nahm am

took part in the…

→ teilnehmen
phrase Rare #49,821
took part in the… This is part of the separable verb „teilnehmen“ (to take part); „teil“ usually appears later in the sentence.
GE: Sie nahm am Konzert teil.
EN: She took part in the concert.

Ich nahm am Wettbewerb teil.

I took part in the competition.

Ich nahm am Treffen gestern teil.

I attended the meeting yesterday.

Tom nahm am Boston-Marathon teil.

Tom participated in the Boston Marathon.