DeWitt Tri-County Records
Girls
| 100-Meter Dash | Jenae Schroder Amy Klasek |
12.5 | 1984 1992 |
| 200-Meter Dash | Tori Holtmeier | 25.9 | 1996 |
| 400-Meter Dash | Tori Holtmeier | 55.61 | 1996 |
| 800-Meter Run | Valerie Rempel | 2:17.53 | 1996 |
| 1600-Meter Run | Maci Hicks | 5:17.98 | 2011 |
| 3200-Meter Run | Maci Hicks | 11:40.6 | 2011 |
| 100-Meter Hurdles | Sydney Holtmeier | 15.1 | 2011 |
| 300-Meter Hurdles | Sydney Holtmeier | 45.11 | 2011 |
| 400-Meter Relay | Rebecca Pfinster Tori Holtmeier Valerie Rempel Azure Schnuelle |
50.16 | 1994 |
| 1600-Meter Relay | Azure Schnuelle Tami Holsing Valerie Rempel Tori Holtmeier |
4:00.07 | 1994 |
| 3200-Meter Relay | Sydney Holtmeier Halie Mients Mac Hicks Brooke Knapp |
9:43.82 | 2011 |
| High Jump | Tori Holtmeier | 5'8 | 1996 |
| Long Jump | Mary Stokebrand | 17'5 | 1982 |
| Triple Jump | Lexi Strouf | 36-1/2 | 2005 |
| Shot Put | Dee Vergith | 42'9-3/4 | 1998 |
| Discus | Tracy Mahloch | 140'1 | 1995 |
| Pole Vault | Sammie Garrison | 10'6 | 2010 |
Boys
| 100-Meter Dash | Talon Matzner | 10.6 | 2010 |
| 200-Meter Dash | Talon Matzner | 21.9 | 2010 |
| 400-Meter Dash | Matt Shipp | 49.68 | 2007 |
| 800-Meter Run | Matt Shipp | 1:54.29 | 2007 |
| 1600-Meter Run | Wes Cammack | 4:28.35 | 2003 |
| 3200-Meter Run | Wes Cammack | 9:42.84 | 2003 |
| 110-Meter Hurdles | Chris Janssen | 14.3 | 1979 |
| 300-Meter Hurdles | Tim Koch | 39.9 | 1988 |
| 400-Meter Relay | Anthony Drewes Joey Schnuelle Gabe Schnuelle Ryan Tietjen |
43.9 | 2001 |
| 1600-Meter Relay | Benji Schnuelle Jeff Jurgens Andy Pearson Jeremy Siems |
3:26.87 | 1995 |
| 3200-Meter Relay | Wes Cammack Matt Shipp Michael Parde Dustin Mamman |
8:07.55 | 2005 |
| High Jump | Ross Pfingsten | 6'5-1/4 | 2000 |
| Long Jump | Jay Preston | 21'9-1/2 | 1977 |
| Triple Jump | Brett Shipp | 45'7-3/4 | 2004 |
| Pole Vault | Lucas Buss | 13'6 | 2007 |
| Shot | Ryan Tietjen | 54'3-3/4 | 2001 |
| Discus | Chris Muller | 170'2 | 1998 |
