2007-08: Senior member of Northwestern's distance freestyle group ... Northwestern's top finisher in the 1,650 free at the Big Ten Championships, swimming a season-best time of 15:50.64 ... Also competed in the 500 free and 200 free at the conference meett ... Member of the 800 free relay at the Big Ten Championships, earning an NCAA `B' provisional qualifying time with the squad ... Ranked second on NU's top times list for the year in the 500 free and 1,650 free while ranking third in the 200 free ... Won both the 200 free and 500 free on Jan. 12 against Carthage and Olivet ... Took second in the 500 free versus No. 21 Notre Dame (1/19) ... Finished third in both of his swims in the 1,000 free on the year, performing the feat against both Illinois-Chicago (10/27) and the Irish ... Made the consolation final in the 500 free at the Georgia Invitational (11/30-12/2) while qualifying for the bonus final in the 200 free ... Also swam the 1,650 free at the UGA Invite, taking 17th ... Team captain.
2006-07: Got his first taste of NCAA Championships action, swimming on the 800 free relay that finished 17th ... Named NU's Big Ten Sportsmanship honoree ... Finished in the top 15 in the 200 free (12th), 500 free (13th) and 1650 free (15th) at the Big Ten Championships ... Swam 'B' cut times in both the 500 and 1650 free ... Swam personal-best times in the 200 free (1:38.46) and 500 free (4:25.39) at the Championships, as well as clocking a season-best time in the 1650 free (15:32.00) ... Northwestern's fastest swimmer in the 1650 free and second-fastest swimmer in the 500 and 1000 free ... Won both the 500 and 1000 free against Carthage ... Shaved over five seconds off his previous best when he swam a time of 9:27.22 in the 1000 free against Michigan and Ohio State ... Earned three top-six finishes at the TYR Invitational, including a second-place finish in the 1650 free ... Won the 1000 free in the dual meet against Wisconsin ... Recorded nine top-three finishes throughout the season.
2005-06: Finished 28th in the 1650 free at the Big Ten Championships with a time of 16:00.87, 44 seconds better than his seed time ... Also swam in the 200 free and 500 free at the Big Ten Championships ... Finished third in the 200-yard freestyle against UW-Milwaukee.
2004-05: Finished the season as the Wildcats' second-fastest swimmer in the 500 free, clocking a time of 4:30.59 at the Big Ten Championships to finish 20th ... Provided some vital points in the 'Cats' Big Ten Championship chase when he finished 12th in the 1650 free with a time of 15:31.19 ... Was a member of the 800 freestyle relay quartet that recorded the team's top time of the season at the Big Ten Championships (6:39.44) ... Ended the season as the team's third-fastest swimmer in the 1000 free ... Highest finish in a dual meet came against Notre Dame (1/22), where he finished second in the 1650 free ... Swam in the 200 free at the Big Ten Championships, earning a 19th-place finish.
High School: Captured second place in the 500 freestyle in state ... Took third place in 200 freestyle in state ... Four-time letter winner in high school ... Member of the 2002 Arizona state record-breaking 4x100 freestyle relay team ... Three-time Dr. Voie Stuart Chase Scholar Athlete Award ... Member of the Ventana Canyon Swim Team for nine years ... Member of National Honor Society ... Honor Roll student.
Personal: Born Daniel Beckett Walls on 7/12/86 ... Son of Steve and Lisa Walls ... Chose Northwestern over Columbia, Dartmouth and Arizona State ... Majoring in political science.
WALL'S PERSONAL BESTS
| 50 Free | 22.59 |
| 100 Free | 47.37 |
| 200 Free | 1:38.46 |
| 500 Free | 4:25.39 |
| 1650 Free | 15:31.19 |