International play
| Medal record | ||
|---|---|---|
Representing  United States | ||
| Ice hockey | ||
| World Junior Championships | ||
 | 2025 Canada | |
| World U18 Championships | ||
| 2023 Switzerland | |
 | 2024 Finland | |
| World U-17 Hockey Challenge | ||
| 2022 Canada | |
Hagens represented the United States at the 2022 World U-17 Hockey Challenge where he recorded eight goals and 13 assists in seven games and won a gold medal. His 21 points set a World U-17 Hockey Challenge record, surpassing the previous record of 18 points set by Colin White in 2014. [10] [11]
He represented the United States at the 2023 IIHF World U18 Championships, where he recorded one goal and four assists in seven games and won a gold medal. [12] [13]
He was named to USA Hockey's selection camp roster for the 2024 World Junior Ice Hockey Championships, where he was the youngest of 29 players invited, and was one of the last players cut from the roster. [14] [15]
He again represented the United States at the 2024 IIHF World U18 Championships, where he led the tournament in scoring with nine goals and 13 assists in seven games and won a silver medal. He was subsequently named tournament MVP, and was also named to the media all-star team and was named best forward by the IIHF Directorate. [16] His 22 points set a IIHF World U18 Championship record, surpassing the previous record of 21 points set by Nikita Kucherov in 2011. [17]
On December 18, 2024, he was named to the United States men's national junior ice hockey team to compete at the 2025 World Junior Ice Hockey Championships. [18] During the tournament he recorded five goals and four assists in seven games and won a gold medal. [19] [20]
