Mich. Admin. Code R. 339.201 - Weight classifications for contestants

Rule 201.

(1) The department may refuse to permit a contest in which the contestants are not fairly matched. In determining if contestants are fairly matched, the department shall consider the following factors:

(a) The win-loss record of the contestants.

(b) The weight differential.

(c) The caliber of opponents.

(d) Each contestant's number of contests.

(e) Any other factor relating to a contestant's past conduct as a contestant, in this jurisdiction or another, that would reasonably give rise to concerns regarding the health and safety of the public or a contestant or contestants.

(2) Pursuant to section 54a(2)(e) of the act, MCL 338.3654a, boxing contestants shall be divided into the following classes, and there shall not be more than a 5-pound weight differential for contestants weighing up to 126 pounds, a 7-pound weight differential for contestants weighing 126.1 to 175 pounds, and a 15-pound weight differential for contestants weighing 175.1 pounds to 199 pounds. The weight differential applicable to the lowest weight contestant applies.

(a) Mini flyweight:	Up to and including 105 pounds.
(b) Light flyweight:	Over 105 pounds to 108 pounds.
(c) Flyweight:	Over 108 pounds to 112 pounds.
(d) Super flyweight:	Over 112 pounds to 115 pounds.
(e) Bantamweight:	Over 115 pounds to 118 pounds.
(f) Super bantamweight:	Over 118 pounds to 122 pounds.
(g) Featherweight:	Over 122 pounds to 126 pounds.
(h) Super featherweight:	Over 126 pounds to 130 pounds.
(i) Lightweight:	Over 130 pounds to 135 pounds.
(j) Super lightweight:	Over 135 pounds to 140 pounds.
(k) Welterweight:	Over 140 pounds to 147 pounds.
(l) Super welterweight:	Over 147 pounds to 154 pounds.
(m) Middleweight:	Over 154 pounds to 160 pounds.
(n) Super middleweight:	Over 160 pounds to 168 pounds.
(o) Light heavyweight:	Over 168 pounds to 175 pounds.
(p) Cruiserweight:	Over 175 pounds to 200 pounds.
(q) Heavyweight:	Over 200 pounds.

(3) Pursuant to section 54a(2)(e) of the act, MCL 338.3654a, mixed martial arts contestants shall be divided into the following classes, and there shall not be more than a 3-pound weight differential for contestants weighing up to 155 pounds and a 5-pound weight differential for contestants weighing 155.1 pounds up to 205 pounds. The weight differential applicable to the lowest weight contestant applies.

(a) Atomweight:	Up to and including 105 pounds.
(b) Strawweight:	Over 105 pounds to 115 pounds.
(c) Flyweight:	Over 115 pounds to 125 pounds.
(d) Bantamweight:	Over 125 pounds to 135 pounds.
(e) Featherweight:	Over 135 pounds to 145 pounds.
(f) Lightweight:	Over 145 pounds to 155 pounds.
(g) Super lightweight:	Over 155 pounds to 165 pounds.
(h) Welterweight:	Over 165 pounds to 170 pounds.
(i) Super welterweight:	Over 170 pounds to 175 pounds.
(j) Middleweight:	Over 175 pounds to 185 pounds.
(k) Super middleweight:	Over 185 pounds to 195 pounds.
(l) Light heavyweight:	Over 195 pounds to 205 pounds.
(m) Cruiserweight:	Over 205 pounds to 225 pounds.
(n) Heavyweight:	Over 225 pounds to 265 pounds.
(o) Super heavyweight:	Over 265 pounds.

Notes

Mich. Admin. Code R. 339.201

2005 AACS; 2009 AACS; 2016 AACS; 2019 AACS; 2023 MR 6, Eff. 3/21/2023