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General overview of grades

This ladder is not yet attributed to a specific organisation. Federations differ in belt colours and time requirements.

Muay Lerdrit is the traditional military close-quarters combat system of the Royal Thai Army elite units. The 5-phase structure (Nak Muay Lerdrit to Krai Lerdrit) measures rapid threat elimination in close-quarters using elbows, knees, joint breaks, and takedowns in full gear.

Phase 1 – Nak Muay Lerdrit (Recruit)

Nak Muay 1Rank #1

Typical gap since previous grade: 3 monthsestimate

Requirements & Focus

Open palm strikes, deadly elbows, and Thai Royal Guard combat stance.

Symbolism & Meaning

Entry to the elite close-combat system of the Thai Royal Army.

Phase 2 – Advanced Nak Muay

Nak Muay 2Rank #2

Typical gap since previous grade: 6 monthsestimate

Requirements & Focus

Clinch with headbutts, chokes, and neck breaks in close-quarter combat.

Symbolism & Meaning

Hardness and resilience needed to survive in the jungle and frontlines.

Phase 3 – Khru Lerdrit (Instructor)

Khru LerdritRank #3

Typical gap since previous grade: 24 monthsestimate

Requirements & Focus

Fluid elimination of armed enemies, knife and bayonet disarms.

Symbolism & Meaning

Instructor preparing special forces for the brutal reality of combat.

Phase 4 – Ajarn Lerdrit (Master)

Ajarn LerdritRank #4

Typical gap since previous grade: 48 monthsestimate

Requirements & Focus

Tactical command, instinctive invisible strikes to visual and nerve centers.

Symbolism & Meaning

Ajarn = Highly respected master of the Thai Military Academy.

Phase 5 – Krai Lerdrit (Grandmaster)

Krai LerdritRank #5

Typical gap since previous grade: 72 monthsestimate

Requirements & Focus

Authority approving forms for Thai national army. Keeper of secret military tactics.

Symbolism & Meaning

Supreme protector of the kingdom with absolute destruction of any threat.