| Event Number | Event Name | Team | Time | Year |
|---|---|---|---|---|
| 73 | Girls 11-12 200 Yd. Free Relay | Woodridge Sea Lions | 01:56.08 | 2003 |
| 74 | Boys 11-12 200 Yd. Free Relay | WoodDale/Addison Sharks | 01:55.77 | 1987 |
| 75 | Girls 13-14 200 Yd. Free Relay | Villa Park Mariners | 01:52.32 | 2011 |
| 76 | Boys 13-14 200 Yd. Free Relay | Hanover Park Sailfish | 01:43.70 | 2012 |
| 77 | Girls 15 and O 200 Yd. Free Relay | Villa Park Mariners | 01:41.97 | 2013 |
| 78 | Boys 15 and O 200 Yd. Free Relay | Roselle Racers | 01:29.98 | 2024 |
