| W | World Indoor | 19.92 | Frank Fredericks | NAM | 2/18/1996 | Lievin, France |
| A | American Indoor | 20.10 | Wallace Spearmon | Arkansas | 3/11/2005 | Fayetteville, AR |
| C | Collegiate Indoor | 20.10 | Wallace Spearmon | Arkansas | 3/11/2005 | Fayetteville, AR |
| F | Facility | 20.34 | Jereem Richards | Alabama | 2/25/2017 |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | RICHEMOND, ALEXANDER | SR | SO. MISS. | 20.96 | Southern Miss Open |
| 4 | ASEMOTA, DUAN | SR | OHIO STATE | 20.66 | Big Ten Outdoor Championships |
| 5 | GRAY, NICK | JR | OHIO STATE | 19.96 | Big Ten Outdoor Championships |
| 6 | DEMOSS, DAVON | JR | MEMPHIS | 20.65 | The American Outdoor Track & Field Championships |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | HARRISON, ERIC | FR | OHIO STATE | 21.21 | 2018 Kentucky Invitational |
| 3 | BUSH, WILLIAM | JR | W. KENTUCKY | 21.09 | 2017 WKU Hilltopper Relays |
| 4 | SERRETTE, CREIGHTON | SR | UNATTACHED | 20.98 | 20.98 opener |
| 5 | PARMLEY, TRISTAN | SR | INDIANA ST. | 20.91 | 2017 MVC Outdoor Track and Field Championships |
| 6 | GUNNARSSON, KOLBEINN | SO | MEMPHIS | 20.96 | 2017 Rhodes Invitational |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | MOTT, TAVONTE | FR | OHIO STATE | 21.64 | 2018 Kentucky Invitational |
| 3 | HULON, JEFFREY | FR | OHIO STATE | 21.62 | Michigan Simmons-Harvey Quad |
| 4 | CLARKE, ANTONIO | SR | MICHIGAN ST. | 21.58 | Big Ten Indoor Track and Field Championships |
| 5 | HAYES, AUSTIN | JR | W. KENTUCKY | 21.28 | 2017 Conference USA Outdoor Track & Field Championship |
| 6 | GATES, KYMARI | JR | W. KENTUCKY | 21.49 | 21.49 |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | MAYBERRY, RYAN | UNA | UNAT- SIU | 21.83 | 2017 MVC Indoor Track & Field Championships |
| 3 | BISHOP, ANDREW | JR | MEMPHIS | 21.79 | Vanderbilt Opener |
| 4 | MCDOWELL, JEREMY | UNATTACHED | 21.79 | 21.79 MTSU Invitational | |
| 5 | JACKSON, JERRY | SR | OHIO STATE | 21.69 | 21.69 |
| 6 | PERSIADO, IMRI | SO | MEMPHIS | 21.74 | 2018 KMS Invitational |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | REGISTER, STEVE | UNATTACHED | 22.10 | 22.1 | |
| 3 | COOPER, JOSEPH | FR | OHIO STATE | 21.90 | 21.90 |
| 4 | WILLINGHAM, JOSH | SR | MISS. STATE | 21.89 | 2017 Bulldog Relays |
| 5 | RASPO, ANDREW | SO | OLE MISS | 21.83 | SEC Relays |
| 6 | EVANS, BRIAN | SO | MISS. STATE | 21.88 | Razorback Invitational |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | MCPHERSON, AJANI | UNATTACHED | NT | ||
| 2 | SEWARD, DAJUAN | JR | OHIO STATE | 22.38 | Dr Sander Invitational Columbia Challenge |
| 3 | PENTON, FORREST | SR | SO. MISS. | 22.27 | UAB Vulcan Invitational |
| 4 | JEFF, ANDRE | FR | OHIO STATE | 22.17 | 2018 Kentucky Invitational |
| 5 | MCGLUEN, JOHNNY | FR | SO. ILLINOIS | 22.13 | Vanderbilt Invitational |
| 6 | CHAMBERS, MYKEL | JR | CINCINNATI | 22.14 | All Ohio Champs |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | TAYLOR-JONES, ALONZO | FR | SO. ILLINOIS | 22.89 | Don DeNoon Ivitational |
| 3 | BUDDE, KALEB | FR | INDIANA ST. | 22.89 | 22.89 |
| 4 | CROFT, JAMES | FR | SO. ILLINOIS | 22.72 | Black & Gold Premier |
| 5 | TURNER, KEVIN | JR | SO. ILLINOIS | 22.64 | Saluki Fast Start |
| 6 | SHAW, JAREL | FR | INDIANA ST. | 22.66 | 2018 Meyo Invitational |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | COX, CAMERON | SR | SO. MISS. | NT | NT |
| 3 | AUSTIN, CALVIN | FR | MEMPHIS | NT | NT |
| 4 | WISE III, HERBERT | SO | MISS. STATE | 23.94 | LSU Alumni Gold |
| 5 | RIALS, HAROLD | SO | SO. ILLINOIS | 23.04 | Vanderbilt Invitational |
| 6 | REIFSTECK, BLAKE | FR | INDIANA ST. | 23.24 | Terre Haute Double Dual |