After graduating from Rosemount High School, he attended North Dakota State University from 2014 to 2018.

His senior season culminated in him sweeping the NCAA titles in indoor throwing events, becoming only the 2nd man to ever win the shot put and weight throw at the NCAA Championships.

Otterdahl's throw of 21.92m was enough to compete in the Olympics alongside teammates Joe Kovacs (22.34m) and Ryan Crouser (23.37m).

[5] At the 2024 USA Olympic Trials, Otterdahl once again took third place behind both Ryan Crouser and Joe Kovacs.

Otterdahl's fifth round throw of 22.26m moved him above Jordan Giest (21.79m) for his second Olympic appearance.