Preface and Acknowledgments
The IFMA & AMTAT have given sole permission to the USMTA (United States Muay Thai Association) & the AMTJRA (American Muay Thai Judge and referee Association) official International representatives of the IFMA & AMTAT to produce the rules and regulations.
THE UNITED STATES MUAY THAI ASSOCIATION (C)
Member of the World Muay Thai Council - World Amateur Muay Thai Organization
OFFICIAL RULES AND REGULATIONS
Suite #1K, 6535 Broadway, New York, N.Y. 10471 U.S.A.
Rules & Regulations of Muay Thai Accordance With The USMTA
Item 1: THE RING.
1.1. Size: A square with each side the following dimension: Small size 20-feet (6.10 meters); Large size-24-feet (7.30 meters), to be measured within the ropes.
1.2. Floor and Corner: Must be well constructed with no obstructions and with a minimum extension outside the ring of at least 3 feet (91 cm). The minimum floor height should be 4 feet (1.22 meters) with a maximum of 5 feet (1.48 meters) from the building floor. The corner posts should have a diameter of between four (10.00 cm) to five inches (12.70cm) with a height of 58 inches (1.47 meters) from the ring floor. All four posts must be properly cushioned.
1.3. Ring Floor: The floor must be padded by either cushioning, rubber, soft cloth, rubber mat, or similar material with a minimum thickness of 1 inch (2.50 cm) and a maximum of 1.5 inch (3.7 cm). The padding should be completely covered by a canvas cloth.
1.4. Ropes: Consisting of four ropes with a minimum diameter of 1.20 inches (3 cms) and a maximum of 2 inches (5 cms), stretched and linked to the four corner posts. The distance from the ring floor to the lower rope will be 18 inches (46 cm), to the 2nd rope 30 inches (76 cm), to the 3rd rope 42 inches (107 cm) and the top rope 54 inches (137 cm) respectively. The rope will be covered by a soft or cushioned material . Each rope will be joined together by two strong cords of 1.20-1.60 inches (3-4 cms) diameter and are at equal distance from each other.
1.5. Ring Steps: At least three (3) sets are required. The width of each step should be at least 3.50 feet (1.07 metres). One set is located at each corner and a third shall be positioned centrally for the doctor and other officials.
1.6. Plastic Bin: To be located at the fighter's corner for the disposal of tissues, bandages or any other garbage.
Item 3: BOXING GLOVES
Gloves at 12 oz, 14oz, 16oz, 18oz can be used for higher weights.
Item 5: DRESS CODE
5.4. The Mongkol should be worn when performing the Wai Kru (paying respect to one's teacher), prior to the match start. Arm bands are only to be worn on the arm
5.5. Single elastic bandages are allowed to be worn on the arm or legs to prevent sprains, however insertion of a shin guard, etc, is not allowed.
Item 6: CLASSIFICATION OF WEIGHT DIVISIONS
2. Junior Flyweight 108 lbs (48.988 kg.)
3. Flyweight 112 lbs (50.802 kg.)
4. Junior Bantamweight 115 lbs (52.163 kg.)
5. Bantamweight 118 lbs (53.524 kg.)
6. Junior Featherweight 122 lbs (55.338 kg.)
7. Featherweight 126 lbs (57.153 kg.)
8. Junior Lightweight 130 lbs (58.967 kg.)
9. Lightweight 135 lbs (61.235 kg.)
10. Junior Welterweight 140 lbs (63.503 kg.)
11. Welterweight 147 lbs (66.638 kg.)
12. Junior Middleweight 154 lbs (69.853 kg.)
13. Middleweight 160 lbs (71.575 kg.)
14. Super Middleweight 168 lbs (76.363 kg.)
15. Light Heavyweight 175 lbs (79.379 kg.)
16. Cruiserweight 190 lbs (86.183 kg.)
17. Heavyweight 190 lbs+ (86.183 kg.+)
18. Super Heavyweight 209 lbs+ (95 kg.+)
7.2. A Muay Thai match shall consist of five rounds, 3 minutes per round with a 2 minute break between each round. Any stoppage during the match for any reason, will not be counted as part of the 3 minute round time.
9.3. During the match, the seconds must stay in the designated area. Prior to the start of each round they will remove all towels, water bottles, out of the ring area.
The referee shall ensure the following:
2.3. If both boxers fall out of the ring, the referee shall start counting. If one boxer tries to prevent his opponent from returning to the ring before the count ends, he will be warned or disqualified.
Item 15: TIME KEEPER AND ANNOUNCER
Item 17: SCORING PRACTICE.
C. Method Of Scoring
Item 19: KNOCK DOWN.
A written review of the event to presented to the USMTA after all events. All documentation of the event to be collected by an USMTA official or forwarded to the USMTA head office.
Copyright © 1998 USMTA Inc. All rights reserved. Revised: December 24, 2012