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Super middleweight boxing · most active 2000s

Sébastien Demers

31–6 · 37 recorded bouts · 2004–2013

Boxing record

31–6

Sébastien Demers finished 35% of 31 wins inside the distance — the 12th percentile for super middleweight boxing, where the median is 61%. No reach is on record, so this page compares record rather than measurements.

20002010win v Aundalen Sloan, 2004, decisionwin v Greg Bazile, 2004win v Felix Vargas, 2004, kowin v Darren Kenny, 2004, kowin v John Vaughan, 2004win v Elio Ortiz, 2005, kowin v Luiz Augusto Dos Santos, 2005, decisionwin v Calvin Shakir, 2005, kowin v Ian MacKillop, 2005, decisionwin v Claudio Ortiz, 2005, decisionwin v Verdell Smith, 2005, decisionwin v Sammy Sparkman, 2005, decisionwin v Presente Brito, 2005, kowin v Anthony Ivory, 2005, decisionwin v Ian MacKillop, 2006, decisionwin v Stephane Desormiers, 2006, decisionwin v Christopher Henry, 2006, decisionwin v Sherwin Davis, 2006, kowin v Mamadou Thiam, 2006, kowin v Mohammad Said Salem, 2007, decisionwin v Walid Smichet, 2007, decisionloss v Arthur Abraham, 2007win v Ian MacKillop, 2007, kowin v Donny McCrary, 2008, decisionloss v Dionisio Miranda, 2008win v Sam Hill, 2008, decisionwin v Matt Vanda, 2008, decisionwin v Thomas Brown, 2008, decisionwin v Nicholson Poulard, 2009, decisionwin v Jose Spearman, 2009, kowin v Alfredo Contreras, 2009, decisionwin v Martin Berthiaume, 2009loss v Renan St-Juste, 2010, koloss v Brian Vera, 2010, kowin v William Joppy, 2010loss v Allan Green, 2011, decisionloss v James DeGale, 2013, ko
WON ABOVE·LOST BELOW BAR = STOPPAGE·BROKEN BAR = SUBMISSION·TICK = DECISION 2004–2013

SOURCE·Sébastien Demers — English Wikipedia (CC BY-SA 4.0)·derived figures computed here·REVIEWED 2026-07-08

How this record is compiled

  1. Measurements come from the fighter's English Wikipedia infobox; the bout list is parsed from the results table on the same article, read on 2026-07-08. Boxing tables are read by header name and MMA records by the fixed column order of the MMA record template — two different parsers, because reading MMA rows as a boxing table returns a fighter's boxing record in place of their real one.
  2. A bout enters the ledger with whatever fields the source states: result, opponent, method, round, year. Any field the source leaves empty stays empty here. A date that cannot be established is left blank rather than inferred, and the bout is still counted.
  3. A no contest is counted and printed as a no contest. It is never folded into the wins, the losses or the draws, and it never disappears to make a total balance.
  4. Where the article's infobox total disagrees with its own results table, both figures are published and each is labelled with where it came from. Nothing is averaged and nothing is reconciled against a second database.
  5. Percentiles rank this fighter among the 161 super middleweight boxing fighters in the dataset — the most specific group of at least 30 that this fighter belongs to.

Sources, exclusions and known limits →

Bout record

Every bout the article's own results table lists, in order. A dash is a field the source leaves empty — it is not a zero and it is not a guess.

Bout-by-bout recordAUG 2026
YearResultOpponentMethodRd
2013 L James DeGale KO/TKO2
2011 L Allan Green Decision10
2010 L Renan St-Juste KO/TKO2
2010 L Brian Vera KO/TKO3
2010 W William Joppy —10
2009 W Nicholson Poulard Decision12
2009 W Jose Spearman KO/TKO1
2009 W Alfredo Contreras Decision8
2009 W Martin Berthiaume —5
2008 W Donny McCrary Decision10
2008 L Dionisio Miranda —10
2008 W Sam Hill Decision8
2008 W Matt Vanda Decision12
2008 W Thomas Brown Decision8
2007 W Mohammad Said Salem Decision12
2007 W Walid Smichet Decision12
2007 L Arthur Abraham —3
2007 W Ian MacKillop KO/TKO3
2006 W Ian MacKillop Decision12
2006 W Stephane Desormiers Decision10
2006 W Christopher Henry Decision10
2006 W Sherwin Davis KO/TKO7
2006 W Mamadou Thiam KO/TKO6
2005 W Elio Ortiz KO/TKO4
2005 W Luiz Augusto Dos Santos Decision8
2005 W Calvin Shakir KO/TKO2
2005 W Ian MacKillop Decision10
2005 W Claudio Ortiz Decision10
2005 W Verdell Smith Decision6
2005 W Sammy Sparkman Decision6
2005 W Presente Brito KO/TKO3
2005 W Anthony Ivory Decision6
2004 W Aundalen Sloan Decision6
2004 W Greg Bazile —6
2004 W Felix Vargas KO/TKO3
2004 W Darren Kenny KO/TKO2
2004 W John Vaughan —1

6 of these opponents have their own page here.

SOURCE·Sébastien Demers — English Wikipedia (CC BY-SA 4.0)·derived figures computed here·REVIEWED 2026-07-08

What is on record

Measurements
Reachnot recorded
Heightnot recorded
StanceOrthodox
DivisionSuper Middleweight Boxing
competed at 3: super welterweight, middleweight, super middleweight — compared here against the last
Most active decade2000s — 32 of 37 dated bouts
CountryCanada

Wikipedia carries no reach figure for Sébastien Demers, so the reach-advantage comparison this site is built on cannot be computed. Everything below comes from the record instead.

2010 win vs Aundalen Sloan (2004)win vs Greg Bazile (2004)win vs Felix Vargas (2004)win vs Darren Kenny (2004)win vs John Vaughan (2004)win vs Elio Ortiz (2005)win vs Luiz Augusto Dos Santos (2005)win vs Calvin Shakir (2005)win vs Ian MacKillop (2005)win vs Claudio Ortiz (2005)win vs Verdell Smith (2005)win vs Sammy Sparkman (2005)win vs Presente Brito (2005)win vs Anthony Ivory (2005)win vs Ian MacKillop (2006)win vs Stephane Desormiers (2006)win vs Christopher Henry (2006)win vs Sherwin Davis (2006)win vs Mamadou Thiam (2006)win vs Mohammad Said Salem (2007)win vs Walid Smichet (2007)loss vs Arthur Abraham (2007)win vs Ian MacKillop (2007)win vs Donny McCrary (2008)loss vs Dionisio Miranda (2008)win vs Sam Hill (2008)win vs Matt Vanda (2008)win vs Thomas Brown (2008)win vs Nicholson Poulard (2009)win vs Jose Spearman (2009)win vs Alfredo Contreras (2009)win vs Martin Berthiaume (2009)loss vs Renan St-Juste (2010)loss vs Brian Vera (2010)win vs William Joppy (2010)loss vs Allan Green (2011)loss vs James DeGale (2013)
winlossdraw / NC2004–2013

Record

Boxing record

31–6

37 bouts on record

Finish rate

35%

of wins ended inside the distance — super middleweight boxing median 61%, 12th percentile

By knockout: 11 (35%)By decision: 20 (65%)
  • By knockout 35%
  • By decision 65%

The career, bout by bout

37 recorded bouts from 2004 to 2013. Every incumbent shows this as a table you have to read; here it is as a shape you can see.

Career span

10y

2004–2013

Longest unbeaten run

21

without a loss — draws do not break it

Busiest year

2005

9 bouts

Recorded bouts

37

37 with a date

Standing questions

What this record does and does not say

What is Sébastien Demers's record?
31–6 in boxing. That is the aggregate stated in the English Wikipedia infobox; the results table on the same article lists 37 bouts individually.
Does a no contest change a record here?
No. A no contest is not a win, a loss or a draw, and it is never folded into one. It is counted and printed separately, so a 20–0 record with two no contests is shown as exactly that rather than as 22–0 or as 20–0 with the no contests dropped. The same applies to a bout overturned after the fact where the source records the change.
What happens when sources disagree about a fight?
This site publishes one source — the fighter's English Wikipedia article, read on the date printed under every table — and it does not silently reconcile that against anyone else's database. Where the article's own infobox total and its own results table disagree, both are shown and the page says which one each figure came from. Nothing is averaged, and no field is filled in from a second source to make a total balance.

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Amit Sharma

Auckland real-estate agent and marketer. Builds free, sourced data tools.