Ultimate Fighting Calendar
Fighter

Mariusz Siwiak

NEXT FIGHT

No upcoming fight scheduled.

CAREER SUMMARY

No completed fights tracked yet on UFCalendar. Mariusz Siwiak has not yet won a tracked professional fight on UFCalendar. Mariusz Siwiak also has 1 recorded Bare-Knuckle Boxing bout. Most recent fight: June 28, 2025. Tracked organizations: BKFC.

Career stats

Tracked fightsSource: UFCalendar
Striking
Strikes landed12.32per min
56% accuracy
Strikes absorbed4.57per min
37% avoided

Career history

  1. WIN
    vs Ricky Nelder
    BKFCBKFC 77 Birmingham: Tierney vs Christie· Jun 28, 2025· Cruiserweight
    TKO
    R3 · 01:22

Career history data via Tapology.

Frequently asked questions

When does Mariusz Siwiak fight next?

Mariusz Siwiak has no confirmed upcoming fight.

Who is Mariusz Siwiak fighting next?

Mariusz Siwiak's next opponent has not been announced.

Who did Mariusz Siwiak fight last?

Mariusz Siwiak most recently fought Ricky Nelder at BKFC 77 Birmingham: Tierney vs Christie on Saturday, June 28, 2025, WIN (TKO).

What weight class does Mariusz Siwiak fight in?

Mariusz Siwiak fights at Cruiserweight.