| Event | Rank | Mark | By | Meet |
| B-800 | 403 | 2:03.47 | Moore, Patrick (2017) (Niles North, IL) | IL 1A Boys State Prelims(IL), 2015-05-28(#16) |
| B-800 | 404 | 2:03.48 | Redman, Jerome (2015) (Dusable, IL) | Chicago Public League City Championships(IL), 2015-05-09(#9) |
| B-800 | 404 | 2:03.48 | Flores, Noe (2017) (Putnam County, IL) | IL 1A Bureau Valley Boys Sectional(IL), 2015-05-22(#2) |
| B-800 | 406 | 2:03.50 | Soria, Nathan (2017) (Geneseo, IL) | United Township Kiwanis Invitational(IL), 2015-04-11(#2) |
| B-800 | 406 | 2:03.50 | Johnsrud, Peter (2015) (Oswego, IL) | Waubonsie Valley - Oswego Boys Dual(IL), 2015-04-11(#2) |
| B-800 | 408 | 2:03.51 | Bluhm, Ethan (2015) (Sacred Heart-Griffin, IL) | Gene Ward Invitational(IL), 2015-05-01(#6) |
| B-800 | 408 | 2:03.51 | Giuliano, Jason (2016) (Conant, IL) | Mid-Suburban League Boys Championships(IL), 2015-05-15(#9) |
| B-800 | 408 | 2:03.51 | Dowdle, Casey (2015) (Oswego East, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#19) |
| B-800 | 411 | 2:03.54 | Ruiz, Julian (2017) (Warren Township, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#13) |
| B-800 | 412 | 2:03.57 | Graff, Kyle (2016) (Lincoln-Way North, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#11) |
| B-800 | 413 | 2:03.59 | Harper, Nick (2015) (Althoff, IL) | IL 1A Chester Boys Sectional(IL), 2015-05-21(#1) |
| B-800 | 414 | 2:03.62 | Feldman, Josh (2015) (Hinsdale Central, IL) | EIU Race At State(IL), 2015-05-29(#5) |
| B-800 | 415 | 2:03.63 | Rodriguez, Alex (2015) (Brother Rice, IL) | Pete Struck Eagle Classic(IL), 2015-05-01(#5) |
| B-800 | 416 | 2:03.64 | Skinner, Marcus (2016) (Shelbyville, IL) | Tri-County Invitational(IL), 2015-04-21(#2) |
| B-800 | 416 | 2:03.64 | Butler, Dillon (2017) (Normal Community, IL) | IL 3A Normal West Boys Sectional(IL), 2015-05-22(#15) |
| B-800 | 418 | 2:03.67 | Struckman, Ryan (2018) (New Trier Township, IL) | CSL-South Boys Conference Meet(IL), 2015-05-15(#2) |
| B-800 | 419 | 2:03.73 | Williams, Tommy (2017) (Cary-Grove Community, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#18) |
| B-800 | 420 | 2:03.77 | Benedetto, Dan (Tri-Valley, IL) | IL 1A Paxton-Buckley-Loda Boys Sectional(IL), 2015-05-21(#1) |
| B-800 | 421 | 2:03.80 | Rushing, Mitchell (2015) (Marion, IL) | Granite City Invitational(IL), 2015-04-17(#7) |
| B-800 | 422 | 2:03.82 | Manuel, Bryaun (2018) (East St. Louis-Senior, IL) | St. Clair County Boys Championships(IL), 2015-04-28(#9) |
| B-800 | 422 | 2:03.82 | Izewski, Nate (2017) (Palatine, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#14) |
| B-800 | 422 | 2:03.82 | Maushard, Mitchell (2017) (Notre Dame, IL) | IL 2A Macomb Boys Sectional(IL), 2015-05-21(#7) |
| B-800 | 425 | 2:03.84 | Piper, Cullen (2016) (Naperville Central, IL) | DuPage Valley Boys Conference Meet(IL), 2015-05-15(#6) |
| B-800 | 425 | 2:03.84 | Thurman, Tanner (2015) (Plainfield North, IL) | Hunt Invitational(IL), 2015-04-30(#6) |
| B-800 | 427 | 2:03.86 | Baker, D'Angelo (2016) (O'Fallon, IL) | Belleville West Boys Invitational(IL), 2015-04-11(#11) |
| B-800 | 427 | 2:03.86 | Kasten, Isaac (2015) (Champaign Central, IL) | Gene Ward Invitational(IL), 2015-05-01(#7) |
| B-800 | 429 | 2:03.87 | Dunkelbarger, Kolton (2018) (Pekin Community, IL) | IL 3A Normal West Boys Sectional(IL), 2015-05-22(#16) |
| B-800 | 430 | 2:03.90 | Kelty, Owen (Oswego, IL) | Southwest Prairie Boys Conference Meet(IL), 2015-05-14(#9) |
| B-800 | 430 | 2:03.90 | Mason, Matt (Minooka Community, IL) | Southwest Prairie Boys Conference Meet(IL), 2015-05-14(#1) |
| B-800 | 432 | 2:03.91 | Peters, Logan (2016) (Monticello, IL) | IL 2A Mattoon Boys Sectional(IL), 2015-05-21(#7) |
| B-800 | 433 | 2:03.92 | Granderson, Lz (2015) (Lincoln Park, IL) | CPS Boys Varsity Trials(IL), 2015-05-06(#9) |
| B-800 | 434 | 2:03.93 | Owens, Mitch (2015) (Williamsville, IL) | Jockish-Grandone Invitational(IL), 2015-05-02(#3) |
| B-800 | 434 | 2:03.93 | Lewis, Jerimiah (2016) (Proviso East, IL) | IL 3A Northside Prep Boys Sectional(IL), 2015-05-22(#6) |
| B-800 | 436 | 2:03.98 | Laning, Ben (2015) (Barrington, IL) | Lake County Boys Championships(IL), 2015-05-09(#11) |
| B-800 | 437 | 2:04.00 | Tidwell, Rob (2015) (Lincoln-Way North, IL) | Haake Boys Invitational(IL), 2015-04-18(#3) |
| B-800 | 437 | 2:04.00 | Peters, Jace (2015) (Clifton Central, IL) | IL 1A Paxton-Buckley-Loda Boys Sectional(IL), 2015-05-21(#2) |
| B-800 | 439 | 2:04.02 | Eifler, John (2018) (Naperville North, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#5) |
| B-800 | 439 | 2:04.02 | Redmond, Jerome (2015) (Dusable, IL) | IL 2A Robeson Boys Sectional(IL), 2015-05-21(#3) |
| B-800 | 441 | 2:04.05 | Palmer, Will (2016) (Belvidere North, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#12) |
| B-800 | 442 | 2:04.06 | Fish, Peter (2016) (Downers Grove North, IL) | Wanner Knights Invitational(IL), 2015-05-01(#16) |
| B-800 | 443 | 2:04.08 | Anaclet, Bukuru (2017) (Von Steuben Metro Science, IL) | CPS Boys Varsity Trials(IL), 2015-05-06(#10) |
| B-800 | 444 | 2:04.10 | Maloney, Kyle (2015) (Jones College Prep, IL) | Lane Tech Intra City Meet(IL), 2015-04-04(#2) |
| B-800 | 444 | 2:04.10 | Melone, Tommy (2016) (Crystal Lake South, IL) | Hampshire Boys Triangular(IL), 2015-04-27(#2) |
| B-800 | 446 | 2:04.11 | Manion, Tyler (2015) (Granite City, IL) | Madison County Championships(IL), 2015-04-28(#3) |
| B-800 | 446 | 2:04.11 | Miller, John (Champaign Central, IL) | Big 12 Boys F/S Conference Meet(IL), 2015-05-09(#3) |
| B-800 | 448 | 2:04.12 | Reffat, Ibraheem (2016) (Lakes, IL) | Wanner Knights Invitational(IL), 2015-05-01(#17) |
| B-800 | 449 | 2:04.15 | Barr, Martin (2016) (Niles North, IL) | Springfield Boys Open(IL), 2015-04-04(#3) |
| B-800 | 449 | 2:04.15 | Cheshire, Logan (2015) (Sterling, IL) | Northern Illinois Invitational(IL), 2015-05-08(#5) |
| B-800 | 451 | 2:04.16 | Mcmarrow, Charles (2017) (Batavia, IL) | Kane County Boys Championships(IL), 2015-05-09(#7) |
| B-800 | 451 | 2:04.16 | Melvin, Davis (Orr Community Academy, IL) | IL 2A Marshall Boys Sectional(IL), 2015-05-21(#2) |
| B-800 | 453 | 2:04.17 | Linares, Rafael (2016) (Lyons Township, IL) | EIU Race At State(IL), 2015-05-29(#7) |
| B-800 | 454 | 2:04.19 | Hicks, Scott (2015) (Naperville Central, IL) | Wheaton North Best 4 Invitational(IL), 2015-04-11(#4) |
| B-800 | 455 | 2:04.20 | Shim, Justin (2015) (Lake Zurich, IL) | Warren Boys Invitational(IL), 2015-04-18(#6) |
| B-800 | 455 | 2:04.20 | Devereux, Tom (2016) (York Community, IL) | York Boys Triangular(IL), 2015-04-11(#6) |
| B-800 | 455 | 2:04.20 | Milburn, Shane (Reed-Custer, IL) | Herscher Invitational(IL), 2015-05-01(#3) |
| B-800 | 455 | 2:04.20 | Caruthers, Bailey (Waverly, IL) | IL 1A Staunton Sectional(IL), 2015-05-21(#2) |
| B-800 | 455 | 2:04.20 | Osley, Charles (2016) (Mattoon, IL) | Big Trojan Invitational(IL), 2015-05-13(#1) |
| B-800 | 460 | 2:04.22 | Kim, Karrington (2017) (Naperville North, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#21) |
| B-800 | 461 | 2:04.23 | Manion, Zach (2015) (Granite City, IL) | Collinsville Boys Invitational(IL), 2015-05-09(#9) |
| B-800 | 462 | 2:04.28 | Irvine, Andrew (2016) (Hinsdale Central, IL) | LWW Warrior Invitational(IL), 2015-05-01(#7) |
| B-800 | 463 | 2:04.30 | Blenkush, Garrett (O'Fallon, IL) | O'Fallon / Belleville West Boys Dual(IL), 2015-03-16(#3) |
| B-800 | 463 | 2:04.30 | Sierra, Alex (2017) (Manual, IL) | IL 2A Macomb Boys Sectional(IL), 2015-05-21(#9) |
| B-800 | 463 | 2:04.30 | Otto, Nathan (2016) (Hoffman Estates, IL) | IL 3A West Aurora Boys Sectional(IL), 2015-05-21(#14) |
| B-800 | 466 | 2:04.32 | Pall, Alex (2017) (Lyons Township, IL) | WSC-Silver Boys Conference Meet(IL), 2015-05-16(#2) |
| B-800 | 467 | 2:04.33 | Schmidt, Zach (Woodstock North, IL) | IL 2A Richmond-Burton Boys Sectional(IL), 2015-05-22(#3) |
| B-800 | 468 | 2:04.34 | Crail, Nathan (2015) (Glenbard West, IL) | Red Grange Invitational(IL), 2015-04-24(#3) |
| B-800 | 468 | 2:04.34 | West, Alex (2016) (Whitney Young, IL) | Wanner Knights Invitational(IL), 2015-05-01(#18) |
| B-800 | 470 | 2:04.36 | Schwartz, Jake (2017) (Waterloo, IL) | Jockish-Grandone Invitational(IL), 2015-05-02(#4) |
| B-800 | 471 | 2:04.40 | Von der Lippe, Grant (2015) (John Hersey, IL) | Travis ABC Invitational(IL), 2015-04-24(#2) |
| B-800 | 471 | 2:04.40 | Levine, Chris (2016) (Naperville Central, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#22) |
| B-800 | 473 | 2:04.41 | Knudsen, Soren (2017) (Minooka Community, IL) | Minooka Boys Quad(IL), 2015-04-30(#1) |
| B-800 | 473 | 2:04.41 | Psenka, Collin (2015) (Carmel Catholic, IL) | East Suburban Catholic Boys Conference Meet(IL), 2015-05-13(#5) |
| B-800 | 475 | 2:04.44 | Mcmahon, Brian (2015) (Carl Sandburg, IL) | Pete Struck Eagle Classic(IL), 2015-05-01(#6) |
| B-800 | 476 | 2:04.45 | Bollman, Zach (2016) (Huntley, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#13) |
| B-800 | 477 | 2:04.48 | Jeske, Chris (2016) (St. Ignatius, IL) | Carlin Nalley Invitational(IL), 2015-05-09(#9) |
| B-800 | 478 | 2:04.53 | Dykstra, Michael (2015) (Faith Lutheran, IL) | IL 1A Boys State Prelims(IL), 2015-05-28(#20) |
| B-800 | 479 | 2:04.56 | Kolb, Josh (2016) (O'Fallon, IL) | Belleville West Boys Invitational(IL), 2015-04-11(#13) |
| B-800 | 480 | 2:04.58 | Boyd, Mikael (2017) (Bloom Township, IL) | Southland Athletic Boys Conference Meet(IL), 2015-05-13(#3) |
| B-800 | 480 | 2:04.58 | Jacobs, Tristan (2016) (New Trier Township, IL) | IL 3A Loyola Academy Boys Sectional(IL), 2015-05-21(#15) |
| B-800 | 480 | 2:04.58 | Vessley, Kirk (Paxton-Buckley-Loda, IL) | St. Joseph-Ogden Spartan Classic(IL), 2015-05-01(#8) |
| B-800 | 480 | 2:04.58 | Haye, Brandon (Wauconda Comm, IL) | IL 2A Richmond-Burton Boys Sectional(IL), 2015-05-22(#4) |
| B-800 | 484 | 2:04.59 | Johnson, Gabe (2016) (Geneseo, IL) | IL 2A LaSalle-Peru Boys Sectional(IL), 2015-05-22(#5) |
| B-800 | 485 | 2:04.60 | Neubauer, Kyle (2015) (Burlington Central, IL) | Mike VanDeever Invitational(IL), 2015-04-18(#4) |
| B-800 | 486 | 2:04.61 | Baldwin, Dashawn (2017) (East St. Louis-Senior, IL) | Marion Freeman Invitational(MO), 2015-05-02(#8) |
| B-800 | 487 | 2:04.64 | Sabastian, Brendon (LaSalle-Peru, IL) | IL 2A LaSalle-Peru Boys Sectional(IL), 2015-05-22(#6) |
| B-800 | 488 | 2:04.65 | Bonanotte, Jacob (2016) (Saint Viator, IL) | East Suburban Catholic Boys Conference Meet(IL), 2015-05-13(#6) |
| B-800 | 489 | 2:04.66 | Wagner, Eric (John Hersey, IL) | Mid-Suburban League Boys Championships(IL), 2015-05-15(#2) |
| B-800 | 490 | 2:04.69 | Mongan, Jack (2017) (Brother Rice, IL) | Chicago Catholic League Championships(IL), 2015-05-16(#6) |
| B-800 | 491 | 2:04.71 | Green, Elijah (2015) (Huntley, IL) | Minooka Boys Invitational(IL), 2015-04-18(#9) |
| B-800 | 492 | 2:04.74 | Fashingoma, Mugisha (2015) (Rock Island, IL) | Dick Beebe Track Classic(IL), 2015-04-18(#3) |
| B-800 | 492 | 2:04.74 | Burroughs, Andrew (2016) (Marmion Academy, IL) | SCC Boys Conference Meet(IL), 2015-05-12(#3) |
| B-800 | 492 | 2:04.74 | Victoria, Michael (2015) (Harrisburg, IL) | Herrin Boys Invitational(IL), 2015-04-15(#2) |
| B-800 | 495 | 2:04.76 | Caples, Kenneth (2015) (Zion-Benton Twnshp, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#16) |
| B-800 | 495 | 2:04.76 | Sapp, Conor (2016) (Moline, IL) | IL 3A Normal West Boys Sectional(IL), 2015-05-22(#18) |
| B-800 | 497 | 2:04.79 | Abraham, Steven (2015) (Wheeling, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#17) |
| B-800 | 498 | 2:04.80 | Dowell, Bradley (2015) (Wheaton North, IL) | Wheaton North Best 4 Invitational(IL), 2015-04-11(#5) |
| B-800 | 499 | 2:04.82 | Vesely, Kirk (Paxton-Buckley-Loda, IL) | IL 1A Paxton-Buckley-Loda Boys Sectional(IL), 2015-05-21(#3) |
| B-800 | 499 | 2:04.82 | Dixon, Cyrus (Thornton Fractional South, IL) | IL 3A Homewood-Flossmoor Boys Sectional(IL), 2015-05-21(#12) |
| B-800 | 501 | 2:04.83 | Warner, Sam (2017) (Bloomington, IL) | Big 12 Boys F/S Conference Meet(IL), 2015-05-09(#5) |
| B-800 | 501 | 2:04.83 | Williams, Jaquere (2017) (Waubonsie Valley, IL) | Take Off and See Me Fly Summer Meet(IL), 2015-06-06(#3) |
| B-800 | 503 | 2:04.84 | Malcom, Shawn (Alleman, IL) | IL 2A LaSalle-Peru Boys Sectional(IL), 2015-05-22(#7) |
| B-800 | 504 | 2:04.85 | Meyer, Jacob (2016) (University of Chicago Lab School, IL) | Independent School League Championships(IL), 2015-05-09(#2) |
| B-800 | 504 | 2:04.85 | Bishop, Mitchel (2017) (DeKalb, IL) | IL 3A Guilford Boys Sectional(IL), 2015-05-21(#14) |
| B-800 | 506 | 2:04.86 | Vargas, Alejandro (2017) (Payton College Preparatory, IL) | IL 2A Marshall Boys Sectional(IL), 2015-05-21(#3) |
| B-800 | 506 | 2:04.86 | Joaquin, Zach (2017) (Bradley-Bourbonnais, IL) | IL 3A Homewood-Flossmoor Boys Sectional(IL), 2015-05-21(#13) |
| B-800 | 508 | 2:04.87 | Madoch, Danny (2016) (Harry D Jacobs, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#3) |
| B-800 | 509 | 2:04.88 | Nunez, Andrew (2017) (Plainfield South, IL) | Southwest Prairie Boys Conference Meet(IL), 2015-05-14(#2) |
| B-800 | 510 | 2:04.90 | Peters, Austin (2015) (Normal Community, IL) | Metamora Co-Ed Invitational(IL), 2015-04-11(#7) |
| B-800 | 510 | 2:04.90 | Peal, A.J. (Plainfield North, IL) | Southwest Prairie Boys Conference Meet(IL), 2015-05-14(#3) |
| B-800 | 512 | 2:04.95 | Hagedorn, Ulysses (2016) (Mundelein Cons, IL) | IL 3A Palatine Boys Sectional(IL), 2015-05-21(#18) |
| B-800 | 513 | 2:04.96 | Albi, Michael (2015) (Crete-Monee, IL) | Dick Beebe Track Classic(IL), 2015-04-18(#4) |
| B-800 | 513 | 2:04.96 | Taylor, Nathan (2015) (Whitney Young, IL) | NIB-12 Boys Conference Meet(IL), 2015-05-15(#2) |
| B-800 | 515 | 2:04.98 | Roegner, Chris (2016) (Rockford Christian, IL) | Matt Wulf Invitational(IL), 2015-04-17(#4) |
| B-800 | 515 | 2:04.98 | Klaus, Matt (2017) (Waubonsie Valley, IL) | Red Ribbon Classic(IL), 2015-05-02(#2) |
| B-800 | 517 | 2:05.00 | Winek, Danny (2018) (Neuqua Valley, IL) | Neuqua Valley / Metea Valley Boys Dual(IL), 2015-05-05(#4) |
| B-800 | 517 | 2:05.00 | Brown, Diyante (2015) (Thornwood, IL) | Southwest Suburban Red Boys Conference Meet(IL), 2015-05-14(#5) |
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