| Number | Event_Description | Lane | Team_Description | Results | Notes |
|---|
| 13A | Boys Varsity Single (1x)-Heat 01 | *03 | Grosse Pointe-South H.S. Crew | 05:42:90 | |
| | Race Time: 05/08/1999 10:25 AM | *01 | St. Katharine`s / St. Mark`s-Boat B | 05:49:51 | |
| | *** Race_is_Official *** | *02 | Kansas City Rowing Club | 06:08:48 | |
| | | 05 | North Allegheny H.S. Crew | 06:09:36 | |
| | | 04 | Roosevelt (T.) H.S. Crew | 06:39:38 | |
| | | 06 | Cincinnati Country Day School | 07:25:93 | |
| | | | Boats marked with * advance to FINAL | | |
| 13B | Boys Varsity Single (1x)-Heat 02 | *02 | Pleasant Valley HS-Boat A | 05:55:81 | |
| | Race Time: 05/08/1999 10:32 AM | *03 | St. Katharine`s / St. Mark`s-Boat C | 06:05:59 | |
| | *** Race_is_Official *** | *01 | Pleasant Valley HS-Boat D | 06:18:87 | |
| | | 05 | Forest Hills Central H.S. Crew | 06:20:05 | |
| | | 06 | St. Ignatius Cleveland-Boat A | 06:54:59 | |
| | | 04 | Minnesota Central High | 07:10:45 | |
| | | | Boats marked with * advance to FINAL | | |