| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-800 | 1 | 1:55.27 | Goldby, Matthew (2015) (Harry D Jacobs, IL) | IL 3A Boys State Prelims(IL), 2015-05-29(#8) |
| B-800 | 2 | 1:56.74 | Mohr, Maki (2018) (McHenry, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#3) |
| B-800 | 3 | 1:57.28 | Prus, Jon (2017) (Crystal Lake South, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#5) |
| B-800 | 4 | 1:57.30 | Hearne, Scott (2015) (Prairie Ridge, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#2) |
| B-800 | 5 | 1:57.37 | Ponomar, Dylan (2016) (Grayslake North, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#5) |
| B-800 | 6 | 1:57.40 | Aho, Jack (2017) (Grayslake Central, IL) | Grayslake Central / Huntley Boys Dual(IL), 2015-05-11(#1) |
| B-800 | 7 | 1:57.98 | Ross, Kyle (2016) (Harry D Jacobs, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#5) |
| B-800 | 8 | 1:58.96 | Thomas, James (2016) (Grayslake North, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#7) |
| B-800 | 9 | 1:59.14 | Thomas, Jc (2016) (Grayslake North, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#7) |
| B-800 | 10 | 1:59.36 | Brunk, Max (2015) (Grayslake Central, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#8) |
| B-800 | 11 | 2:00.14 | Battin, Kyle (2015) (Dundee-Crown, IL) | IL 3A West Aurora Boys Sectional(IL), 2015-05-21(#7) |
| B-800 | 12 | 2:00.56 | Kazin, Mitch (2015) (Prairie Ridge, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#7) |
| B-800 | 13 | 2:01.38 | Grocholski, Mike (2016) (Huntley, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#10) |
| B-800 | 14 | 2:01.40 | Zanetti, Nick (2016) (Cary-Grove Community, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#8) |
| B-800 | 15 | 2:02.21 | Bush, Ryan (2015) (Crystal Lake Central, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#12) |
| B-800 | 16 | 2:02.26 | Vincent, Daniel (2016) (Grayslake Central, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#11) |
| B-800 | 17 | 2:02.33 | Hillier, Steven (2016) (Crystal Lake Central, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#14) |
| B-800 | 18 | 2:02.50 | Cain, Doug (2016) (Crystal Lake South, IL) | Crystal Lake South Boys Triangular(IL), 2015-05-04(#3) |
| B-800 | 19 | 2:02.72 | Parreno, Sam (2015) (Dundee-Crown, IL) | IL 3A West Aurora Boys Sectional(IL), 2015-05-21(#12) |
| B-800 | 20 | 2:02.88 | Minsky, Eli (2018) (Grayslake Central, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#15) |
| B-800 | 21 | 2:03.19 | Long, Jesse (2016) (Woodstock North, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#16) |
| B-800 | 22 | 2:03.40 | Miller, Jack (2016) (McHenry, IL) | Crystal Lake South Boys Triangular(IL), 2015-05-04(#4) |
| B-800 | 23 | 2:03.73 | Williams, Tommy (2017) (Cary-Grove Community, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#18) |
| B-800 | 24 | 2:04.10 | Melone, Tommy (2016) (Crystal Lake South, IL) | Hampshire Boys Triangular(IL), 2015-04-27(#2) |
| B-800 | 25 | 2:04.33 | Schmidt, Zach (Woodstock North, IL) | IL 2A Richmond-Burton Boys Sectional(IL), 2015-05-22(#3) |
| B-800 | 26 | 2:04.45 | Bollman, Zach (2016) (Huntley, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#13) |
| B-800 | 27 | 2:04.71 | Green, Elijah (2015) (Huntley, IL) | Minooka Boys Invitational(IL), 2015-04-18(#9) |
| B-800 | 28 | 2:04.87 | Madoch, Danny (2016) (Harry D Jacobs, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#3) |
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| | | See more performances for B-800 | | |
