| Event | Rank | Mark | By | Meet |
| B-800 | 1 | 1:51.58 | Hutsalyuk, Pavlo (2015) (Lane Technical, IL) (US#47) | Midwest Distance Classic(IL), 2015-06-13(#4) |
| | | National Elites above. State Elites below | | |
| B-800 | 2 | 1:56.91 | Protsiv, Mark (2015) (Jones College Prep, IL) | Minooka Boys Invitational(IL), 2015-04-18(#1) |
| B-800 | 3 | 1:57.07 | Sarchet, Will (2015) (Jones College Prep, IL) | Chicago Public League City Championships(IL), 2015-05-09(#2) |
| B-800 | 4 | 1:57.59 | Ma, Kevin (2015) (Whitney Young, IL) | Lane Tech Boys Quintangular(IL), 2015-04-16(#2) |
| B-800 | 5 | 1:57.87 | Worku, Keduse (2017) (Whitney Young, IL) | Lane Tech Boys Quintangular(IL), 2015-04-16(#3) |
| B-800 | 6 | 1:58.49 | Tobias, Abraham (2015) (Taft, IL) | IL 3A Northside Prep Boys Sectional(IL), 2015-05-22(#1) |
| B-800 | 7 | 1:58.74 | Radomski, Evan (2017) (Whitney Young, IL) | IL 3A Northside Prep Boys Sectional(IL), 2015-05-22(#2) |
| B-800 | 8 | 1:59.61 | Rosen, Danny (2016) (Northside Prep, IL) | EIU Race At State(IL), 2015-05-29(#3) |
| B-800 | 9 | 1:59.94 | Lasota, Sam (2015) (Payton College Preparatory, IL) | IL 2A Boys State Prelims(IL), 2015-05-29(#13) |
| B-800 | 10 | 2:00.31 | Grba, Malcolm (2015) (Northside Prep, IL) | CPS Boys Varsity Trials(IL), 2015-05-06(#6) |
| B-800 | 11 | 2:01.72 | Cardiel, Arturo (2015) (Lane Technical, IL) | Lane Tech Boys Quintangular(IL), 2015-04-16(#6) |
| B-800 | 12 | 2:01.92 | Santoro, Arthur (2017) (Jones College Prep, IL) | Minooka Boys Invitational(IL), 2015-04-18(#6) |
| B-800 | 13 | 2:03.18 | Sandberg, Charles (2016) (Whitney Young, IL) | Lane Tech Boys Quintangular(IL), 2015-04-16(#7) |
| B-800 | 14 | 2:03.20 | Triplett, Nick (2017) (Lindblom College Preparatory, IL) | IL 2A Robeson Boys Sectional(IL), 2015-05-21(#1) |
| B-800 | 15 | 2:03.33 | Badillo, Christian (2015) (Lane Technical, IL) | St. Ignatius / Lane Tech Co-Ed Dual(IL), 2015-04-08(#1) |
| B-800 | 16 | 2:03.44 | Rodriguez, Eduardo (2017) (Lindblom College Preparatory, IL) | IL 2A Robeson Boys Sectional(IL), 2015-05-21(#2) |
| B-800 | 17 | 2:03.48 | Redman, Jerome (2015) (Dusable, IL) | Chicago Public League City Championships(IL), 2015-05-09(#9) |
| B-800 | 18 | 2:03.92 | Granderson, Lz (2015) (Lincoln Park, IL) | CPS Boys Varsity Trials(IL), 2015-05-06(#9) |
| B-800 | 19 | 2:04.02 | Redmond, Jerome (2015) (Dusable, IL) | IL 2A Robeson Boys Sectional(IL), 2015-05-21(#3) |
| B-800 | 20 | 2:04.08 | Anaclet, Bukuru (2017) (Von Steuben Metro Science, IL) | CPS Boys Varsity Trials(IL), 2015-05-06(#10) |
| B-800 | 21 | 2:04.10 | Maloney, Kyle (2015) (Jones College Prep, IL) | Lane Tech Intra City Meet(IL), 2015-04-04(#2) |
| B-800 | 22 | 2:04.16 | Melvin, Davis (Orr Community Academy, IL) | IL 2A Marshall Boys Sectional(IL), 2015-05-21(#2) |
| B-800 | 23 | 2:04.34 | West, Alex (2016) (Whitney Young, IL) | Wanner Knights Invitational(IL), 2015-05-01(#18) |
| B-800 | 24 | 2:04.86 | Vargas, Alejandro (2017) (Payton College Preparatory, IL) | IL 2A Marshall Boys Sectional(IL), 2015-05-21(#3) |
| B-800 | 25 | 2:04.96 | Taylor, Nathan (2015) (Whitney Young, IL) | NIB-12 Boys Conference Meet(IL), 2015-05-15(#2) |
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| | | See more performances for B-800 | | |
