This event is set to showcase a series of Elite Tournaments, featuring the highly anticipated Adult Elite Tournament, the U24 Elite Tournament, and the Youth Elite Tournament. Winners in these categories will secure their spot on the prestigious USA National Adult, U24, and Youth Teams.
Athletes will have the opportunity to qualify for the following international events:
- Invitational Senior World Championships: May 6 - 16 | Kuala Lumpur, Malaysia
- Senior World Championships: September 1 - 11 | Peja, Kosovo
- Pan American Championships: October 17 - 18 | Montevideo, Uruguay
- Youth World Championships: November 1 - 10 (TBC) | Greece
Our commitment to supporting Muaythai athletes at every level continues with the inclusion of the Adult Intermediate & Adult Novice Tournaments. These divisions provide a crucial platform for athletes to refine their skills and gain valuable experience. The Youth Novice Tournament will also return, allowing young athletes to shine and grow within the sport. This year, we are also excited to introduce the Youth 8-9 Open Class.
Each division will be limited to 8-athlete brackets, and the event will be capped at 500 total athletes. Additionally, the Grand Nationals will feature educational seminars with surprise guests sharing expert insights on the unified international rule set.
Important
Please review all of the following details before registering.
Dates & Locations
- Check-In: March 26, 2026 - 3:00 PM to 6:00 PM ET at the Host Hotel.
- Competition Dates: March 27-29, 2026 at the Chase Center on the Riverfront.
- Weigh-Ins & Doctor Pre-Bout Exams: Daily at 6:00 AM at the Host Hotel.
Event VenueChase Center | Host Hotel (Attached)The Westin Wilmington |
Room Block
Airports
Recommended: Philadelphia International Airport (PHL) - 30 min drive
Nearby: Newark Liberty International Airport (EWR) - Approx. 1.5 hour drive
2026 Age Groups & Eligibility
Division eligibility is determined by the Year of Birth. All ages are calculated based on how old the athlete will be on the reference date of December 31, 2026.
| Division | Year of Birth | Age (as of 12/31/2026) |
|---|---|---|
| U10 | 2017 – 2018 | 8 to 9 years old |
| U12 | 2015 – 2016 | 10 to 11 years old |
| U14 | 2013 – 2014 | 12 to 13 years old |
| U16 | 2011 – 2012 | 14 to 15 years old |
| U18 | 2009 – 2010 | 16 to 17 years old |
| U24 | 2003 – 2008 | 18 to 23 years old |
| Elite | 1986 – 2008 | 18 to 40 years old |
Division Info
Use the following criteria to determine your division. For exceptions, email memberships@usamuaythai.sport.
You must make weight each morning you fight, with no allowance.
Number of Bouts
Total bouts include mat-style, smokers, interclubs, exhibitions, or any amateur bout with an official result.
Eligibility
Winners of a Novice division tournament are no longer eligible for Novice.
| Class | Male Bouts | Female Bouts |
|---|---|---|
| Youth Open Class | No Restrictions | No Restrictions |
| Youth Novice | 0-5 | 0-5 |
| Youth Elite | 6+ | 6+ |
| Senior Novice | 0-5 | 0-5 |
| Senior Intermediate | 6-14 | 6-11 |
| U24 Elite | 10+ | 8+ |
| Senior Elite | 15+ | 12+ |
National Team Qualifying Divisions
- U12 Open Class
- U14 Elite
- U16 Elite
- U18 Elite
- U24 Elite
- Senior Elite
Registration Info
ALL ATHLETES, COACHES, AND OFFICIALS MUST HAVE A CURRENT USA MUAYTHAI MEMBERSHIP.
Athletes must have at least one coach. Ensure all certifications are updated in your profile.
Required Certifications:
- Ages 8-15: Birthdate Verification, Physical, & Parental Consent.
- Ages 16-17: Birthdate Verification, Physical, Combative Trio Bloodwork & Parental Consent.
- Ages 18-40: Birthdate Verification, Physical, & Combative Trio Bloodwork.
Deadlines & Forms:
Fees & Policy
| Date Period | Fee |
|---|---|
| Early Bird | $109 |
| Starts 12/15/2025 | $139 |
| Starts 02/15/2026 | $169 |
Weight Class Transfer Fee
Transfer fees are $25, increasing to $50 on 02/15/2026.
- Bracket Consolidation: Begins 03/01/2026
- Registration Closes: 03/15/2026
- Coaches Fee: $25
- Officials: Free
Refund Policy
Registration is non-refundable except for:
- Withdrawal by 02/26/2026.
- Withdrawal with a valid doctor's note.
- Empty divisions after closure.
*All refunds incur a $5 processing fee. Membership fees are non-refundable.*
Competition Rules
Single-elimination. Weigh-ins daily at 6:00 AM.
| Division | Round Time | Allowed Techniques |
|---|---|---|
| U10 & U12 | 3 x 1 Min | No head strikes. |
| U14 | 3 x 1.5 Min | Head punches/kicks. No knees/elbows to the head. |
| U16 & U18 | 3 x 2 Min | Head punches/kicks/elbows. No knees to the head. |
| Senior Novice | 3 x 2 Min | Head punches/kicks/elbows. No knees to the head. |
| Senior Intermediate | 3 x 3 Min | Head punches/kicks/elbows. No knees to the head. |
| Senior & U24 Elite | 3 x 3 Min | Full Muay Thai rules. |
(1-minute rest periods between all rounds)
Unopposed Athletes
Options if you are alone in your bracket:
- Move weight class.
- Catchweight or experience level shift.
- Exhibition match.
Performance is required for national team qualification. If no options are accepted, a refund will be issued.
