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Heavyweight Boxing Rankings — May 2006

Official Heavyweight rankings for May 2006.

Presented as a historical snapshot for that month. Use the weight-class arrows to move up or down divisions, the month controls to jump between updates, and click any fighter's name to see their ranking history across the four organisations.

Division
Period
Org
RankWBAMay 2006WBCIBFMay 2006WBOMay 2006
🏆Russia flagNikolai Valuev
World Champion
Not available for May 2006
Ukraine flagWladimir Klitschko
Champion
Belarus flagSiarhei Liakhovich
Champion

1United States flagJohn Ruiz
Vacant
Germany flagLuan Krasniqi▲+1
2Uzbekistan flagRuslan Chagaev▲+3United States flagRay Austin▲+1Russia flagSultan Ibragimov▲+1
3United States flagCalvin Brock▲+1United States flagCalvin Brock▲+1Uzbekistan flagRuslan Chagaev▲+1
4United States flagJames Toney▼-1United States flagSamuel Peter▲+1United States flagJames Toney▲+1
5United States flagRay Austin▼-3United States flagSultan Ibragimov▲+1United States flagShannon Briggs▲+1
6Russia flagSultan Ibragimov
Vacant
Nigeria flagSamuel Peter▲+2
7United States flagLarry Donald
Vacant
Ukraine flagAlexander Dimitrenko▲+4
8United States flagShannon Briggs▲+2United States flagJames ToneyNEWUnited States flagLamon Brewster▼-1
9United States flagDavarryl WilliamsonUnited States flagLamon BrewsterNEWUnited States flagCalvin Brock
10United States flagMonte Barrett▼-2United States flagDavarryl Williamson▼-2United States flagChris ByrdNEW
11Nigeria flagSamuel PeterGermany flagLuan Krasniqi▼-2United Kingdom flagDanny Williams▼-1
12United States flagLamon BrewsterNEWUnited States flagShannon Briggs▼-1United States flagTony Thompson
13Ukraine flagVladimir Virchis▲+2United States flagMonte Barrett▼-3United Kingdom flagMatt Skelton
14United States flagDonnell Holmes▼-1Italy flagPaolo Vidoz▼-2United States flagDominick GuinnNEW
15Ukraine flagTaras BidenkoNEWUnited States flagKevin McBrideNEW

Source: WBA, WBC, IBF, WBO

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About the Heavyweight Division

Weight Limit: No upper limit (typically 200+ lbs / 90.7+ kg)

The Heavyweight division is boxing's most prestigious weight class, featuring the largest fighters in the sport. Historically, heavyweight champions have been among the most famous athletes in the world, with legendary figures like Muhammad Ali, Joe Louis, and Mike Tyson defining eras of boxing history.

Division Characteristics

Heavyweight boxers rely on power and size, with knockouts being more common than in lighter divisions. The division has no upper weight limit, allowing for a wide range of body types and fighting styles.

Notable Facts

The Heavyweight division has produced some of boxing's most iconic moments and biggest pay-per-view events. Modern heavyweights combine size, power, and athleticism in ways that previous generations couldn't match.

Historical Context

Heavyweight boxing has been a cornerstone of professional boxing since the sport's early days. The division has evolved significantly, with modern heavyweights being faster and more athletic than their predecessors while maintaining devastating power.

Learn more about how boxing rankings work or explore current world champions across all divisions.

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Month-over-month changes since April 2006

WBAMay 2006 vs April 2006

Biggest risers

  • UZ flag
    Ruslan ChagaevJumped from #5 to #2
    ▲+3
  • US flag
    Shannon BriggsNow ranked #8 (was #10)
    ▲+2
  • UA flag
    Vladimir VirchisFrom #15 to #13
    ▲+2

Biggest fallers

  • US flag
    Ray AustinDown 3 places to #5
    ▼-3
  • US flag
    Monte BarrettDown to #10 from #8
    ▼-2
  • US flag
    James ToneyDown one place to #4
    ▼-1

IBFMay 2006 vs April 2006

🏆

There is a new Champion: Ukraine flagWladimir Klitschko

Entered the top 10

  • US flag
    James ToneyEnters at #8
  • US flag
    Lamon BrewsterInto the top 10 at #9

Dropped out of the top 10

  • UA flag
    Wladimir KlitschkoOut of the top 10 after being #2
  • DE flag
    Luan KrasniqiDropped to #11
  • US flag
    Monte BarrettDown to #13

Biggest risers

  • US flag
    Ray AustinUp one spot to #2
    ▲+1
  • US flag
    Calvin BrockUp one spot to #3
    ▲+1
  • NG flag
    Samuel PeterUp one spot to #4
    ▲+1

Biggest fallers

  • US flag
    Monte BarrettDropped from #10 to #13
    ▼-3
  • US flag
    Davarryl WilliamsonFrom #8 to #10
    ▼-2
  • DE flag
    Luan KrasniqiDown to #11 from #9
    ▼-2

WBOMay 2006 vs April 2006

Entered the top 10

  • RU flag
    Alexander DimitrenkoClimbed from #11 up to #7
  • US flag
    Chris ByrdInto the top 10 at #10

Dropped out of the top 10

  • UA flag
    Wladimir KlitschkoOut of the top 10 after being #1
  • GB flag
    Danny WilliamsDropped to #11

Biggest risers

  • RU flag
    Alexander DimitrenkoImproved from #11 to #7
    ▲+4
  • NG flag
    Samuel PeterClimbed from #8 to #6
    ▲+2
  • DE flag
    Luan KrasniqiUp one spot to #1
    ▲+1

Biggest fallers

  • US flag
    Lamon BrewsterDown one place to #8
    ▼-1
  • GB flag
    Danny WilliamsSlipped a spot to #11
    ▼-1