ENTRY RULES
Sales period : November 1, 2025, at 10:00 AM (GMT+7): The first 48 hours are ONLY for runners with a valid
November 3, 2025, at 10:00 AM (GMT+7): General registration will open from this time onwards.
Payment Reminder: Payment must be completed within 72 hours; otherwise, the application will expire, and the spot will be forfeited.
Minimum age : Anyone born in 2006 or before may register to race BETONG100M, TUNNEL 100K, JUNGLE 50K, MIST 20K Anyone born in 2013 or before may register to race FLOWER 20K
Age categories :
| BETONG100M | TUNNEL 100K | JUNGLE 50K | MIST 20K | FLOWER 20K | |
|---|---|---|---|---|---|
| 13-19 | - | - | - | - | yes |
| 20-34 | yes | yes | yes | yes | yes |
| 35-39 | yes | yes | yes | yes | yes |
| 40-44 | yes | yes | yes | yes | yes |
| 45-49 | yes | yes | yes | yes | yes |
| 50-54 | yes | yes | yes | yes | yes |
| 55-59 | yes | yes | yes | yes | yes |
| 60-64 | yes | yes | yes | yes | yes |
| 65-69 | yes | yes | yes | yes | yes |
| 70-74 | yes | yes | yes | yes | yes |
| 75-79 | yes | yes | yes | yes | yes |
| 80-84 | yes | yes | yes | yes | yes |
| 85+ | yes | yes | yes | yes | yes |
Experience : To register to the Amazean Jungle Thailand by UTMB®, for safety reasons, runners shall have experience equivalent to :
- 50K: valid UTMB index in the categories 20K or 50K or 100K or 100M
- 100K: valid UTMB index in the categories 50K or 100K or 100M
- 100M: valid UTMB index in the categories 100K or 100M
More information about UTMB sport system, race categories and UTMB index, please see (https://utmb.world/sports-system) (https://utmb.world/utmb-index)
Elite Runners : In order to give fair recognition to high level athletes and to ensure a fair management of entry applications, we reserve places for elite athletes according to their Performance Index in the category of the race they chose to compete. Elite runners must register during the registration period. No registration will be accepted after the deadline.
If the distance is lottery based, the elite runners must register at the same time as other athletes.
Once a distance is sold out, the event organizer has the right to refuse an elite registration.
All elites must register to a race at least 60 days before the race.
| Men | Women | ||||||||
| 50K | 100K | 100M | 50K | 100K | 100M | ||||
| Direct and free entry | 850 | 820 | 800 | 710 | 690 | 650 | Or Top3* runners of their countries | ||
| Direct and paid entry Region 2 | 710 | 660 | 580 | 560 | 520 | 450 | |||
Runners meeting the criteria may benefit from the above registration conditions. They shall contact the organizer by filling form at https://bit.ly/TUTMB_ELITE_APPLY in order to obtain a discount code which can then be entered when registering in the normal way.
| Race | Tier 1 | Tier 2 | Tier 3 |
|---|---|---|---|
| BETONG 100M | 8,000 THB | 9,200 THB | 10,000 THB |
| TUNNEL 100K | 6,000 THB | 6,900 THB | 7,800 THB |
| JUNGLE 50K | 3,500 THB | 4,000 THB | 4,500 THB |
| MIST 20K | 2,000 THB | 2,200 THB | 2,400 THB |
| FLOWER 20K | 1,000 THB | 1,100 THB | 1,200 THB |
Note : Approximately 38 baht is equivalent to 1 Euro
An additional 6% administration fee will be charged. Those administration fees are not refundable in case of cancelation.
WHAT IS INCLUDED
- Race Bib
- Participation gift (T-shirt and goodie bag/spare bag)
- Accident Insurance (10,000 Baht for injury, 100,000 Baht for loss of life)
- Access to aid stations
- Transport of the spare bags (depending on the distance)
- Medical assistance
- Finisher gift (Finisher medal and T-shirt or hoodie, except FLOWER 20K)
- After race services : hot meal, massage, rest room, etc.
a) To another runner :
Registration is personal. However, it is possible to transfer a registration to someone else until 31 March 2026 provided that the runner who will benefit from the registration transfer also meets the entry conditions listed above. The original registration will not be refunded and a 500 Baht transfer fee be charged to the new runner who will have to register at the website www.runningconnect.com
b) To another race of the same event : It is possible to transfer a registration to a shorter distance until 31 March 2024 and in the limit of places available. In this case, no refund will be made.
It is also possible to ask to transfer a registration to a longer distance but the request will not be automatically accepted and will be at the discretion of the race director.
Transfers are only available if the new distance is not sold out.
Cancellations, distance changes, and runner transfers must be requested in the following order :
• Login www.runningconnect.com
• Go to “My Applied Event”
• View detail of your desired order
• Go to “Refund/Transfer”
a) Registration cancellation insurance
The purpose of this cancellation insurance is to allow the runners to be fully reimbursed of the registration fee if they wish to cancel their registration for the reasons :
• Serious illness, serious injury or death of the runner or a member of their family
• Pregnancy of the registered runner
• Public transport failure/flight disruption
• Adverse weather
• Theft of travelling documents
• Armed forces & emergency services recall
• Relocated for work
• Changes to examination dates
Cancellation insurance fees : 500 baht per race (Approx. 15€)
Cancellation insurance must be taken out at the time of registration.
b) Refund without insurance :
If the runner does not subscribe to the insurance, no refund will be possible.
Read the entire policy here: https://utmb.world/inclusion
You can contact the organizer to benefit a deferral depending on the conditions listed in the link above.