Skip to main content
Boxing Rankings LogoBoxing Rankings Logo
Home
Latest RankingsWho Moved?Archives
World ChampionsChampions by Nation
Boxers A–ZRanked by NationCountriesSearch
About UsOrganizationsHow Rankings WorkMethodologyFAQContactData correctionsTermsPrivacy Policy

About Box-Rank

Box-Rank compiles and presents the latest rankings from major sanctioning bodies and independent ratings sources in a clear and easy-to-navigate format. Learn more

Data on this site may be incomplete or inaccurate.

Organizations

  • All organizations
  • WBA
  • WBC
  • IBF
  • WBO
  • RING

Weight classes

  • Heavyweight
  • Light Heavyweight
  • Middleweight
  • Welterweight
  • Lightweight

Explore

  • Who Moved?
  • Monthly archive
  • Champions
  • Champions by nation
  • Ranked by nation
  • Boxers A–Z
  • Countries
  • Search

© 2026 Box-Rank. All Rights Reserved.

AboutHow Rankings WorkFAQContactCorrectionsFollow on XTermsPrivacy PolicyMethodology
🏠Home📊Rankings🔍Search🏆Champions

Heavyweight Boxing Rankings - August 2006

Heavyweight rankings for August 2006. Change division or month to compare rankings.

Division
Period
Org
Note: IBF archival data from this period duplicates the champion as Rank #1. Rankings shown here reflect the original contender order.
Note: The WBC August 2006 rankings are not available.
RankWBAAugust 2006IBFAugust 2006WBOAugust 2006RINGAugust 2006
🏆Nikolai Valuev
World Champion
Wladimir Klitschko
Champion
Siarhei Liakhovich
Champion
Vacant
1John Ruiz
Vacant
Luan KrasniqiWladimir Klitschko
2Ruslan ChagaevRay Austin+1Sultan IbragimovOleg MaskaevNEW
3Calvin BrockCalvin Brock+1Shannon BriggsJames Toney
4Ray Austin+1Samuel Peter+1Ruslan ChagaevSiarhei Liakhovich
5Sultan Ibragimov+1Sultan Ibragimov+1Samuel PeterLamon Brewster
6Shannon Briggs+2
Vacant
Alexander Dimitrenko+1John Ruiz
7Larry DonaldShannon Briggs+1Tony Thompson-1Calvin Brock+1
8Davarryl Williamson+1James Toney+1Calvin Brock+1Samuel Peter+1
9James Toney-5Lamon Brewster+1Lamon Brewster-1Nikolai Valuev+1
10Lamon Brewster+2Davarryl Williamson+1Jameel McCline+3Hasim Rahman-8
11Mike MolloNEWLuan Krasniqi+1Matt Skelton-1
12Vladimir Virchis+1
Vacant
Fres Oquendo-1
13Taras Bidenko+2Ruslan ChagaevNEWChris Byrd-1
14Alexander DimitrenkoNEW
Vacant
Ray AustinNEW
15Jameel McClineNEWJames ToneyNEW

Source: WBA, WBC, IBF, WBO, RING

Keep exploring

World champions

Current titleholders in every division.

Who Moved?

The biggest jumps, drops, and disappearances this month.

Monthly archive

Historical rankings, month by month.

Boxers A–Z

Alphabetical directory of ranked fighters.

Countries

Browse fighters and stats by country.

Browse rankings

Choose any weight class and sanctioning body.

Organizations

WBA, WBC, IBF, WBO, and Ring in one place.

Search boxers

Look up any fighter in the database.

Something look wrong? Report an error

Month-over-month changes since July 2006

WBAAugust 2006 vs July 2006

Entered the top 10

  • Lamon BrewsterJumped from #12 into the top 10

Dropped out of the top 10

  • Monte BarrettPreviously held #10

Biggest risers

  • Shannon BriggsNow ranked #6 (was #8)
    +2
  • Lamon BrewsterClimbed from #12 to #10
    +2
  • Taras BidenkoClimbed from #15 to #13
    +2

Biggest fallers

  • James ToneyDown 5 places to #9
    -5

WBOAugust 2006 vs July 2006

Entered the top 10

  • Jameel McClineUp from #13 to #10

Dropped out of the top 10

  • Matt SkeltonJust outside at #11

Biggest risers

  • Jameel McClineUp 3 places to #10
    +3
  • Alexander DimitrenkoFrom #7 to #6
    +1
  • Calvin BrockFrom #9 to #8
    +1

Biggest fallers

  • Tony ThompsonFrom #6 to #7
    -1
  • Lamon BrewsterSlipped a spot to #9
    -1
  • Matt SkeltonFrom #10 to #11
    -1

RINGAugust 2006 vs July 2006

Entered the top 10

  • Oleg MaskaevInto the top 10 at #2

Dropped out of the top 10

  • Chris ByrdOut of the top 10 after being #7

Biggest risers

  • Calvin BrockClimbed a place to #7
    +1
  • Samuel PeterClimbed a place to #8
    +1
  • Nikolai ValuevClimbed a place to #9
    +1

Biggest fallers

  • Hasim RahmanNow #10 after being #2 last month
    -8

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.