We welcome you to the final SIRI CABARAN GUNUNG 2023: CABARAN GUNUNG RAJAH.

At a height of 1,685 metres, Gunung Rajah is in the state of Pahang and shares a border with Selangor. It has two entrances, including the Chamang Waterfall in Bentong, Pahang and one via Kampung Pertak, Kuala Kubu Bharu. The race will begin and end in Chamang, Bentong. Finishers will get UTMB Performance Index and ITRA National League Points according to the category they participated in.

SIRI CABARAN GUNUNG: CABARAN GUNUNG RAJAH - “Mencabar Yang Ekstrem,” brought to you by Projek Hijo.

Race Information

 Event  Cabaran Gunung Rajah
 Date  28 October 2023 (Race Pack Collection / 11.00am – 7.00pm)
   29 October 2023 (Prize Giving / 1.00pm – 2.00pm)
 Flag-Off Time  30KM (28 October 2023 / 9.00pm)
   30KM (29 October 2023 / 12.00am)
   17KM (29 October 2023 / 5.00am)
 Venue  Chamang River Recreational Forest
 Distance  17KM Challenge, 30KM Extreme
 Format  Self-Support

** Please note that race information will be updated on the official SIRI CABARAN GUNUNG social media accounts (Facebook & Instagram) from time to time. Read all the information provided. Please follow the social media accounts so as not to miss the latest announcements.

Registration Period / Fee


17KM Challenge Solo

17KM Challenge Duo

30KM Extreme Solo

30KM Extreme Duo

  Early (10/4 - 30/6) RM160 RM310 RM190 RM370
  Normal (1/7 - 30/9) RM210 RM410 RM250 RM490

 **Fees included permit from Pejabat Hutan Daerah Bentong
 **Returning runners (Cabaran Gunung Nuang participants) will receive and additional 10% discount (system will detect your ID)

Event Schedule

 Description Category  Cut-Off Time  Time  Remarks
 28 October 2023 (Saturday)
 Race Pack Collection 17K & 30K    10.00am-7.00pm  Chamang River Recreational Forest
 Meal Before Event 17K & 30K    5.00pm-6.00pm  Chamang River Recreational Forest
 Flag-Off Time 30K 18 hours  9.00pm  Chamang River Recreational Forest
 29 October 2023 (Sunday)
 Flag-Off Time 30K 12 hours  12.00am  Chamang River Recreational Forest
 Flag-Off Time 17K 10 hours  5.00am  Chamang River Recreational Forest
 Cut-Off Time 30K 12 hours  12.00pm  Chamang River Recreational Forest
 Cut-Off Time 17K & 30K 10/18 hours  3.00pm  Chamang River Recreational Forest
 Prize Giving 17K & 30K    1.00pm-2.00pm  Chamang River Recreational Forest
 Meal After Event 17K & 30K    12.00pm-4.00pm  Chamang River Recreational Forest

  1. The schedule is subject to change when deemed necessary by the organizer.
  2. Inspection of mandatory items will be carried out during the RPC and randomly throughout the race.
  3. Always follow the instructions from the crew.
  4. All items at the baggage counter must be picked up by showing the race bib at the latest at 4.30pm (29 OCTOBER 2023) either by the participant himself or a representative. Any item not picked up after 4.30pm can/will be disposed of. The organizer will not be responsible for any loss or damage to any item at the baggage drop off counter.

Online Registration/Rules

  1. All participants must register online by providing their name, ID/passport number, gender, contact number, email address and emergency contact details.
  2. After successful registration, each participant will receive a confirmation slip via email. The confirmation slip serves as the only valid proof of registration. All participants are required to submit a confirmation slip and, or their respective identification cards and; or passport during REPC.
  3. This event is open to participants aged 18 and over. Age is calculated based on 28 OCTOBER 2023.
  4. The organizer will immediately disqualify any participant, if these rules are not strictly followed.
  5. Runners are not allowed to be supported by any Third Party or race participants, other than at the Checkpoint provided by the organizers along the race track.
  6. If you withdraw from the race, you must report to the nearest checkpoint. This will ensure that you will be safely removed from the race and brought back to the finish line.
  7. If you need First Aid assistance on the track, you must contact the emergency number that will be given to you during the REPC 28 OCTOBER 2023, as set out in the EVENT GUIDE shared before the race weekend or meet the nearest crew.
  8. You must always carry your own mandatory equipment during the race. Random gear checks will be conducted during the race. Runners without mandatory items will not be able to continue, until they arrange for the missing item to be replaced.
  9. You must obey the instructions given by the checkpoint officials, or officials on the track and withdraw from the race if you miss any Cut-Off time at the checkpoint.
  10. Throwing garbage carelessly is strictly prohibited. Please dispose of all trash in the zip lock bag you bring.
  11. Do not leave any human waste on the race track. If you need to poop, get off the track and "Leave No Trace".
  12. You must obey any signs and information markers along the race track if any.
  13. The organizer reserves the right not to punish behaviour that is considered inappropriate and unsportsmanlike.


Distance Category Age Limit Cut-Off Time Limit
 30K Extreme
 Real Distance 27.5KM
Men's & Women's Open
Veteran Men & Women
Duo Open
18 – 39
40 & above
18 & above
Options of 12 or 18 hours 150
 17K Challenge
 Real Distance 17.2KM
Men's & Women's Open
Veteran Men & Women
Duo Open
18 – 39
40 & above
18 & above
10 hours 150

 **Duo Open can be male-male, female-female or mix of gender.


Category Raja Gunung
 30K Extreme Raja Gunung Tee + Sponsor Prize
Category First Second Third
 30K Extreme Sponsor Prize + Trophy Sponsor Prize + Trophy Sponsor Prize + Trophy
 17K Challenge Sponsor Prize + Trophy Sponsor Prize + Trophy Sponsor Prize + Trophy

**If the participation exceeds 300 participants, prizes will be given to the first to fifth place winners.

Runner's Entitlements

Description 17K Challenge 30K Extreme
 Race Bib Yes Yes
 Timing Chip Yes Yes
 Event Tee Yes Yes
 Finisher Tee No Yes
 Finisher Medal Yes Yes
 E-Certificate Yes Yes
 Meal Before Race Yes Yes
 Meal After Race Yes Yes
 Personal Insurance & Public Liability Yes Yes

Event Tee

  • All participants will receive event shirts.
  • This shirt is also open for pre-order at a price of RM39/pc. Self-collect at REPC. Postage WM +RM8, EM +RM13. Delivery starts November 1, 2023.
  • Participants are advised to refer to the size chart and choose their size carefully to avoid any sizing issues.
  • No exchange will be allowed after registration confirmation.

Cabaran Gunung Rajah 2023

Cabaran Gunung Nuang 2023

Finisher Medal

Finisher Medals will only be awarded to runners who finish the race within the designated time.
Registered participants who do not show up in person on Race Day will be disqualified and will not be eligible for a finisher's medal.

Cabaran Gunung Rajah 2023

Finisher Tee

The finisher's shirt will only be given to 30KM participants when they finish the race within the set time.
Participants are advised to refer to the size chart and choose their size carefully to avoid any sizing issues.
No exchange will be allowed after registration confirmation.

Designs will be uploaded on our social media accounts later.

Cabaran Gunung Rajah 2023

Mandatory Items

Mandatory gear checks will be carried out during the REPC and randomly during the race.
Any runner who fails to comply with the list below will be penalized.
Any decision made is at the discretion of the promoter and is final.

Description 17K Challenge 30K Extreme Penalty Notes
 Hydration Bag / Water Bag 1.5L 2L DQ Automatic Removal
 Gels/Energy Bars 2 Packs 4 Packs DQ Automatic Removal
 Head Lamp Yes Yes DQ Automatic Removal
 Second Head Lamp No Yes 30 Minutes  
 Emergency Blanket 2 Units Yes Yes DQ Automatic Removal
 Waterproof/Windproof Jacket Yes Yes 30 Minutes  
 Whistle Yes Yes 30 Minutes  
 Hand Phone (GPX & Emergency) Yes Yes DQ Automatic Removal
 Basic First Aid Pack Yes Yes 30 Minutes  
 Shoes Yes Yes DQ Automatic Removal
 Ziplock Bags for Garbage Yes Yes 15 Minutes  

Race Bib

  1. Participants must wear their bib number on the front.
  2. Defacing the race bib in any way (eg, obscuring/removing sponsor identification) will result in your disqualification. The organizer will immediately disqualify any participant, if these rules are not strictly followed.
  3. Participants without a race bib on the day of the event will not be allowed to start the race.
  4. Anyone found competing with someone else's race bib other than their own will be disqualified, and possibly banned from the event for a period of time.
  5. Organizers oppose illegal transfer of bibs. Any transfer must be notified and authorized by the organizer. This is to ensure that in the event of an incident, the right person is contacted and the right treatment given in some cases.

Start / End / Route Map / Checkpoints (CP)

30KM Extreme

Cabaran Gunung Rajah 2023
Real Distance : 27.5KM
Highest Point : 1,685m (KM13.68)

17KM Challenge

Cabaran Gunung Rajah 2023
Real Distance : 17.2KM
Highest Point : 1,685m (KM8.64)

*Distance and route may change depending on safety and other factors.

Cut Off Time

(18 hours)
(28 October 2023)
(3 hours)
(5 hours)
(8 hours)
(18 hours, 29 October 2023)
(12 hours)
(29 October 2023)
(2 hours)
(3 hours)
(6 hours)
(12 hours, 29 October 2023)
(10 hours)
(29 October 2023)
(3 hours)
- - 3.00pm
(10 hours, 29 May 2023)


** Cut-Off Time subject to change
** The difference of 12 and 18 hours for the 30KM category group is the start time and cut-off time only.
** 12 & 18 hours are the same category, no separate prizes.
** For DUO participants, time is counted when the last participant crosses the finish line.

Format: Self Support

You need to bring your own hydration bag, food pack, all mandatory gear and be able to take care of yourself throughout this race.

Support assistance will be at each checkpoint and by nearby sweepers/crews.


Sweeper will be behind you all the time. If you are the last person, do not be afraid and worry. Always stay on track. Someone will be there for you. No one will be left behind.

Support Crew

Support crews are absolutely not allowed in this race.

Road Markers

Road markers and blinkers will be installed at several points along the route to guide participants.

GPX & Race Guide

GPX file is Mandatory. The GPX file & Race Guide will be released a week before the event.

Refunds, Transfer & Upgrade

If you are no longer able to enter the race, please refer to 'Refund Terms' and 'Entry Transfer' below to check your available options.

Refund Policy
No refunds will be made once you have successfully registered.

Admission Transfer, Category Upgrading/Downgrading
Check out Checkpoint Spot Marketplace soon. A processing fee of RM30 will apply.

Race Pack Collection (REPC)

Date: 28 October 2023, Saturday
Venue: Chamang River Recreational Forest
Time: 11.00am-7.00pm

Documents Required for REPC
  • Confirmation slip - we encourage paperless distribution. Therefore, the confirmation slip displayed via mobile/smartphone at the REPC counter is sufficient.
  • Participants can also submit their Identity Card (Malaysia) or Passport along with a confirmation slip for verification during the REPC.
  • Please note that race entry packs will not be issued on the day of the event unless the organizers are notified in advance. This is to ensure that there is no interference with race preparations.
  • Please note that registered participants are required to take their own Race Entry Pack. You are not allowed to pick up a Race Entry Pack on behalf of another runner.

Release and Liability Form

Please print and bring a copy of the Release and Liability Form during the REPC. Failure to bring this form, you will be charged RM2.00/copy for Printing Fee.

Malay Version - Download here
English Version - Download here

Insurance Coverage

All runners are covered by Personal Accident Insurance.

Class of Insurance: Personal Accident Insurance
Insurance Period: 28-29 October 2023

Accidental Death: RM10,000.00 or
Personal Disability: RM10,000.00

How To Go To the Venue

If you use Google Maps or Waze, please search for CHAMANG RIVER RECREATIONAL FOREST

Event Organizer

Laman Website:
Facebook: Projek Hijo / Siri Cabaran Gunung
Instagram: @projekhijo / @siricabarangunung
Whatsapp: +6018-310 1771