The 2012 Arnold Amateur Championships were held in Columbus, Ohio on March 3rd. In men's bodybuilding, Stefan Havlik from Slovakia placed first in the over 100kg category and overall. Olga Puzanova from Russia placed first in women's bodybuilding over 55kg and overall. The document provides the placements and countries of competitors in each weight category for men's and women's bodybuilding events.

1. 2012 ARNOLD AMATEUR CHAMPIONSHIPS
COLUMBUS, OHIO, USA – MARCH 3RD, 2012
MEN’S BODYBUILDING RESULTS
MEN'S BODYBUILDING UP TO 70 KG
PLACE No. Competitor Country
1 536 ILYA NAZIN Russia
2 542 MILFI ALGHAMDI Saudi Arabia
3 532 LEE LAP CHIN Hong Kong
4 540 JOSE CARLOS SANTOS Brazil
5 541 LUCIANO KARIM Brazil
MEN'S BODYBUILDING UP TO 75 KG
PLACE No. Competitor Country
1 558 ROMAN CORTUNA Philippines
2 556 FRANCISCO DE ASSIS Brazil
3 561 BADER SULTAN Bahrain
4 559 MARTIN DE LA CRUZ Peru
5 560 KEVIN GAN Philippines
MEN'S BODYBUILDING UP TO 80 KG
PLACE No. Competitor Country
1 588 MAHMUT IRMAK Turkey
2 589 MUNEER ALJASSAS Saudi Arabia
3 580 LUIZ SARMENTO Brazil
4 582 CHRIS JONES U. Kingdom
5 573 MASASHI SUZUKI Japan
MEN'S BODYBUILDING UP TO 85 KG
PLACE No. Competitor Country
1 599 CHARLES SOARES Brazil
2 603 IGDIR CENGIZHAN Turkey
3 597 ISAAC ALVES Brazil
4 607 AHMED RASLAN Egypt
5 604 MARK GRECH Australia
MEN'S BODYBUILDING UP TO 90 KG
PLACE No. Competitor Country
1 621 JOSE BUSTAMANTE Venezuela
2 631 ENAD ALHARBI Saudi Arabia
3 630 BRIAN HART USA
4 632 JON GRIFFITH Un. Kingdom
5 617 TONY SEARLE Canada

2. MEN'S BODYBUILDING UP TO 100 KG
PLACE No. Competitor Country
1 645 STEFAN HAVLIK Slovakia
2 639 OLEKSANDR SLOBODYANYUK Ukraine
3 649 MIHA ZUPAN Slovenia
4 640 IGOR VYBORNOV Russia
5 638 PAOLO FONTANA Italy
MEN'S BODYBUILDING OVER 100 KG
PLACE No. Competitor Country
1 664 DALIBOR HAJEK Czech Rep.
2 673 ALIAKSEY SHABUNIA Belarus
3 672 DANIEL TOTH Hungary
4 662 SERGEY BAZAROV Russia
5 661 DAVID TITTERTON Un. Kingdom
OVERALL: STEFAN HAVLIK (SLOVAKIA)
WOMEN’S BODYBUILDING RESULTS
WOMEN'S BODYBUILDING UP TO 55 KG
PLACE No. Competitor Country
1 445 LO KIT MING Hong Kong
2 447 WANDA KEELER USA
3 446 CHRISTINE ZADEL Australia
WOMEN'S BODYBUILDING OVER 55 KG
PLACE No. Competitor Country
1 462 OLGA PUZANOVA Russia
2 461 FEDERICA GASTALDI Italy
3 463 GIANNI ALMEIDA Brazil
4 469 MARIA PENTEADO USA
5 460 MAUREEN DONLEVY USA
OVERALL: OLGA PUZANOVA (RUSSIA)