will be removed as part of the DNF (Did Not Finish) procedures;
  7. If a runner drops out from the race, runner must first inform and register with the nearest checkpoints that he/she is dropping out. Proper "DNF" procedure should be followed and completed before the runner is allowed to leave the event:
  8. In case of an emergency, if you are unable to reach the race headquarters, you can also call the public emergency number '999' directly for help;
  9. The race Organiser reserves the right to implement any additional measures at any time to enhance and protect the safety of the race and the runners before the race and during the race.


  1. The timing will be recorded at the checkpoints/water station points established by the Organiser;
  2. Only runners sporting their regular bib number will have access to the water station;
  3. Drinks will be provided at every water station;
  4. Food will also be provided at some main water station;
  5. The route map, which can also be downloaded online, will contain accurate indications of the water station points;
  6. The Organiser reserves the rights to carry out checks at other points along the route;


  1. The maximum time allotted for completion of the race are:
    1. 10KM – 5 Hours
    2. 30KM – 9 Hours
    3. 50KM – 16 Hours
    4. 100KM – 33 Hours
  2. In the event of poor weather conditions and/or for safety reasons, the Organiser reserves the rights to suspend the race or to make changes to the cut off times;


  1. The Organiser reserves the right to modify and/or supplement any part of the event rules.
  2. Participants shall be bound by any such modification or supplemental event rules as maybe published by the Organiser from time to time. Failure to follow these event rules, as may be amended, will result in immediate disqualification and removal from official results.

Organizer Contact

Organizer : Alpha Sports Event
Contact No : 013-868 0629
Facebook : https://www.facebook.com/profile.php?id=100086376999869