1 turn stagger
| W | World | 1:40.91 | David Rudisha | KEN | 7/9/2012 | London, GBR |
| U | American | 1:42.60 | Johnny Gray | Santa Monica TC | 7/28/1985 | Koblenz, GER |
| L | 2014 Winner | 1:47.73 | Joe McAsey | Illinois | ||
| C | Collegiate | 1:44.55 | Julius Achon | George Mason | 4/4/1996 | Fairfax, VA |
| B | Conference Meet | 12.00 | Casimir Loxsom | Penn State | 2012 | Madison, WI |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | Munley, Brennan | FR | Michigan | 1:50.24 | 1:50.24 Cal-Michigan-Virginia Tri Meet |
| 3 | Kuehr, Trevor | FR | Illinois | 1:51.93 | 1:51.93 Musco Invitational |
| 4 | Mohammed, Moujtaba | FR | Nebraska | 1:50.69 | 1:50.69 Husker Spring Invitational |
| 5 | Teubel, Will | JR | Iowa | 1:48.60 | 1:48.60 2015 Beach Invitational |
| 6 | Huntoon, Jordan | FR | Indiana | 1:52.15 | 1:52.15 2015 Arizona State Pac-12 vs Big 10 Invitational |
| 8 | McAsey, Joe | JR | Illinois | 1:47.91 | 1:47.91 Payton Jordan Invitational |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | Fleming, Jared | SO | Ohio State | 1:49.92 | 1:49.92 Virginia Challenge |
| 3 | Wallace, Brandon | JR | Michigan St. | 1:51.23 | 1:51.23 ACC-Big Ten Challenge |
| 4 | Wiebke, Derek | FR | Minnesota | 1:51.22 | 1:51.22 Baldy Castillo Invitational |
| 5 | Hechsel, Mitch | SO | Minnesota | 1:49.65 | 1:49.65 Tom Cat Twilight |
| 6 | Haag, Ryan | JR | Michigan St. | 1:52.47 | 1:52.47 Ohio State - Jesse Owens Classic |
| 7 | Dorman, Ryan | FR | Iowa | 1:53.26 | 1:53.26 Musco Invitational |
| 8 | Kidder, Brannon | JR | Penn State | 1:45.58 | 1:45.58 Payton Jordan Invitational |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | Johnson, Bradley | SO | Minnesota | 1:49.97 | 1:49.97 Stanford Invitational |
| 3 | Dvorak, Scott | JR | Michigan | 1:51.34 | 1:51.34 Payton Jordan Invitational |
| 4 | Trettel, Dan | JR | Maryland | 1:50.84 | 1:50.84 Morgan State Legacy Track & Field Meet |
| 5 | Deng, Goaner | JR | Minnesota | 1:49.36 | 1:49.36 Texas Invitational |
| 6 | Jaeger, Brendan | SO | Rutgers | 1:52.36 | 1:52.36 Princeton Open (College) |
| 7 | Rivera, Brad | SO | Penn State | 1:53.50 | 1:53.50 Jim Thorpe Open |
| 8 | Kuhn, Daniel | FR | Indiana | 1:47.80 | 1:47.80 2015 Arizona State Pac-12 vs Big 10 Invitational |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | Lilly, Carter | FR | Iowa | 1:50.12 | 1:50.12 Mt. SAC Relays |
| 3 | Wissler, Austin | SR | Michigan St. | 1:51.77 | 1:51.77 Ohio State - Jesse Owens Classic |
| 4 | Johnson, Anthony | SO | Ohio State | 1:50.75 | 1:50.75 San Francisco State Distance Carnival |
| 5 | Rhodes, Robert | JR | Penn State | 1:49.04 | 1:49.04 Florida Relays |
| 6 | Clifton, Ed | JR | Michigan St. | 1:52.29 | 1:52.29 Al Owens Open |
| 7 | Brennan, Ryan | SR | Penn State | 1:53.51 | 1:53.51 Payton Jordan Invitational |
| 8 | Kinnaird, Tre'tez | SO | Indiana | 1:47.91 | 1:47.91 2015 Billy Hayes Invitational |
| W | World | 1:40.91 | David Rudisha | KEN | 7/9/2012 | London, GBR |
| U | American | 1:42.60 | Johnny Gray | Santa Monica TC | 7/28/1985 | Koblenz, GER |
| L | 2014 Winner | 1:47.73 | Joe McAsey | Illinois | ||
| C | Collegiate | 1:44.55 | Julius Achon | George Mason | 4/4/1996 | Fairfax, VA |
| B | Conference Meet | 12.00 | Casimir Loxsom | Penn State | 2012 | Madison, WI |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | Johnson, Anthony | SO | Ohio State | 1:49.53 | 1:50.75 San Francisco State Distance Carnival |
| 2 | Hechsel, Mitch | SO | Minnesota | 1:48.96 | 1:49.65 Tom Cat Twilight |
| 3 | McAsey, Joe | JR | Illinois | 1:49.33 | 1:47.91 Payton Jordan Invitational |
| 4 | Kidder, Brannon | JR | Penn State | 1:47.98 | 1:45.58 Payton Jordan Invitational |
| 5 | Deng, Goaner | JR | Minnesota | 1:49.28 | 1:49.36 Texas Invitational |
| 6 | Kinnaird, Tre'tez | SO | Indiana | 1:48.91 | 1:47.91 2015 Billy Hayes Invitational |
| 7 | Teubel, Will | JR | Iowa | 1:49.76 | 1:48.60 2015 Beach Invitational |
| 8 | Munley, Brennan | FR | Michigan | 1:50.16 | 1:50.24 Cal-Michigan-Virginia Tri Meet |
| 9 | Johnson, Bradley | SO | Minnesota | 1:49.84 | 1:49.97 Stanford Invitational |