Heats 1 and 2 run during finals all others in the morning
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | DENTON, Anderson | SR | Lake Wales | 4:24.08 | FHSAA 2A District 9 |
| 2 | WEILER, Thomas | SR | South Fork | 4:26.41 | FHSAA 3A District 14 |
| 3 | CLOUD, Zach | SR | St. Cloud | 4:26.50 | FHSAA 4A Region 2 and FHSAA 3A Region 2 |
| 4 | TELLIS, Ladarius | JR | Lake Wales | 4:33.21 | 4:33.21 Bolles Bulldog Classic |
| 5 | TOPPI, Michael | SO | Viera | 4:36.00 | |
| 6 | BERRIZ, Adam | JR | Dr. Phillips | 4:36.47 | Test Demo Meet |
| 7 | MORALES, Landon | SO | Lake Wales | 4:36.47 | Polk County Championship 2019 |
| 8 | HERNANDEZ, John-Anthony | SR | St. Cloud | 4:37.09 | FHSAA 4A Region 2 and FHSAA 3A Region 2 |
| 9 | CHEATHAM, Kai | SR | Cocoa Beach | 4:38.49 | 4:38.49 Astronaut developmental meet #2 |
| 10 | BONELL, Caleb | JR | Cocoa Beach | 4:40.00 | |
| 11 | BARRON, Pierce | SR | Timber Creek | 4:40.51 | 4:40.51 Highlander Classic 2019 |
| 12 | NABERHAUS, Robbie | JR | Viera | 4:42.66 | Merritt Island Track and Field Invitational |
| 13 | CASTRO, Adolfo | SR | Tohopekaliga (Kissimmeee) | 4:43.18 | 4:43.18 Charger Invitational |
| 14 | GORMAN, Joshua | JR | South Fork | 4:44.47 | FHSAA 3A District 14 |
| 15 | GRAHAM, Harrison | JR | IMG Academy | 4:45.00 | |
| 16 | BURGOS, Izaiah | SR | Timber Creek | 4:47.64 | 4:47.64 Highlander Classic 2019 |
| 17 | PIOTROWSKI, Cole | JR | IMG Academy | 4:48.00 | |
| 18 | SICO, Aiden | SO | Timber Creek | 4:49.91 | |
| 19 | LOPEZ, Ashton | SO | Ridge Community | 4:50.00 | |
| 20 | RANEY, Cameron | FR | Viera | 4:50.00 | |
| 21 | LIS, Henson | FR | Dr. Phillips | 4:50.02 | |
| 22 | ROMER, Stephen | JR | Harmony | 4:51.59 | 4:51.59 Orange Belt Conference Championships |
| 23 | BARRAGAN, Eduardo | SO | South Fork | 4:52.45 | FHSAA 3A District 14 |
| 24 | FREDERIC, Maxwell | SR | New Dimensions | 4:53.50 | Winter Haven Invitational |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | LATIMER, Kobe | SR | IMG Academy | 4:55.00 | |
| 2 | STROMBERG, Kyle | SR | Seminole (Sanford) | 4:56.69 | FHSAA 4A District 2 |
| 3 | WOOD, Nolan | FR | Winter Park | 4:58.88 | Bob Mosher Wildcat Open 2020 |
| 4 | BERGSTROM, Hunter | SR | Melbourne | 4:59.01 | MIHS Developmental Meet |
| 5 | YI, Conner | SO | Harmony | 5:01.62 | St. Cloud Developmental Meet |
| 6 | ORTIZ, Ricardo | JR | Tohopekaliga (Kissimmeee) | 5:02.01 | Tohopekaliga Developmental Meet |
| 7 | JEAN, Joel | FR | Harmony | 5:02.07 | St. Cloud Developmental Meet |
| 8 | CUDDY, Aidan | JR | St. Cloud | 5:02.75 | St. Cloud Tuesday Night Madness |
| 9 | MENDOZA, Jose | SR | Winter Park | 5:08.98 | |
| 10 | HARRIS, Mario | SR | Osceola (Kissimmee) | 5:09.16 | 5:09.16 Tohopekaliga Tigers Invitational |
| 11 | PORTILLO, Erick | SR | Cypress Creek | 5:09.91 | St. Cloud Developmental Meet |
| 12 | SANGMEISTER, Jack | JR | Lake Nona | 5:09.94 | Metro East Championship 2019 |
| 13 | FLETCHER, Owen | SR | Lake Nona | 5:10.10 | FHSAA 4A District 4 |
| 14 | CAMACHO, Johan | FR | Tohopekaliga (Kissimmeee) | 5:13.54 | Tohopekaliga Developmental Meet |
| 15 | NUNN, Caleb | SO | Lake Nona | 5:13.72 | Bob Mosher Wildcat Open 2020 |
| 16 | GE, Darwin | SR | Melbourne | 5:15.00 | |
| 17 | RUIZ-FELIZ, Armando | JR | New Dimensions | 5:20.44 | FHSAA 1A District 10 |
| 18 | HALLEMEIER, Griffin | SO | Winter Park | 5:22.47 | |
| 19 | CARO, Antonio | FR | Liberty | 5:23.79 | Seminole Invitational at the NTC 2020 |
| 20 | MANZELLA, Daniel | Dr. Phillips | 5:25.02 | 2020 Flagler Pinnacle Pre-Season Classic | |
| 21 | ROJAS, Eduardo | SO | Colonial | 5:27.21 | Bob Mosher Wildcat Open 2020 |
| 22 | BROWN, Elijah | SO | Bartow | 5:27.71 | Winter Haven Invitational |
| 23 | BAILEY, Tai | FR | Seminole (Sanford) | 5:30.00 | |
| 24 | TORRES MERCADO, Yadriel | FR | Cypress Creek | 5:31.30 | Seminole Invitational at the NTC 2020 |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | SALDARRIAGA, Luis | SR | Colonial | 5:32.39 | 5:32.39 Charlie Harris Relays 2019 |
| 2 | KELLY, Aidan | FR | Cocoa Beach | 5:32.97 | MIHS Developmental Meet |
| 3 | MCCLURE, Aaron | JR | Colonial | 5:34.26 | Brian Jaeger Elite Classic 2019 |
| 4 | FELICIANO, Alejandro | FR | Kathleen | 5:35.31 | George Jenkins Invitational Track Meet 2020 |
| 5 | VIERA, Carlos | JR | Kathleen | 5:39.70 | FHSAA 3A District 8 and 4A District 5 |
| 6 | CRUZ, Xavier | FR | Ridge Community | 5:50.00 | |
| 7 | HEISE, Ethan | SO | Melbourne | 5:51.75 | Satellite High Reggie Johnson Memorial Classic 2019 |
| 8 | GONZALEZ, Anthony | FR | Osceola (Kissimmee) | 5:54.35 | St. Cloud Developmental Meet |
| 9 | DAVIS, Travis | SO | Space Coast | 5:58.60 | 5:58.60 Charger Invitational |
| 10 | MARTINEZ, Hector | SR | Osceola (Kissimmee) | 5:59.86 | St. Cloud Developmental Meet |
| 11 | MEDINA PENA, Gadiel | JR | Ridge Community | 6:00.00 | |
| 12 | CASEY, Efa | FR | East River | 6:01.88 | Merritt Island Track and Field Invitational |
| 13 | FREGOSO, Jonathan | SO | Kathleen | 6:05.50 | George Jenkins Invitational Track Meet 2020 |
| 14 | HANLIN , Michael | FR | East River | 6:19.34 | Merritt Island Track and Field Invitational |
| 15 | EUGENE, Calvin | FR | Liberty | 7:13.75 | Seminole Invitational at the NTC 2020 |
| 16 | APONTE BAS, Jose | FR | New Dimensions | 8:27.68 | Tohopekaliga Developmental Meet |
| 17 | CHARLES, Jordan | FR | Bartow | NT | |
| 18 | COWAN, Russell | FR | Space Coast | NT | |
| 19 | GARCES, Glord Kyle | FR | East River | NT | |
| 20 | HUDSON, Isaiah | FR | Bartow | NT | |
| 21 | RAYMOND, Jerry | FR | Liberty | NT | |
| 22 | SHI, Steve | JR | Rockledge | NT | |
| 23 | WHITAKER, Cade | SR | Rockledge | NT |