This is the 16416th most frequent Polish word.
wbiegania
The act of running into or sprinting in.
In this sentence, 'wbiegania' is used as a noun referring to the activity or act of running into or onto something.
Codzienne ćwiczenia wbiegania na wzgórze poprawiają kondycję.
Daily practices of running up the hill improve condition.
Here, 'wbiegania' is utilized to describe the quality of the action of running onto a place performed by someone.
Obserwowałem płynność jego wbiegania na stadion.
I observed the fluency of his running onto the stadium.
In this instance, 'wbiegania' denotes the technique or manner of running onto something, like stairs in this example.