Boxers / Ken Norton / Boxerbook rating

Ken Norton: Boxerbook rating

Ken Norton has a Boxerbook rating of 1988 ± 267 from 49 counted bouts, as of Oct 13, 2026. Not in a division list: inactive since May 1981 (no bout for 12 months).

Rating1988 ± 267
Placenot listed
Counted bouts49
Unknown opponents28 of 49
Schedule, career1436
Schedule, 36 monthsno bouts
Form, last 51.6 of 3.5
Data confidence27%
Statusinactive since May 1981

Rating over time

high 2134 · low 1561Nov 1967May 1981

μ at the end of each month with a bout, and of every month while active. Red dot: latest.

Bouts behind the rating

Every counted bout, newest first: the change in μ it caused (green up, red down), its weight and the rating after it. Unknown opponents: 28 of 49 bouts.

L
Gerry Cooney
May 11, 1981 · TKO 1/10 · weight ×1.05 · opponent 2002
−34
→ 1988
W
Randall Cobb
Nov 7, 1980 · SD 10/10 · weight ×1.05 · opponent 1921
+26
→ 2022
D
Scott LeDoux
Aug 19, 1979 · SD 10/10 · weight ×1.05 · opponent 1649
−21
→ 1996
L
Earnie Shavers
Mar 23, 1979 · KO 1/12 · weight ×1.10 · opponent 1812
−56
→ 2017
W
Randy Stephens (no page: counted as 1100)
Nov 10, 1978 · KO 3/10 · weight ×1.05
+1
→ 2072
L
Larry Holmes
For WBC heavyweight title
Jun 9, 1978 · SD 15/15 · weight ×1.65 · opponent 2018
−63
→ 2071
W
Jimmy Young
WBC heavyweight title eliminator
Nov 5, 1977 · SD 15/15 · weight ×1.65 · opponent 1965
+35
→ 2134
W
Lorenzo Zanon
Sep 14, 1977 · KO 5/10 · weight ×1.05 · opponent 1960
+23
→ 2099
W
Duane Bobick
May 11, 1977 · TKO 1/12 · weight ×1.10 · opponent 1655
+10
→ 2076
L
Muhammad Ali
For WBA, WBC, and The Ring heavyweight titles
Sep 28, 1976 · UD 15/15 · weight ×1.65 · opponent 2467
−13
→ 2066
W
Larry Middleton (no page: counted as 1100)
Jul 10, 1976 · TKO 10/10 · weight ×1.05
+1
→ 2079
W
Ron Stander
Apr 30, 1976 · TKO 5/12 · weight ×1.10 · opponent 1441
+3
→ 2078
W
Pedro Lovell
Jan 10, 1976 · TKO 5/12 · weight ×1.10 · opponent 1500
+6
→ 2075
W
José Luis García
Aug 14, 1975 · KO 5/10 · weight ×1.05 · opponent 1621
+7
→ 2069
W
Jerry Quarry
For vacant NABF heavyweight title
Mar 27, 1975 · TKO 5/12 · weight ×1.16 · opponent 1974
+43
→ 2063
W
Jerry Quarry
Won vacant NABF heavyweight title
Mar 24, 1975 · TKO 5/12 · weight ×1.16 · opponent 1974
+43
→ 2063
W
Rico Brooks (no page: counted as 1100)
Mar 4, 1975 · KO 1/10 · weight ×1.05
+2
→ 2063
W
Boone Kirkman
Jun 25, 1974 · RTD 7/10 · weight ×1.05 · opponent 1862
+39
→ 1974
L
George Foreman
For WBA, WBC, and Lineal, The Ring heavyweight titles
Mar 26, 1974 · TKO 2/15 · weight ×1.65 · opponent 2342
−20
→ 1935
L
Muhammad Ali
Lost NABF heavyweight title
Sep 10, 1973 · SD 12/12 · weight ×1.16 · opponent 2318
−17
→ 1955
Show all 49 counted bouts
W
Muhammad Ali
Won NABF heavyweight title
Mar 31, 1973 · SD 12/12 · weight ×1.16 · opponent 2395
+129
→ 1972
W
Charlie Reno (no page: counted as 1100)
Dec 13, 1972 · UD 10/10 · weight ×1.05
+5
→ 1843
W
Henry Clark (no page: counted as 1100)
Nov 21, 1972 · TKO 9/10 · weight ×1.05
+5
→ 1838
W
James J. Woody (no page: counted as 1100)
Jun 30, 1972 · RTD 8/10 · weight ×1.05
+6
→ 1833
W
Herschel Jacobs
Jun 5, 1972 · UD 10/10 · weight ×1.05 · opponent 1784
+57
→ 1833
W
Jack O'Halloran
Mar 17, 1972 · UD 10/10 · weight ×1.05 · opponent 1381
+19
→ 1770
W
Charlie Harris (no page: counted as 1100)
Feb 17, 1972 · TKO 3/10 · weight ×1.05
+9
→ 1751
W
James J. Woody (no page: counted as 1100)
Sep 29, 1971 · UD 10/10 · weight ×1.05
+9
→ 1742
W
Chuck Haynes (no page: counted as 1100)
Aug 7, 1971 · KO 7/10 · weight ×1.05
+10
→ 1733
W
Vic Brown (no page: counted as 1100)
Jun 12, 1971 · KO 5/10 · weight ×1.05
+11
→ 1723
W
Roby Harris (no page: counted as 1100)
Oct 16, 1970 · KO 2/10 · weight ×1.05
+11
→ 1713
W
Chuck Leslie (no page: counted as 1100)
Sep 26, 1970 · UD 10/10 · weight ×1.05
+12
→ 1702
W
Roy Wallace (no page: counted as 1100)
Aug 29, 1970 · KO 4/10 · weight ×1.05
+13
→ 1690
L
José Luis García
Jul 2, 1970 · KO 8/10 · weight ×1.05 · opponent 1513
−155
→ 1677
W
Ray Junior Ellis (no page: counted as 1100)
May 8, 1970 · KO 2/10 · weight ×1.05
+9
→ 1831
W
Bob Mashburn (no page: counted as 1100)
Apr 7, 1970 · KO 4/10 · weight ×1.05
+10
→ 1822
W
Stamford Harris (no page: counted as 1100)
Mar 13, 1970 · TKO 3/10 · weight ×1.05
+11
→ 1812
W
Aaron Eastling (no page: counted as 1100)
Feb 4, 1970 · KO 2/10 · weight ×1.05
+12
→ 1802
W
Julius Garcia (no page: counted as 1100)
Oct 21, 1969 · TKO 3/10 · weight ×1.05
+12
→ 1790
W
Gary Bates (no page: counted as 1100)
Jul 25, 1969 · TKO 8/10 · weight ×1.05
+14
→ 1778
W
Pedro Sanchez (no page: counted as 1100)
Mar 31, 1969 · TKO 2/10 · weight ×1.05
+15
→ 1764
W
Wayne Kindred (no page: counted as 1100)
Feb 20, 1969 · TKO 9/10 · weight ×1.05
+18
→ 1749
W
Joe Hemphill (no page: counted as 1100)
Feb 11, 1969 · TKO 3/10 · weight ×1.05
+18
→ 1749
W
Cornell Nolan (no page: counted as 1100)
Dec 8, 1968 · KO 6/10 · weight ×1.05
+22
→ 1714
W
Wayne Kindred (no page: counted as 1100)
Jul 23, 1968 · TKO 6/10 · weight ×1.05
+26
→ 1692
W
Jimmy Gilmore (no page: counted as 1100)
Mar 26, 1968 · KO 7/8 · weight ×1.00
+30
→ 1666
W
Harold Dutra (no page: counted as 1100)
Feb 6, 1968 · KO 3/6 · weight ×0.90
+33
→ 1637
W
Sam Wyatt (no page: counted as 1100)
Jan 16, 1968 · PTS 6/6 · weight ×0.90
+43
→ 1603
W
Grady Brazell (no page: counted as 1100)
Nov 14, 1967 · TKO 5/6 · weight ×0.90
+61
→ 1561

Publishers and Boxerbook

Consensus: no publisher lists for the division (a list without them counts as 16).

WBC
not in top 15
WBA
not in top 15
IBF
not in top 15
WBO
not in top 15
Ring
not in top 15
TBRB
not in top 15
Boxerbook
not listed

How the Boxerbook rating works · Ken Norton: record and titles