LOS ANGELES NATURAL MUSCLE MAYHEM

PRO BIKINI & PRO MEN'S PHYSIQUE
ALL AMATEUR CATEGORIES

EVENT ELIGIBILITY

This competition and WNBF organization is open to all amateur athletes who have not at any time during the 10 years prior to this event engaged in the personal use of anabolic steroids, growth enhancing drugs, peptides, and other substances like SARM’s products, Pro-hormone compounds, and many other banned substances on the WADA Prohibited list.  It is the athlete’s sole responsibility to check all supplement ingredients prior to purchasing them!

PLEASE DO NOT show up to your polygraph examination without reading the banned substance list, or disclosing any concerning supplement or drug history with us.  This policy is for your protection!

CLICK TO READ THE BANNED LIST HERE

PRO AM INFO

  • AUGUST 2, 2025
  • All Pro's Qualify For Worlds
  • WNBF Pro Qualifier
  • Amateur Worlds Qualifier - Top 3 in Open & Masters Qualify

PRO CATEGORIES

  • All Pros Must Be Current Members
  • PRO BIKINI
  • PRO MEN'S PHYSIQUE
  • Entry Fee $250

AMATEUR CATEGORIES & DIVISIONS

  • Bikini
  • Figure
  • Women's Fit Body
  • Men & Women Bodybuilding
  • Wheelchair Bodybuilding
  • Classic Physique
  • Men's Physique
  • Teen (15-19)
  • Junior (20-23)
  • Masters (40, 50, 60+)
  • Debut (First time on stage ever)
  • Novice (Little to no experience)
  • Open

HEIGHT & WEIGHT CUTOFFS

Women Open Bodybuilding – One Class

Men Open Bodybuilding

Lightweight – under 165
Middleweight -165 ¼ to 185
Heavyweight – 185 ¼ & Over

Novice Bodybuilding
TBA

* Wheelchair Bodybuilding *
1 Class

Fit Body
1 Class

Bikini and Men’s Physique
TBA

Promoter may adjust classes based upon number of entries

Event Location

Louise K Taylor Theater
Monrovia High School
845 W. Colorado Blvd
Monrovia, CA 91016

2024 INBF WNBF LA Natural Muscle Mayhem Venue Louise K Taylor Performing Arts Theater Monrovia CA

Dream tan & messy oil based
tanning products are not permitted

POLYGRAPH TESTING

  • This drug-free event is polygraph and urine tested. Polygraph fees are due at the time of your test which will occur the week of the show. Entering early gives you preference in scheduling your test.
  • $80 Due at Check In

MEMBERSHIP

ENTRY FEES

  • $125 First Division
  • $75 Each Additional Crossover
  • NO LATE ENTRIES

HOST HOTEL

WNBF LA Natural Muscle Mayhem Host Hotel

EMBASSY SUITES BY HILTON
ARCADIA/PASADENA AREA

Click For Group Code Here

Booking Deadline July 3

Phone: 626-205-3732
211 East Huntington Drive
Arcadia, CA 91006

COMPETITOR SERVICES

Purchase Here

Make Up & Hair By Magaly

Hair and Make Up by Maggie WNBF LA Natural Muscle Mayhem Makeup and Hair Vendor

Bodybuilding & Classic Physique Posing Music

  • MP3 Audio Files Only
  • Pre Cut 60 Seconds
  • No Profanity
  • Use Your Name As The File Name
  • Cutoff Is Wednesday Before The Show
  • BIKINI, FIGURE, AND MEN'S PHYSIQUE ATHLETES WALK TO HOUSE MUSIC

STAGE WALK

WNBF LA Natural Muscle Mayhem Stage Walk

TICKETS

Straight Through Event Format

Awards Follow Pre-Judge

Event Starts: 9:30

A Schedule of Categories Will Be Announced

All Day Ticket – $60

Available at Athlete Check In

Payable at the Door

PROMOTERS

Tina Smith and Bob Bell
(916) 396-0909
Email us via our contact page

2023 INBF LA Natural Muscle Mayhem Overall Bodybuilding Champion Andrew Lim Bob Bell Tina Smith Awarding

PLEASE SUPPORT OUR SPONSORS!

OVER 25 YEARS OF MAYHEM

INBF-WNBF-California-Natural-Muscle-Mayhem