BACKGROUND
• 2025 New Balance Nationals 4x800m All-American
• 2025 U18 Irish National Champion in the 400m
• Ran the 66th-fastest indoor 600m time in high school history
• 2026 Millrose Games 4x800m Champion, setting a meet record
• New York Armory 4x800m facility record holder
• 2026 New Jersey Meet of Champions 800m runner-up
• 2026 New Balance Indoor Nationals 4x800m Champion
• 2026 New Balance Indoor Nationals Sprint Medley Relay Champion
• High school indoor 4x800m national record holder
• 2026 Arcadia Invitational 4x800m Champion
• Finished 3rd in the 800m at the 2026 Arcadia Invitational
• 2026 Penn Relays 4x800m Champion
• 2026 New Jersey 800m State Champion
• 2026 New Balance Outdoor Nationals 4x800m runner-up
• Ranked among the top 50 freshmen in New Jersey in lacrosse
• 4x Honor Roll
PERSONAL
• Native of West Orange, N.J.
• Graduated from Union Catholic High School
• Son of Tracey and Seamus Brosnan
• Has two brothers, Liam and Shane
• Brother, Shane, competed in cross country and track and field at Harvard before transferring to Virginia
• Volunteers with TOPSoccer, a program for young athletes with physical, intellectual or developmental disabilities
• Enjoys hiking, listening to music, playing lacrosse, photography and spending time with friends