| 100 Breaststroke | ||||||
| State Record: :56.38 National Record: :53.66 All-American Automatic: :57.50 All-American Consideration: 1:00.90 1998 Qualifying Time: 1:05.37 | ||||||
| Rank | Last Name | First Name | GR | School | Time | Date |
| 1 | HUSTON | KIEL | 9 | ANKENY | 1:02.69 | 12/3/98 |
| 2 | QUALLEY | CORNELIUS | 10 | SC METRO | 1:03.18 | 12/8/98 |
| 3 | FOUST | JAMIN | 9 | DBQ HEMPSTEAD | 1:03.49 | 12/15/98 |
| 4 | OTIS | JOSH | 9 | WDM DOWLING | 1:04.14 | 12/12/98 |
| 5 | MC DUFF | MATT | 11 | AMES | 1:04.20 | 12/10/98 |
| 6 | RUGE | DIRK | 11 | FORT DODGE | 1:05.05 | 12/8/98 |
| 7 | TALMAN | ANDREW | 12 | IOWA CITY | 1:05.06 | 12/8/98 |
| 8 | KOENIG | JON | 11 | DBQ SENIOR | 1:05.19 | 12/17/98 |
| 9 | PRUISNER | MICAH | 11 | CEDAR FALLS | 1:05.78 | 12/16/98 |
| 10 | WELLING | NATHAN | 9 | WDM VALLEY | 1:06.00 | 12/8/98 |
| 11 | PLOTZ | ALEX | 10 | CR JEFFERSON | 1:06.34 | 12/12/98 |
| 12 | WILL | SCOTT | 9 | CF-NU HIGH | 1:06.47 | 12/12/98 |
| 13 | GUNTHER | THAD | 12 | MUSCATINE | 1:06.59 | 12/19/98 |
| 14 | HARDY | TOM | 9 | MASON CITY | 1:07.10 | 12/1/98 |
| 15 | LONERGAN | MIKE | 11 | BETTENDORF | 1:07.61 | 12/10/98 |
| 16 | HATFIELD | RYAN | 12 | CR KENNEDY | 1:07.64 | 12/16/98 |
| 17 | MURRAY | PAUL | 10 | MASON CITY | 1:07.68 | 12/12/98 |
| 18 | SHELANGOSKI | CALVIN | 10 | MUSCATINE | 1:07.70 | 12/19/98 |
| 19 | STRUTTON | PETER | 10 | CR WASHINGTON | 1:08.31 | 12/17/98 |
| 20 | FULLER | PAT | 12 | MUSCATINE | 1:08.44 | 12/17/98 |
| 21 | PATTON | MARK | 11 | BETTENDORF | 1:08.53 | 12/10/98 |
| 22 | LEFTWICH | KARL | 12 | CR WASHINGTON | 1:08.54 | 12/5/98 |
| 23 | SIEVERT | BRYAN | 12 | DECORAH | 1:08.55 | 12/10/98 |
| 24 | PARRISH | GRANT | 10 | BETTENDORF | 1:08.65 | 12/17/98 |
| 25 | BARRY | MICKEY | 12 | ANKENY | 1:08.80 | 12/3/98 |
| 26 | GLYNN | CHRIS | 12 | WDM VALLEY | 1:08.88 | 12/15/98 |
| 27 | BUZYNSKI | B.J. | 10 | WATERLOO WEST | 1:08.89 | 12/12/98 |
| 28 | PALMER | JIM | 11 | SC METRO | 1:08.94 | 12/15/98 |
| 29 | MYHR | BRITT | WATERLOO WEST | 1:09.58 | 12/12/98 | |
| 30 | TARPEIN | NICK | 12 | PLEASANT VALLEY | 1:09.79 | 12/15/98 |
| 31 | HOBSON | JOE | 12 | MARSHALLTOWN | 1:10.11 | 12/3/98 |
| 32 | ARGOTSINGER | MIKE | 10 | CB LINCOLN | 1:10.33 | 12/19/98 |
| 33 | MILLIGAN | RYAN | 11 | WDM DOWLING | 1:10.33 | 12/8/98 |
| 34 | SHOGREN | FISK | 11 | MASON CITY | 1:10.37 | 12/5/98 |
| 35 | HOFFMAN | STEVE | 12 | LINN-MAR | 1:10.39 | 12/17/98 |
| 36 | CLARK | ADAM | 11 | DBQ HEMPSTEAD | 1:10.54 | 12/21/98 |
| 37 | AANESTAD | JOHN | 11 | IOWA CITY | 1:10.64 | 12/15/98 |
| 38 | RUALES | ANDRES | 12 | DM LINCOLN | 1:10.78 | 12/3/98 |
| 39 | ERION | MATT | 11 | MARSHALLTOWN | 1:11.07 | 12/3/98 |
| 40 | MORRIS | REID | 11 | CR WASHINGTON | 1:11.14 | 12/5/98 |
| 41 | LUKE | BILL | 11 | SC EAST | 1:11.20 | 12/15/98 |
| 42 | SIPPEL | JARED | STORM LAKE | 1:11.24 | 12/15/98 | |
| 43 | RAEKER | MATT | 10 | CEDAR FALLS | 1:11.58 | 12/5/98 |
| 44 | MASON | JOHN | 9 | CEDAR FALLS | 1:11.58 | 12/5/98 |
| 45 | SAXTON | JON | 9 | AMES | 1:11.86 | 12/17/98 |
| 46 | SCHREMPF | BEN | 12 | BETTENDORF | 1:12.08 | 12/10/98 |
| 47 | SHAULL | ADAM | 10 | AMES | 1:12.15 | 12/5/98 |
| 48 | ||||||
| 49 | ||||||
| 50 |