2 BROS PRO EVENTS

COMPETING RULES

All athletes wishing to compete in any NPC Worldwide event will require NPC Worldwide membership 

https://www.npcworldwidemembership.com/system/

Rules for competing with 2Bros in 2025.

All information on the 2025 rules can be found on the following link https://www.ifbbpro.com/npc-worldwide-regional-and-pro-qualifier-rules/

Natural contest rules can be found on the following link https://www.ifbbpro.com/npc-worldwide/natural-contest-rules/


1. All open and natural regional shows are available for all athletes to compete in.

2. If you live in the UK, you must participate in a regional qualifier to fulfil your regional requirement before competing in a pro qualifier in the same year. The UK consists or England, Wales, Scotland and Northern Ireland.

3. International Athletes - If there are no regional qualifiers in your country prior to a pro qualifier internationally, you are able to register direct without participating in a regional qualifier. Although you must have competed in a regional qualifier in 2024 in your country of residence.

4. If you are competing in a natural event, athletes will be randomly selected to provide a urine sample on the day of the event.

5. Competing in a Pro Qualifier does not qualify you to compete in any other Pro Qualifier.

6. The class definitions for true novice and novice are all advisory class definitions. Juniors and Masters will be checked at registration and are strictly adhered to.

7. Each athlete is able to transfer to another show only once with an admin fee of £25.

8. You are able to add additional classes to your current registration by completing the online form again on the website ensuring you use the same details from your original registration so you are not charged for your stage glaze twice.

Class Definitions (effective 1st August 2023)

True Novice - An athlete who has never competed in a NPC bodybuilding competition.

Novice - An athlete who has never won an overall in the Open class.

Junior - An athlete who is 18 - 23 years old at the time of competing.

Masters +35 - An athlete who is 35 years and older at the time of competing.

Masters +40 - An athlete who is 40 years and older at the time of competing.

Masters +45 - An athlete who is 45 years and older at the time of competing.

Masters +50 - An athlete who is 50 years and older at the time of competing.

Open - This class is based on height / weight and is the only class which will proceed to the overall.

Natural Testing
List of Prohibited Drugs

Diuretics

Androstatrienedione
Bolasterone
Boldenone M1 (17B-hydroxy-5B-androst-1-ene-3-one)

Calusterone M1 (7B-17a-dimethyl-5B-androstane-3a,17B-diol)

Clenbuterol
Clostebol M1 (3a-hydroxy-4chloro-androst-4-ene-17-one)

Dehydrochloromethyl Testosterone (Turinabol)

Desoxymethyltestosterone
Dienolone
Drostanolone
Drostanolone M1 (3a-hydroxy-2a-methyl-5a-androstan-17-one)

Ethisterone

Fluoxymesterone M3 (9alpha-Fluoro-17,17-dimethyl-18-norandrosta-4,13-diene-11beta-ol-3-one)

Formebolone M1
Furazabol
Mesterolone
Mesterolone M1 (1alpha-Methyl-5alpha-androstan-3alpha-ol-17-one)

Mesterolone M2 (1alpha-Methyl-5alpha-androstane-3alpha,17beta-diol)

Methandienone

Methandienone M1 (17-epimethandienone)

Methandienone M3 (epimetendiol)

Methandriol
Methenolone

Methenolone M1 (1,1-Methylene-5alpha-androstan-3alpha-ol-17-one)

17a-methyl-5a-androstane-3a,17B-diol (Metabolite of oxymetholone, mestanolone and methyltestosterone)

17a-methyl-5B-androstane-3a,17B-diol (Metabolite of methandriol and methyltestosterone)

Methyl-drostanolone

Methylstenbolone

Methyl-1-testosterone

Methyltrienolone
Mibolerone
Nandrolone M1 (19-norandrosterone)

17a-ethyl-5B-estrane-diol (metabolite of ethylestrenol and norethandrolone)

Norbolethone M2
Oxabolone
Oxandrolone
Oxymesterone
Prostanazol
Stanozolol M1 (3-hydroxy stanozolol)

Stanozolol M2 (16β-hydroxy stanozolol)

Stenbolone

1-testosterone (5a-androst-1-ene-3b,17B-diol)

Tetrahydrogestrinone
Tibolone
17a-trenbolone

X-tren/dienedione (4,9-estradien-3,17-dione or 4,9(10)-estradien-3,17-dione)

2 BROS PRO EVENTS

2025 COMPETITIONS

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