Schulte entered the international stage at 15 years old when he won a silver medal at the 2011 Pacific Games held in New Caledonia.

At the 2014 Micronesian Games, Schulte was awarded medals in all 11 of his events, nine of them gold, earning him the nickname 'Micro Phelps'.

At the 2016 Summer Olympics, he competed for Guam in the 100 meter breaststroke, placing 43rd in the preliminary heats which did not qualify him for the semifinals.

He practiced by swimming for 9 kilometres (5.6 mi) ten times per week, going to the gym, and taking yoga classes.

[7] Schulte broke his own national record during the 2016 Summer Olympics in Rio de Janeiro, finishing the 100 meter breaststroke with a time of 1:03.29.

[7] Schulte started his international career with the 2011 Pacific Games, where he earned a silver medal in the men's 1500 meter freestyle.

The winner of the race, Amini Fonua, broke the Pacific Games record he set six hours prior.

In the 100 meter, he won the preliminary round, but finished second in the finals with a time of 1:03.46, earning a silver medal.