| ILMSA Individual Records Broken as of 5-31-2010 since last update (5-31-2009) | |||||||||
| Swims included: old record and all swims equal or faster than old record | |||||||||
| Age Group | Sex | Distance | Stroke | Name | Age | Time | Date | Event | |
| NEW RECORD | 18-24 | F | 200 | FLY | Heather L Kiluk | 23 | 2:10.23 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 18-24 | F | 200 | FLY | ANN LEWIS | 2:11.50 | 1989 | STATE | |
| NEW RECORD | 18-24 | F | 200 | IM | Heather L Kiluk | 23 | 2:09.88 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 18-24 | F | 200 | IM | Valerie Gaines | 23 | 2:10.71 | 4/13/2003 | CMSA State 2003 |
| NEW RECORD | 18-24 | F | 400 | IM | Heather L Kiluk | 23 | 4:37.07 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 18-24 | F | 400 | IM | Marifaith Schweitzer | 22 | 4:37.69 | 5/17/2007 | 2007 USMS Short Cour |
| NEW RECORD | 30-34 | F | 50 | BACK | Zsejke Tusa | 32 | :27.71 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 30-34 | F | 50 | BACK | Zsejke Tusa | 30 | :28.05 | 4/19/2008 | ILMSA State SC Champ |
| NEW RECORD | 30-34 | F | 100 | BACK | Zsejke Tusa | 32 | :58.49 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 30-34 | F | 100 | BACK | BETH MAUER | 1:00.03 | 1988 | NATL | |
| NEW RECORD | 40-44 | F | 200 | BREAST | Jennifer L Ridge | 41 | 2:37.64 | 4/16/2010 | 2010 YMCA Masters Na |
| OLD RECORD | 40-44 | F | 200 | BREAST | Sue B Welker | 41 | 2:43.47 | 5/15/2003 | 2003 USMS Short Cour |
| NEW RECORD | 40-44 | F | 200 | IM | JENNIFER RIDGE | 41 | 2:16.98 | 3/4/2010 | IL SCY SENIOR CHAMPI |
| OLD RECORD | 40-44 | F | 200 | IM | Andrea J Block | 42 | 2:21.17 | 4/22/2004 | 2004 USMS SC Champio |
| NEW RECORD | 45-49 | F | 50 | FREE | Liz J Dillmann | 45 | :25.14 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | F | 50 | FREE | Lida B Kuehn | 45 | :25.67 | 5/9/2009 | 2009 USMS National S |
| NEW RECORD | 45-49 | F | 100 | FREE | Heidi Kafka | 47 | :57.05 | 4/25/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 45-49 | F | 100 | FREE | Heidi Kafka | 47 | :57.13 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 45-49 | F | 100 | FREE | Andrea J Block | 47 | :57.57 | 4/19/2009 | 2009 YMCA Masters Na |
| NEW RECORD | 45-49 | F | 200 | FREE | Liz J Dillmann | 45 | 1:57.30 | 4/24/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 45-49 | F | 200 | FREE | Andrea J Block | 48 | 2:02.68 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | F | 200 | FREE | Andrea J Block | 47 | 2:02.71 | 4/19/2009 | 2009 YMCA Masters Na |
| NEW RECORD | 45-49 | F | 1000 | FREE | Andrea J Block | 48 | 10:55.70 | 4/23/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 45-49 | F | 1000 | FREE | Andrea J Block | 47 | 11:03.32 | 12/13/2009 | Holiday Classic |
| OLD RECORD | 45-49 | F | 1000 | FREE | Andrea J Block | 46 | 11:07.13 | 4/18/2008 | ILMSA State SC Champ |
| NEW RECORD | 45-49 | F | 200 | BACK | Heidi Kafka | 47 | 2:22.41 | 4/24/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 45-49 | F | 200 | BACK | Heidi Kafka | 47 | 2:23.66 | 5/21/2010 | 2010 USMS National S |
| OLD RECORD | 45-49 | F | 200 | BACK | Mary Pletch | 45 | 2:29.13 | 4/19/2009 | ILMSA State SC Champ |
| NEW RECORD | 45-49 | F | 100 | BREAST | Liz J Dillmann | 45 | 1:14.47 | 4/24/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 45-49 | F | 100 | BREAST | Heidi Kafka | 47 | 1:15.08 | 4/24/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 45-49 | F | 100 | BREAST | Andrea J Block | 48 | 1:15.54 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | F | 100 | BREAST | Jane Robie | 45 | 1:15.91 | 4/2/2004 | CENTRAL MASTERS SWIM |
| NEW RECORD | 45-49 | F | 200 | FLY | Andrea J Block | 48 | 2:15.66 | 4/18/2010 | 2010 YMCA Masters Na |
| OLD RECORD | 45-49 | F | 200 | FLY | Andrea J Block | 47 | 2:16.09 | 4/18/2009 | 2009 YMCA Masters Na |
| NEW RECORD | 45-49 | F | 100 | IM | Liz J Dillmann | 45 | 1:02.70 | 4/24/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 45-49 | F | 100 | IM | Andrea J Block | 48 | 1:05.02 | 4/24/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 45-49 | F | 100 | IM | Andrea J Block | 48 | 1:05.61 | 4/18/2010 | 2010 YMCA Masters Na |
| OLD RECORD | 45-49 | F | 100 | IM | Cynthia G Stonesifer | 47 | 1:05.67 | 4/27/2000 | 2000 USMS SC Champio |
| NEW RECORD | 45-49 | F | 200 | IM | Andrea J Block | 48 | 2:21.80 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | F | 200 | IM | Andrea J Block | 47 | 2:22.52 | 4/5/2009 | 20082nd Annual Fenwi |
| NEW RECORD | 45-49 | F | 400 | IM | Andrea J Block | 48 | 4:56.47 | 4/16/2010 | 2010 YMCA Masters Na |
| OLD RECORD | 45-49 | F | 400 | IM | Andrea J Block | 47 | 4:59.41 | 4/17/2009 | 2009 YMCA Masters Na |
| NEW RECORD | 50-54 | F | 50 | BREAST | Jane M Robie | 51 | :34.45 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 50-54 | F | 50 | BREAST | Jane Robie | 50 | :34.79 | 4/18/2009 | ILMSA State SC Champ |
| NEW RECORD | 50-54 | F | 100 | BREAST | Jane M Robie | 51 | 1:17.90 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 50-54 | F | 100 | BREAST | Kathy Ottensmeyer | 51 | 1:23.00 | 4/19/2009 | ILMSA State SC Champ |
| NEW RECORD | 55-59 | F | 50 | BACK | Patricia B Murphy | 59 | :32.37 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 55-59 | F | 50 | BACK | Betty L Bennett | 56 | :34.87 | 4/27/2000 | 2000 USMS SC Champio |
| NEW RECORD | 55-59 | F | 100 | BACK | Patricia B Murphy | 59 | 1:10.24 | 5/23/2010 | 2010 USMS National S |
| OLD RECORD | 55-59 | F | 100 | BACK | Betty L Bennett | 56 | 1:15.14 | 4/27/2000 | 2000 USMS SC Champio |
| NEW RECORD | 55-59 | F | 50 | FLY | Patricia B Murphy | 59 | :31.02 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 55-59 | F | 50 | FLY | Cindy Stonesifer | 55 | :31.67 | 3/15/2008 | High School Events M |
| NEW RECORD | 60-64 | F | 50 | FREE | Cynthia L Jones | 60 | :29.28 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 60-64 | F | 50 | FREE | Georgia McDaniel | 60 | :30.48 | 4/19/2007 | ILMSA State SC Champ |
| NEW RECORD | 60-64 | F | 100 | FREE | Cynthia L Jones | 60 | 1:08.67 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 60-64 | F | 100 | FREE | Georgia Mc Daniel | 61 | 1:09.35 | 5/4/2008 | 2008 USMS Short Cour |
| NEW RECORD | 60-64 | F | 200 | FREE | Cynthia L Jones | 60 | 2:31.39 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 60-64 | F | 200 | FREE | MARY POHLMANN | 60 | 2:33.11 | 6/18/2005 | 2005 NAT. SENIOR GAM |
| NEW RECORD | 60-64 | F | 500 | FREE | Cynthia L Jones | 60 | 6:48.24 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 60-64 | F | 500 | FREE | MARY POHLMANN | 60 | 6:57.63 | 6/18/2005 | 2005 NAT. SENIOR GAM |
| NEW RECORD | 60-64 | F | 1000 | FREE | Cynthia L Jones | 60 | 13:31.59 | 4/23/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 60-64 | F | 1000 | FREE | Catherine J Quill | 60 | 14:10.76 | 4/23/2010 | ILMSA State SC Champ |
| OLD RECORD | 60-64 | F | 1000 | FREE | Mary M Pohlmann | 60 | 14:25.52 | 4/21/2005 | 2005 YMCA Masters Na |
| NEW RECORD | 60-64 | F | 50 | BREAST | Georgia McDaniel | 63 | :41.54 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 60-64 | F | 50 | BREAST | Georgia Mc Daniel | 61 | :41.56 | 4/20/2008 | ILMSA State SC Champ |
| NEW RECORD | 60-64 | F | 50 | FLY | Cynthia L Jones | 60 | :34.49 | 4/25/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 60-64 | F | 50 | FLY | Catherine J Quill | 60 | :35.28 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 60-64 | F | 50 | FLY | JEANNETTE EPPLEY | :35.32 | 1980 | ||
| NEW RECORD | 60-64 | F | 100 | FLY | Catherine J Quill | 60 | 1:20.33 | 5/21/2010 | 2010 USMS National S |
| RECORD BREAKER | 60-64 | F | 100 | FLY | Catherine J Quill | 60 | 1:22.66 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 60-64 | F | 100 | FLY | JEANNETTE EPPLEY | 1:23.43 | 1980 | ||
| NEW RECORD | 60-64 | F | 200 | FLY | Catherine J Quill | 60 | 3:05.73 | 5/23/2010 | 2010 USMS National S |
| RECORD BREAKER | 60-64 | F | 200 | FLY | Catherine J Quill | 60 | 3:07.99 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 60-64 | F | 200 | FLY | Mary M Pohlmann | 60 | 3:10.66 | 4/21/2005 | 2005 YMCA Masters Na |
| NEW RECORD | 18-24 | M | 200 | FREE | Eric T Nilsson | 22 | 1:40.46 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 18-24 | M | 200 | FREE | ERIK MAUER | 1:41.45 | 1994 | STATE | |
| NEW RECORD | 18-24 | M | 50 | BACK | Eric T Nilsson | 22 | :24.03 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 18-24 | M | 50 | BACK | CHARLES PERKINS | 23 | :24.15 | 4/21/1995 | NORTHWESTERN STATE |
| NEW RECORD | 18-24 | M | 200 | BACK | Eric T Nilsson | 22 | 1:51.72 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 18-24 | M | 200 | BACK | Kyle Jackson | 23 | 1:54.36 | 4/14/2005 | CMSA State SC Champi |
| NEW RECORD | 18-24 | M | 200 | FLY | Eric T Nilsson | 22 | 1:49.66 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 18-24 | M | 200 | FLY | ERIK MAUER | 1:53.45 | 1994 | STATE | |
| NEW RECORD | 18-24 | M | 100 | IM | Eric T Nilsson | 22 | :52.33 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 18-24 | M | 100 | IM | ERIK MAUER | :52.61 | 1994 | STATE | |
| NEW RECORD | 18-24 | M | 200 | IM | Eric T Nilsson | 22 | 1:53.21 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 18-24 | M | 200 | IM | ERIK MAUER | 1:54.42 | 1994 | STATE | |
| NEW RECORD | 25-29 | M | 500 | FREE | Josh Kercheval | 29 | 4:43.73 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 25-29 | M | 500 | FREE | Josh Kercheval | 28 | 4:47.18 | 4/18/2009 | ILMSA State SC Champ |
| NEW RECORD | 25-29 | M | 1000 | FREE | Antonio Santoro | 27 | 9:58.76 | 4/23/2010 | ILMSA State SC Champ |
| OLD RECORD | 25-29 | M | 1000 | FREE | Patrick J Elder | 26 | 10:06.08 | 5/17/2001 | USMS Short Course Na |
| NEW RECORD | 25-29 | M | 1650 | FREE | Josh Kercheval | 29 | 16:51.72 | 5/20/2010 | 2010 USMS National S |
| OLD RECORD | 25-29 | M | 1650 | FREE | DICK CLARKE | 28 | 17:24.62 | 4/18/1997 | NORTHWESTERN STATE |
| NEW RECORD | 25-29 | M | 50 | BREAST | Paul Ridgeway | 25 | :25.97 | 1/24/2010 | Evanston Masters Jan |
| OLD RECORD | 25-29 | M | 50 | BREAST | Herman J Louw | 28 | :26.01 | 4/22/2004 | 2004 USMS SC Champio |
| NEW RECORD | 25-29 | M | 100 | BREAST | Paul Ridgeway | 25 | :55.82 | 1/24/2010 | Evanston Masters Jan |
| OLD RECORD | 25-29 | M | 100 | BREAST | Paul Ridgeway | 25 | :56.02 | 4/5/2009 | 20082nd Annual Fenwi |
| NEW RECORD | 25-29 | M | 200 | FLY | Antonio Santoro | 27 | 1:49.40 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 25-29 | M | 200 | FLY | Neil T Peiffer | 26 | 1:51.57 | 4/22/2004 | 2004 USMS SC Champio |
| NEW RECORD | 30-34 | M | 100 | FREE | Vincent A Allegra | 31 | :46.29 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 30-34 | M | 100 | FREE | David Kinsella | 31 | :47.00 | 4/18/2009 | ILMSA State SC Champ |
| NEW RECORD | 30-34 | M | 1000 | FREE | Benjamin B Culver | 33 | 9:46.65 | 4/23/2010 | ILMSA State SC Champ |
| OLD RECORD | 30-34 | M | 1000 | FREE | Matt C Keller | 33 | 9:47.36 | 5/15/2003 | 2003 USMS Short Cour |
| NEW RECORD | 30-34 | M | 50 | BACK | Timothy Carlson | 30 | :25.18 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 30-34 | M | 50 | BACK | Matt C Keller | 33 | :25.25 | 5/15/2003 | 2003 USMS Short Cour |
| NEW RECORD | 30-34 | M | 200 | BACK | Justin W Mitchell | 34 | 1:57.12 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 30-34 | M | 200 | BACK | Bill R Winters | 33 | 1:57.13 | 4/27/2000 | 2000 USMS SC Champio |
| NEW RECORD | 30-34 | M | 100 | BREAST | Timothy Carlson | 30 | :56.16 | 5/22/2010 | 2010 USMS National S |
| RECORD BREAKER | 30-34 | M | 100 | BREAST | Timothy Carlson | 30 | :56.72 | 12/13/2009 | Holiday Classic |
| RECORD BREAKER | 30-34 | M | 100 | BREAST | Chad Morris | 33 | :57.70 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 30-34 | M | 100 | BREAST | Sergio Miro | 34 | :58.35 | 4/13/2003 | CMSA State 2003 |
| NEW RECORD | 30-34 | M | 200 | BREAST | Timothy Carlson | 30 | 2:02.73 | 5/23/2010 | 2010 USMS National S |
| RECORD BREAKER | 30-34 | M | 200 | BREAST | Timothy Carlson | 30 | 2:06.92 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 30-34 | M | 200 | BREAST | J Todd Radel | 31 | 2:08.91 | 4/22/2004 | 2004 USMS SC Champio |
| NEW RECORD | 30-34 | M | 50 | FLY | John Javorski | 31 | :23.16 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 30-34 | M | 50 | FLY | THOMAS REDIG | 32 | :23.33 | 5/13/1994 | 94NAT |
| NEW RECORD | 30-34 | M | 100 | FLY | Timothy Carlson | 30 | :48.91 | 5/21/2010 | 2010 USMS National S |
| RECORD BREAKER | 30-34 | M | 100 | FLY | Timothy Carlson | 30 | :49.92 | 12/13/2009 | Holiday Classic |
| RECORD BREAKER | 30-34 | M | 100 | FLY | Timothy Carlson | 30 | :50.14 | 4/24/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 30-34 | M | 100 | FLY | Chad Morris | 33 | :51.72 | 5/21/2010 | 2010 USMS National S |
| OLD RECORD | 30-34 | M | 100 | FLY | Chad Morris | 32 | :52.14 | 5/9/2009 | 2009 USMS National S |
| NEW RECORD | 30-34 | M | 100 | IM | Timothy Carlson | 30 | :51.31 | 5/23/2010 | 2010 USMS National S |
| RECORD BREAKER | 30-34 | M | 100 | IM | Timothy Carlson | 30 | :51.31 | 12/13/2009 | Holiday Classic |
| RECORD BREAKER | 30-34 | M | 100 | IM | Timothy Carlson | 30 | :52.20 | 4/24/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 30-34 | M | 100 | IM | Chad Morris | 33 | :53.24 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 30-34 | M | 100 | IM | Chad Morris | 32 | :53.84 | 5/10/2009 | 2009 USMS National S |
| NEW RECORD | 30-34 | M | 200 | IM | Timothy Carlson | 30 | 1:50.17 | 5/22/2010 | 2010 USMS National S |
| RECORD BREAKER | 30-34 | M | 200 | IM | Timothy Carlson | 30 | 1:53.56 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 30-34 | M | 200 | IM | Bill Winters | 34 | 1:59.80 | 4/27/2001 | CMSA Illinois Short |
| NEW RECORD | 30-34 | M | 400 | IM | Benjamin B Culver | 33 | 4:12.44 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 30-34 | M | 400 | IM | Bill R Winters | 33 | 4:20.53 | 4/27/2000 | 2000 USMS SC Champio |
| NEW RECORD | 35-39 | M | 50 | BACK | T.R. Raese | 37 | :25.23 | 3/14/2010 | Elgin Blue Wave Bliz |
| RECORD BREAKER | 35-39 | M | 50 | BACK | T R Raese | 37 | :25.24 | 5/22/2010 | 2010 USMS National S |
| RECORD BREAKER | 35-39 | M | 50 | BACK | T.R. Raese | 37 | :25.24 | 12/13/2009 | Holiday Classic |
| OLD RECORD | 35-39 | M | 50 | BACK | T. R. RAESE | 36 | :25.25 | 4/19/2009 | MINNESOTA MASTERS ST |
| NEW RECORD | 35-39 | M | 200 | BACK | T.R. Raese | 37 | 1:58.59 | 12/13/2009 | Holiday Classic |
| OLD RECORD | 35-39 | M | 200 | BACK | Bill Winters | 35 | 2:00.30 | 5/14/2002 | Nationals Hawaii |
| NEW RECORD | 35-39 | M | 100 | IM | T R Raese | 37 | :54.50 | 5/23/2010 | 2010 USMS National S |
| RECORD BREAKER | 35-39 | M | 100 | IM | T.R. Raese | 37 | :54.70 | 12/13/2009 | Holiday Classic |
| OLD RECORD | 35-39 | M | 100 | IM | THOMAS J. REDIG | 36 | :54.93 | 5/8/1998 | NATIONALS INDIANAPOL |
| NEW RECORD | 40-44 | M | 50 | FREE | Vlad Pyshnenko | 40 | :21.18 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 40-44 | M | 50 | FREE | THOMAS MCCABE | 40 | :21.88 | 5/8/1998 | NATIONALS INDIANAPOL |
| NEW RECORD | 40-44 | M | 100 | FREE | Vlad Pyshnenko | 40 | :45.37 | 4/25/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 40-44 | M | 100 | FREE | Vlad Pyshnenko | 40 | :45.68 | 3/28/2010 | 2010 Annual Fenwi |
| OLD RECORD | 40-44 | M | 100 | FREE | John A Martin | 44 | :48.33 | 4/27/2000 | 2000 USMS SC Champio |
| NEW RECORD | 40-44 | M | 200 | FREE | Vlad Pyshnenko | 40 | 1:39.50 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 40-44 | M | 200 | FREE | THOMAS MCCABE | 40 | 1:48.46 | 5/8/1998 | NATIONALS INDIANAPOL |
| NEW RECORD | 40-44 | M | 50 | BACK | Bryan Malas | 42 | :24.93 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 40-44 | M | 50 | BACK | David P Gibson | 41 | :25.46 | 5/14/2002 | Nationals Hawaii |
| NEW RECORD | 40-44 | M | 100 | BACK | Bryan Malas | 42 | :53.99 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 40-44 | M | 100 | BACK | David P Gibson | 41 | :55.46 | 5/14/2002 | Nationals Hawaii |
| NEW RECORD | 45-49 | M | 50 | FREE | John Moynahan | 49 | : SCR | 1/31/2010 | Danville DUAL Pentat |
| OLD RECORD | 45-49 | M | 50 | FREE | Thomas J McCabe | 45 | :22.28 | 5/15/2003 | 2003 USMS Short Cour |
| NEW RECORD | 45-49 | M | 100 | FREE | David E Sims | 47 | :46.46 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 45-49 | M | 100 | FREE | John A Martin | 45 | :48.41 | 5/17/2001 | USMS Short Course Na |
| NEW RECORD | 45-49 | M | 200 | FREE | David E Sims | 47 | 1:41.69 | 5/21/2010 | 2010 USMS National S |
| OLD RECORD | 45-49 | M | 200 | FREE | Fred L Schuster | 45 | 1:48.09 | 5/8/2009 | 2009 USMS National S |
| NEW RECORD | 45-49 | M | 500 | FREE | David E Sims | 47 | 4:42.44 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 45-49 | M | 500 | FREE | Phil L Dodson | 48 | 5:01.18 | 5/17/2001 | USMS Short Course Na |
| NEW RECORD | 45-49 | M | 1000 | FREE | David E Sims | 47 | 10:08.81 | 4/23/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 45-49 | M | 1000 | FREE | Dave Pushka | 46 | 10:38.39 | 4/23/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | M | 1000 | FREE | Phil Dodson | 47 | 10:42.83 | 3/31/2000 | State Northwestern |
| NEW RECORD | 45-49 | M | 1650 | FREE | David E Sims | 47 | 16:37.77 | 5/20/2010 | 2010 USMS National S |
| OLD RECORD | 45-49 | M | 1650 | FREE | David Sebastian | 45 | 17:43.03 | 4/19/2007 | ILMSA State SC Champ |
| NEW RECORD | 45-49 | M | 100 | BACK | Jim Tuchler | 45 | :54.18 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | M | 100 | BACK | Charles Groen | 46 | :57.19 | 4/20/2006 | ILMSA State SC Champ |
| NEW RECORD | 45-49 | M | 200 | BACK | Jim Tuchler | 45 | 1:59.59 | 5/21/2010 | 2010 USMS National S |
| RECORD BREAKER | 45-49 | M | 200 | BACK | Jim Tuchler | 45 | 1:59.69 | 4/24/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 45-49 | M | 200 | BACK | David E Sims | 47 | 2:02.13 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | M | 200 | BACK | Charles G Groen | 45 | 2:05.83 | 5/19/2005 | 2005 USMS Short Cour |
| NEW RECORD | 45-49 | M | 50 | BREAST | Jim Tuchler | 45 | :26.95 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | M | 50 | BREAST | Plamen Alexandrov | 45 | :28.15 | 4/20/2006 | ILMSA State SC Champ |
| NEW RECORD | 45-49 | M | 100 | BREAST | Jim Tuchler | 45 | :59.26 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 45-49 | M | 100 | BREAST | Plamen D Alexandrov | 46 | 1:01.58 | 4/12/2007 | 2007 YMCA Masters Na |
| NEW RECORD | 45-49 | M | 200 | BREAST | Jim Tuchler | 45 | 2:13.08 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | M | 200 | BREAST | Plamen D Alexandrov | 45 | 2:17.50 | 5/18/2006 | 2006 YMCA Masters Na |
| NEW RECORD | 45-49 | M | 50 | FLY | John Pratt | 47 | :24.16 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 45-49 | M | 50 | FLY | Thomas J McCabe | 45 | :24.25 | 5/15/2003 | 2003 USMS Short Cour |
| NEW RECORD | 45-49 | M | 100 | FLY | David E Sims | 47 | :50.90 | 5/21/2010 | 2010 USMS National S |
| RECORD BREAKER | 45-49 | M | 100 | FLY | David E Sims | 47 | :53.00 | 1/16/2010 | BAM Masters Meet 011 |
| OLD RECORD | 45-49 | M | 100 | FLY | Fred L Schuster | 45 | :53.37 | 5/9/2009 | 2009 USMS National S |
| NEW RECORD | 45-49 | M | 200 | FLY | David E Sims | 47 | 1:53.21 | 5/23/2010 | 2010 USMS National S |
| RECORD BREAKER | 45-49 | M | 200 | FLY | David E Sims | 47 | 1:55.81 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | M | 200 | FLY | Fred L Schuster | 45 | 1:58.45 | 5/10/2009 | 2009 USMS National S |
| NEW RECORD | 45-49 | M | 100 | IM | Jim Tuchler | 45 | :53.87 | 5/23/2010 | 2010 USMS National S |
| RECORD BREAKER | 45-49 | M | 100 | IM | Jim Tuchler | 45 | :54.34 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | M | 100 | IM | Charles G Groen | 46 | :56.23 | 5/11/2006 | 2006 USMS National S |
| NEW RECORD | 45-49 | M | 200 | IM | Jim Tuchler | 45 | 1:59.44 | 5/22/2010 | 2010 USMS National S |
| RECORD BREAKER | 45-49 | M | 200 | IM | Jim Tuchler | 45 | 1:59.86 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 45-49 | M | 200 | IM | Kevin W Drake | 46 | 2:03.36 | 5/15/2003 | 2003 USMS Short Cour |
| NEW RECORD | 45-49 | M | 400 | IM | Jim Tuchler | 45 | 4:20.47 | 5/21/2010 | 2010 USMS National S |
| OLD RECORD | 45-49 | M | 400 | IM | Kevin W Drake | 46 | 4:26.41 | 5/15/2003 | 2003 USMS Short Cour |
| NEW RECORD | 50-54 | M | 1000 | FREE | Andreas K Seibt | 52 | 10:34.67 | 4/23/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 50-54 | M | 1000 | FREE | Andreas K Seibt | 51 | 10:48.79 | 1/15/2010 | BAM Masters Meet 011 |
| OLD RECORD | 50-54 | M | 1000 | FREE | Andy Seibt | 51 | 10:52.26 | 4/16/2009 | ILMSA State SC Champ |
| NEW RECORD | 50-54 | M | 1650 | FREE | Andreas K Seibt | 52 | 17:41.72 | 5/20/2010 | 2010 USMS National S |
| OLD RECORD | 50-54 | M | 1650 | FREE | Andy Seibt | 51 | 18:05.92 | 4/16/2009 | ILMSA State SC Champ |
| NEW RECORD | 50-54 | M | 50 | BREAST | David Tuchler | 51 | :29.85 | 4/25/2010 | ILMSA State SC Champ |
| RECORD BREAKER | 50-54 | M | 50 | BREAST | David Tuchler | 51 | :29.94 | 5/21/2010 | 2010 USMS National S |
| OLD RECORD | 50-54 | M | 50 | BREAST | David Tuchler | 50 | :30.27 | 4/18/2009 | ILMSA State SC Champ |
| NEW RECORD | 50-54 | M | 100 | BREAST | David Tuchler | 51 | 1:04.80 | 5/22/2010 | 2010 USMS National S |
| RECORD BREAKER | 50-54 | M | 100 | BREAST | David Tuchler | 51 | 1:05.98 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 50-54 | M | 100 | BREAST | David Tuchler | 50 | 1:06.36 | 4/19/2009 | ILMSA State SC Champ |
| NEW RECORD | 50-54 | M | 200 | BREAST | David Tuchler | 51 | 2:26.16 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 50-54 | M | 200 | BREAST | Andy Seibt | 51 | 2:26.16 | 4/18/2009 | ILMSA State SC Champ |
| NEW RECORD | 50-54 | M | 200 | FLY | Andrei Ursu | 52 | 2:10.78 | 3/14/2010 | Elgin Blue Wave Bliz |
| RECORD BREAKER | 50-54 | M | 200 | FLY | Thomas J McCabe | 52 | 2:10.98 | 5/23/2010 | 2010 USMS National S |
| RECORD BREAKER | 50-54 | M | 200 | FLY | Thomas J McCabe | 52 | 2:11.11 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 50-54 | M | 200 | FLY | Thomas McCabe | 51 | 2:11.47 | 4/18/2009 | ILMSA State SC Champ |
| NEW RECORD | 50-54 | M | 100 | IM | Andreas K Seibt | 52 | :59.13 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 50-54 | M | 100 | IM | NATHAN LEECH | 50 | :59.90 | 4/25/1999 | BROWN DEER YMCA |
| NEW RECORD | 50-54 | M | 200 | IM | Andreas K Seibt | 52 | 2:09.76 | 5/22/2010 | 2010 USMS National S |
| OLD RECORD | 50-54 | M | 200 | IM | Andy Seibt | 51 | 2:10.26 | 4/18/2009 | ILMSA State SC Champ |
| NEW RECORD | 50-54 | M | 400 | IM | Andreas K Seibt | 52 | 4:35.63 | 5/21/2010 | 2010 USMS National S |
| RECORD BREAKER | 50-54 | M | 400 | IM | Andreas K Seibt | 52 | 4:40.90 | 4/24/2010 | ILMSA State SC Champ |
| OLD RECORD | 50-54 | M | 400 | IM | Andy Seibt | 51 | 4:43.05 | 4/19/2009 | ILMSA State SC Champ |
| NEW RECORD | 55-59 | M | 200 | FREE | Phil L Dodson | 57 | 1:51.71 | 5/21/2010 | 2010 USMS National S |
| OLD RECORD | 55-59 | M | 200 | FREE | Phil L Dodson | 56 | 1:51.89 | 5/8/2009 | 2009 USMS National S |
| NEW RECORD | 55-59 | M | 100 | FLY | Phil L Dodson | 57 | :58.91 | 4/17/2010 | 2010 YMCA Masters Na |
| OLD RECORD | 55-59 | M | 100 | FLY | Philip L Dodson | 55 | :59.65 | 5/18/2008 | 2008 YMCA Masters Na |
| NEW RECORD | 55-59 | M | 200 | FLY | Phil L Dodson | 57 | 2:10.48 | 5/23/2010 | 2010 USMS National S |
| RECORD BREAKER | 55-59 | M | 200 | FLY | Phil L Dodson | 57 | 2:11.89 | 4/18/2010 | 2010 YMCA Masters Na |
| RECORD BREAKER | 55-59 | M | 200 | FLY | Phil L Dodson | 57 | 2:12.73 | 4/25/2010 | ILMSA State SC Champ |
| OLD RECORD | 55-59 | M | 200 | FLY | Phil L Dodson | 56 | 2:15.35 | 4/18/2009 | 2009 YMCA Masters Na |
| NEW RECORD | 55-59 | M | 200 | IM | Phil L Dodson | 57 | 2:14.03 | 4/17/2010 | 2010 YMCA Masters Na |
| OLD RECORD | 55-59 | M | 200 | IM | Russ Meyer | 55 | 2:14.22 | 4/18/2009 | ILMSA State SC Champ |
| NEW RECORD | 55-59 | M | 400 | IM | Phil L Dodson | 57 | 4:45.42 | 5/21/2010 | 2010 USMS National S |
| OLD RECORD | 55-59 | M | 400 | IM | Bob Yant | 55 | 4:47.36 | 4/19/2009 | ILMSA State SC Champ |
| NEW RECORD | 60-64 | M | 500 | FREE | George F Wendt | 62 | 5:29.98 | 4/18/2010 | 2010 YMCA Masters Na |
| OLD RECORD | 60-64 | M | 500 | FREE | George Wendt | 61 | 5:30.73 | 4/18/2009 | ILMSA State SC Champ |
| NEW RECORD | 60-64 | M | 200 | BREAST | George F Wendt | 62 | 2:33.52 | 4/16/2010 | 2010 YMCA Masters Na |
| OLD RECORD | 60-64 | M | 200 | BREAST | George F Wendt | 60 | 2:34.49 | 5/16/2008 | 2008 YMCA Masters Na |
| NEW RECORD | 60-64 | M | 400 | IM | George F Wendt | 62 | 5:02.49 | 4/16/2010 | 2010 YMCA Masters Na |
| OLD RECORD | 60-64 | M | 400 | IM | George F Wendt | 60 | 5:05.25 | 5/16/2008 | 2008 YMCA Masters Na |