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2025-26 Men's Track and Field Roster

Photo by David Sinclair

Aiden Deffner

  • Position Mid-Distance
  • Class Junior
  • Hometown San Carlos, CA
  • Highschool Menlo School

Biography

Aiden Deffner NIL Store
Deffner's Top Times and Career Results (TFRRS)

2024-2025

Indoor
- Placed sixth in the 800m at the Centennial Conference Championships in a season-best 1:56.86. 

Outdoor
- Opened with a personal-best time of 4:19.37 in the 1500m at the Navy Invite.
- Placed seventh in the 800m at the Hopkins-Loyola Invite in a personal-best 1:54.24. 
2023-2024
Indoor
- Ran a personal-best time of 4:31.72 in the Mile at the Centennial Conference Championships.
- Competed on the winning DMR at the Centennial Conference Championships.
- Ran a lifetime best in the 1000m at the NYC Gotham Cup in a time of 2:39.69.
- Clocked a season-best 2:01.00 in the 800m at the NYU DIII Invite. 

Outdoor
- Opened with a season-best 1:57.94 in the 800m at the Navy Invite.
- Ran a season-best 1500m time of 4:23.24 at the George Mason Ebanks Invite.
High School
- Ran track & cross country under Jorge Chen
Personal
- Son of Peter & Andrea Deffner
- Has one sibling, Julia
- Majoring in computer science

Historical Player Information

  • 2023-24Freshman

    Mid-Distance
  • 2024-25Sophomore

    Mid-Distance
  • 2025-26Junior

    Mid-Distance