Ultimate Fighting Calendar
Mariusz Ksiazkiewicz
Fighter

Mariusz Ksiazkiewicz

"The Iron Pol"
11-3-0CanadaCanada
Amateur MMA 3-1
NEXT FIGHT

No upcoming fight scheduled.

CAREER SUMMARY

Mariusz Ksiazkiewicz holds a professional MMA record of 11-3-0. Their full professional MMA career spans 14 bouts on record. Mariusz Ksiazkiewicz has won 11 fights: 6 by KO/TKO, 0 by submission, 5 by decision. Of 3 career losses, 1 came by KO/TKO and 0 by submission. Most recent fight: September 20, 2025. Tracked organizations: KSW.

Profile

Height
6'3"191 cm
Weight
206 lbs93 kg
DOB
1989-10-04
Age
36
Nationality
Canada

Career history

  1. LOSS
    vs Sergiusz Zajac
    KSWKSW 110 - Grzebyk vs. Tulshaev· Sep 20, 2025· Light Heavyweight· 11-2 vs 8-1
    KO
    R1 · 1:07
  2. WIN
    vs Rafael Carvalho
    Iowa Fight Series 2· Apr 13, 2024· Light Heavyweight· 10-2 vs 17-7
    TKO
    R4 · 0:47
  3. LOSS
    vs Eli Aronov
    Unified MMA 45· May 27, 2022· Middleweight· 10-1 vs 5-0
    —
    R2 · 4:32
  4. WIN
    vs Alessandro Gambulino
    LFA 130: Ksiazkiewicz vs. Gambulino· Apr 22, 2022· Middleweight· 9-1 vs 12-3
    TKO
    R1 · 1:29
  5. WIN
    vs Graham Park
    Unified MMA 42· Dec 17, 2021· 8-1 vs 8-2
    TKO
    R1 · 1:25
  6. LOSS
    vs Mário Sousa
    Contender Series 2020· Nov 10, 2020· Middleweight· 8-0 vs 11-1
    UD
  7. WIN
    vs Guilherme Miranda
    Teofista: Fight For The Troops· Nov 9, 2019· Middleweight· 7-0 vs 18-8
    —
    R1 · 4:07
  8. WIN
    vs Jo Vallée
    TKO Fight Night 1· Aug 2, 2018· Middleweight· 6-0 vs 7-2
    TKO
    R3 · 1:13
  9. WIN
    vs Douglas McFresh
    Alaska FC 126· Oct 19, 2016· Light Heavyweight· 5-0 vs 5-0
    TKO
    R1 · 1:20
  10. WIN
    vs Micah Brakefield
    Prestige FC 2· Mar 12, 2016· Welterweight· 4-0 vs 6-6
    TKO
    R2 · 5:00
  11. WIN
    vs Steve Dubeck
    KOTC: Out Cold· Nov 15, 2013· Catchweight· 3-0 vs 5-6
    —
    R2 · 3:53
  12. WIN
    vs Ash Mashreghi
    AFC 16: Uprising· Mar 23, 2013· Welterweight· 2-0 vs 0-1
    —
    R1 · 1:55
  13. WIN
    vs Dejan Kajić
    AFC 11: Takeover· Sep 15, 2012· Catchweight· 1-0 vs 2-1
    UD
  14. WIN
    vs Henry Rowsell
    · May 13, 2011· Welterweight· 0-0 vs 0-2
    —
    R1 · 0:27

Career history data via Tapology.

Frequently asked questions

What is Mariusz Ksiazkiewicz's record?

Mariusz Ksiazkiewicz's professional MMA record is 11-3-0.

When does Mariusz Ksiazkiewicz fight next?

Mariusz Ksiazkiewicz has no confirmed upcoming fight.

Who is Mariusz Ksiazkiewicz fighting next?

Mariusz Ksiazkiewicz's next opponent has not been announced.

Who did Mariusz Ksiazkiewicz fight last?

Mariusz Ksiazkiewicz most recently fought Sergiusz Zajac at KSW 110 - Grzebyk vs. Tulshaev on Saturday, September 20, 2025 — LOSS (Knockout).

What weight class does Mariusz Ksiazkiewicz fight in?

Mariusz Ksiazkiewicz fights at Light Heavyweight.

How many knockouts does Mariusz Ksiazkiewicz have?

Mariusz Ksiazkiewicz has 6 wins by KO/TKO and 0 wins by submission.

How tall is Mariusz Ksiazkiewicz?

Mariusz Ksiazkiewicz is 6'3" (191 cm) tall.

How much does Mariusz Ksiazkiewicz weigh?

Mariusz Ksiazkiewicz weighs 206 lbs (93 kg).

How old is Mariusz Ksiazkiewicz?

Mariusz Ksiazkiewicz is 36 years old (born Oct 4, 1989).

Where is Mariusz Ksiazkiewicz from?

Mariusz Ksiazkiewicz is from Canada.