He has won a total of four medals in a major international competition, two golds, one silver, and one bronze, spanning the World Championships and the Summer Universiade.

[1] Malone first established himself into the world swimming scene at the 2015 Summer Universiade in Gwangju, South Korea, where he produced a tally of three medals, two golds and one bronze.

[4][5] At the 2015 World Aquatics Championships in Kazan, Russia, Malone achieved a silver medal as a newcomer to the U.S. swimming team in the 4×200 m freestyle relay.

He swam a 1:46.92 split on the third leg to maintain a strong, body-length lead for the Americans throughout the race, before losing their defense to the Brits by just four tenths of a second (0.4), finishing with a final time of 7:04.75.

He began training again with Wildcat Aquatics at Northwestern University and made his professional debut at the Tyr Pro Swim Series in Des Moines, placing 4th overall in the 400m freestyle (3:53.8) and 10th in the 200m (1:50.44), qualifying for the 2020 Olympic Trials in both events.