2007-08: Competed primarily in the 100 back with several appearances in the 200 back and 50 free ... Swam all three of those events at the Big Ten Championships ... Qualified for the bonus final in the 100 back at the Georgia Invitational (11/30-12/2) ... Team captain.
2006-07: Competed in the 50 free, 100 back and 200 back at the Big Ten Championships ... Recorded his best finish of the season when he earned a third-place finish in the 200 back against Carthage ... Swam his best time in the 100 back in the `C' final of the TYR Invitational (54.92) ... Earned a ninth-place finish in the 100 back at the TYR Invitational ... Notched a pair of sixth-place finishes in the 50 and 100 free against Hawaii.
2005-06: Swam a time of 54.85 in the preliminaries of the 100 backstroke at the Big Ten Championships, setting a personal-best time ... Also recorded personal-bests in the 50 free and 100 free at the Big Ten Championships ... Placed fifth in the 100 backstroke against No. 11 Indiana ... Member of the relay team that placed second in the 400-yard medley relay against UW-Milwaukee.
2004-05: Earned two seventh-place finishes as an individual during the season ... Those two performances came in the 200 backstroke against Michigan (1/21) and in the 100 backstroke against Indiana (11/5) ... Member of numerous relays throughout the season ... Best relays were a fifth-place finish in the 400 medley relay against Michigan and another fifth-place finish in the 200 medley relay against Notre Dame.
High School:Won All-American accolades ... Named to the Illinois all-state team ... all-conference in the Central Suburban South ... Helped lead the New Trier Trevians to the 2004 Illinois State Championship ... Four-time letter winner in swimming ... Member of Wildcat Aquatics for 10 years ... National Merit Commended Scholar ... Illinois State Scholar ... Honor Roll Student.
Personal: Born Alexander Karas Hayden on 5/26/86 ... Son of Tom and Louise Hayden ... Chose Northwestern over Notre Dame and Miami ... Majoring in mathematical studies for social sciences.
HAYDEN'S PERSONAL BESTS
| 100 Back | 54.85 |
| 200 Back | 1:57.01 |
| 50 Free | 22.30 |
| 100 Free | 48.92 |