Len Mahoney boxer
- bouts
- 32
- won
- 21
- lost
- 7
- draw
- 4
- Status
- inactive
- Division
- lightweight
- Debut
- 1917-01-06
- Height
- 5′ 10″/178cm
- Reach
- -
- Age
- -
- Born
- 1902-03-25
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1926-03-08 | Vince Dundee | WWWWW | 104th Regiment Armory, Baltimore | LOST Technical knockout |
| 1926-02-08 | Nick Bass | LWWDLW | 104th Regiment Armory, Baltimore | WIN Points |
| 1925-01-14 | Battling Willard | WDDWDD | Folly Theater, Baltimore | LOST Points |
| 1924-09-29 | Jack Ryan | WWWLLW | 104th Regiment Armory, Baltimore | WIN Points |
| 1924-09-15 | Eddie Burnbrook | WWWLLW | 104th Regiment Armory, Baltimore | LOST KO |
| 1924-07-21 | Pete Hartley | WWWLW | Ben Franklin Arena, Kenilworth | DRAW Points |
| 1924-04-14 | Tony Ross | LWWWLW | 104th Regiment Armory, Baltimore | DRAW Points |
| 1924-03-17 | Battling Willard | LLWWWL | 4th Regiment Armory, Baltimore | WIN Points |
| 1924-03-03 | Jack Ryan | LWWWLW | 104th Regiment Armory, Baltimore | WIN Points |
| 1923-02-05 | Joe Dundee | WLWWWW | 4th Regiment Armory, Baltimore | WIN Points |
| 1923-01-05 | Chick Ward | DWL | Richmond Market Armory, Baltimore | DRAW Points |
| 1922-12-04 | Frankie Rice | WDWLLW | 4th Regiment Armory, Baltimore | WIN |
| 1922-09-26 | Young Kilbane | LWLWLL | Sportland Heights Arena, Berwyn | WIN KO |
| 1922-03-20 | George Eagel | DWWWLL | Olympia A.C., Philadelphia | WIN |
| 1922-02-27 | Gene Delmont | DLLLLL | Playhouse, Baltimore | WIN Points |
| 1922-02-04 | Young Joe Chip | debut | National A.C., Philadelphia | WIN |
| 1922-01-09 | Tommy Cleary | WWLLL | 4th Regiment Armory, Baltimore | DRAW Points |
| 1921-12-26 | Young George Chip | WLWLLW | National A.C., Philadelphia | WIN Technical knockout |
| 1921-12-05 | Joe Dundee | LWWWWW | 4th Medical Regiment Amory, Baltimore | LOST Points |
| 1921-11-29 | Gus Franchetti | LDDLDD | Ice Palace, Philadelphia | WIN |
| 1921-08-29 | Mickey Dougherty | LWDLL | Prospect Park, Baltimore | WIN Points |
| 1921-08-04 | Chuck Ruben | debut | Oriole Park, Baltimore | WIN Points |
| 1921-03-26 | Danny Frush | WWWWWW | 4th Regiment Armory, Baltimore | LOST KO |
| 1921-02-05 | Joe Dundee | WWDWWD | 4th Medical Regiment Amory, Baltimore | WIN Points |
| 1921-01-06 | Andy Bowen | WDWWDW | 5th Regiment Armory, Baltimore | WIN Technical knockout |
| 1921-01-01 | Nate Isaacman | WWLWWW | National S.C., Lancaster | LOST KO |
| 1920-11-15 | Frank McCauley | debut | Brighton S.C., Staten Island | LOST KO |
| 1920-03-26 | Jack Palmer | LLW | Albaugh Theater, Baltimore | WIN Points |
| 1919-10-30 | Sammy Schiff | LLWLLW | Olympia A.C., Steelton | LOST |
| 1919-05-12 | Battling Morgan | LWLWDL | Lyric Theater, Baltimore | WIN Points |
| 1919-03-21 | Henry 'Kid' Wolfe | WWWDW | Albaugh Theater, Baltimore | WIN Points |
| 1919-03-14 | Jack Wolfe | debut | Albaugh Theater, Baltimore | WIN Points |
| 1918-12-20 | Patsy Hilton | WL | Albaugh Theater, Baltimore | WIN Points |
| 1918-06-29 | Young Wendell | LWWWW | Oriole Park, Baltimore | WIN KO |
| 1918-03-20 | Young Terry Martin | debut | Albaugh Theater, Baltimore | WIN Points |
| 1918-03-13 | Kid Richmond | DLWW | Albaugh Theater, Baltimore | WIN Points |
| 1917-09-17 | Willie Houck | DLWLLD | Olympia A.C., Philadelphia | WIN |
| 1917-01-06 | Lew Stinger | LWLWWL | National A.C., Philadelphia | WIN |
