| Number | Event_Description | Lane | Team_Description | Results | Notes |
|---|
| 12A | Girls Varsity 4+-Heat 01 | *05 | Marietta H.S. Crew | 05:47:45 | |
| | Race Time: 05/08/1999 09:57 AM | 04 | Woodlands North Surburban Crew | 05:55:91 | |
| | *** Race_is_Official *** | 01 | Culver Academies Crew | 06:02:89 | |
| | | 02 | Cincinnati Country Day School | 06:17:26 | |
| | | 03 | Forest Hills Central H.S. Crew-Boat A | 06:21:51 | |
| | | 06 | Riverview Comm. H.S. Crew-Boat B | 06:47:01 | |
| | | | Boats marked with * advance to FINAL | | |
| 12B | Girls Varsity 4+-Heat 02 | *04 | Coffman/Dublin | 05:42:10 | |
| | Race Time: 05/08/1999 10:04 AM | *05 | Riverview Comm. H.S. Crew-Boat A | 05:53:38 | |
| | *** Race_is_Official *** | 03 | Huron H.S. Crew | 05:54:21 | |
| | | 06 | Louisville Collegiate | 06:20:13 | |
| | | 01 | City High/Old Capitol RC | 06:28:31 | |
| | | 02 | Shaker Heights-Boat B | 06:39:97 | |
| | | | Boats marked with * advance to FINAL | | |
| 12C | Girls Varsity 4+-Heat 03 | *03 | Shaker Heights-Boat A | 06:07:94 | |
| | Race Time: 05/08/1999 10:11 AM | 04 | Mt. Carmel H.S. Crew | 06:17:53 | |
| | *** Race_is_Official *** | 01 | Parkersburg H.S. Crew | 06:20:62 | |
| | | 06 | Forest Hills Central H.S. Crew-Boat B | 06:28:10 | |
| | | 02 | Carlson H.S. Crew | 06:39:10 | |
| | | 05 | St. Ignatius Chicago - Women | 06:41:56 | |
| | | | Boats marked with * advance to FINAL | | |
| 12D | Girls Varsity 4+-Heat 04 | *04 | Ursuline/CJRC | 05:40:61 | |
| | Race Time: 05/08/1999 10:18 AM | *02 | Mt. Lebanon H.S. Crew | 05:47:85 | |
| | *** Race_is_Official *** | 03 | Loyola Acad/Wilmette | 05:59:40 | |
| | | 01 | St. Ursula Toledo | 05:59:69 | |
| | | 06 | Notre Dame Acad/Maumee | 06:13:05 | |
| | | 05 | Grosse Ile H.S. Crew | 06:21:70 | |
| | | | Boats marked with * advance to FINAL | | |