Runowski started his career on March 2013. His career record to date stands at 8 wins and he remains unbeaten. The longest KO streak that Runowski has ever had is 1 throughout his 8 fights and his longest winning streak is 8 wins. This started on March 2013 and came to an end on August 2014.
Runowski's pro career began against Michal Vosyka (1-3-0) in a 4 round contest. Runowski got the UD win via a judges decision. Runowski continued on his successful journey by fighting and beating his next 4 fights.
Runowski then went on to fight and beat Sylwester Walczak on June 28th, 2014 maintaining his unbeaten record. Runowski's UD win against Sylwester Walczak came via judges decision of a 6 round fight. Runowski became the 14th person to defeat Walczak and secured a great win.
The unbeaten run continued with the defeat of Andrei Abramenka in his latest fight on August 16th, 2014, taking his winning record to 8 wins. Ending via TKO, Runowski became the 4th fighter to stop Abramenka. The defeat came in the 6th round of a 8 round fight.