| Event | Rank | Mark | By | Meet |
| | | National Elites above. State Elites below | | |
| B-300H | 128 | 41.10 | Odunewu, Hmaeed (2015) (Mooseheart, IL) | IL 1A Boys State Prelims(IL), 2015-05-28(#10) |
| B-300H | 128 | 41.10 | Formolo, Anderson Jr Winnetka (No (A-C Central, IL) | IL 1A Boys State Prelims(IL), 2015-05-28(#11) |
| B-300H | 130 | 41.11 | Simpson, Devonshe (2015) (Oswego East, IL) | Red Ribbon Classic(IL), 2015-05-02(#5) |
| B-300H | 131 | 41.12 | Hawkins, Donnie (2015) (Willowbrook, IL) | WSC-Gold Boys Conference Meet(IL), 2015-05-15(#2) |
| B-300H | 131 | 41.12 | Povilaitis, Rashawn Marc (Romeoville, IL) | IL 3A Downers Grove South Boys Sectional(IL), 2015-05-22(#4) |
| B-300H | 133 | 41.13 | Kaczmarcyk, Mike (2017) (Shepard, IL) | Rolling Meadows Mustang Classic(IL), 2015-05-01(#1) |
| B-300H | 134 | 41.16 | Taylor, Nathan (2015) (Whitney Young, IL) | Chicago Public League City Championships(IL), 2015-05-09(#2) |
| B-300H | 135 | 41.17 | Walker, Eric (2015) (St. Rita, IL) | Chicago Catholic League Championships(IL), 2015-05-16(#1) |
| B-300H | 136 | 41.18 | Dodd, Alec (2016) (Hononegah, IL) | NIC-10 Boys Conference Meet(IL), 2015-05-15(#3) |
| B-300H | 136 | 41.18 | Ulmer, Nathan (2016) (Plainfield South, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#8) |
| B-300H | 138 | 41.19 | Senturk, Emre (2015) (Crystal Lake Central, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#2) |
| B-300H | 138 | 41.19 | Bleyer, Joseph (2015) (Fenwick, IL) | Chicago Catholic League Championships(IL), 2015-05-16(#2) |
| B-300H | 140 | 41.21 | Musabji, Yash (2016) (Belvidere, IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#7) |
| B-300H | 140 | 41.21 | Miller, Trey (2017) (Lewistown, IL) | Roger Washburn Invitational(IL), 2015-05-01(#1) |
| B-300H | 140 | 41.21 | Falconer, Danny (2015) (Byron, IL) | IL 1A Byron Boys Sectional(IL), 2015-05-22(#2) |
| B-300H | 143 | 41.23 | Loveland, Aaron (2015) (Hononegah, IL) | Red Grange Invitational(IL), 2015-04-24(#2) |
| B-300H | 144 | 41.24 | Miller, Paris (2017) (Glenbard North, IL) | IL 3A York Boys Sectional(IL), 2015-05-22(#7) |
| B-300H | 144 | 41.24 | Wayda, Jake (2015) (Pleasant Plains, IL) | IL 1A Boys State Prelims(IL), 2015-05-28(#13) |
| B-300H | 146 | 41.25 | Riggins, Juwan (2016) (Granite City, IL) | Collinsville Boys Invitational(IL), 2015-05-09(#4) |
| B-300H | 146 | 41.25 | Riley, Jack (2016) (Wheaton North, IL) | IL 3A York Boys Sectional(IL), 2015-05-22(#8) |
| B-300H | 148 | 41.26 | Hecht, Colin (2016) (Effingham, IL) | Belleville West Boys Invitational(IL), 2015-04-11(#11) |
| B-300H | 149 | 41.27 | Christensen, AJ (2018) (Polo Comm, IL) | IL 1A Byron Boys Sectional(IL), 2015-05-22(#3) |
| B-300H | 150 | 41.28 | Kenny, Canyon (2015) (Minooka Community, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#9) |
| B-300H | 151 | 41.30 | Lewis, Don (2015) (Evergreen Park, IL) | South Suburban Red Boys Conference Meet(IL), 2015-05-14(#1) |
| B-300H | 151 | 41.30 | Nickerson, Clayton (2016) (Triad, IL) | Mississippi Valley Boys Conference Meet(IL), 2015-05-13(#2) |
| B-300H | 153 | 41.31 | Mogorovic, Jakob (2016) (Lyons Township, IL) | WSC-Silver Boys Conference Meet(IL), 2015-05-16(#3) |
| B-300H | 154 | 41.32 | Thayer, Alex (Pecatonica, IL) | IL 1A Byron Boys Sectional(IL), 2015-05-22(#4) |
| B-300H | 155 | 41.36 | Poff, Nick (2015) (St. Joseph-Ogden, IL) | Tolono Unity Boys Invitational(IL), 2015-04-24(#1) |
| B-300H | 156 | 41.39 | Watkins, Tanner (2015) (Sycamore, IL) | Gib Seegers Invitational(IL), 2015-05-01(#3) |
| B-300H | 156 | 41.39 | Wingereter, Issiac (2015) (Chester, IL) | IL 1A Boys State Prelims(IL), 2015-05-28(#15) |
| B-300H | 158 | 41.40 | Galarza, Daniel (2015) (Harvard, IL) | Big Northern East Boys Conference Meet(IL), 2015-05-14(#2) |
| B-300H | 158 | 41.40 | Pederson, Andrew (2015) (Hampshire, IL) | Northern Illinois Invitational(IL), 2015-05-08(#5) |
| B-300H | 160 | 41.41 | Mccormick, Tyler (2016) (Carbondale Comm, IL) | IL 2A Triad Boys Sectional(IL), 2015-05-21(#6) |
| B-300H | 160 | 41.41 | Sullivan, Liam (2015) (Neuqua Valley, IL) | IL 3A Northside Prep Boys Sectional(IL), 2015-05-22(#3) |
| B-300H | 160 | 41.41 | Ellens, Chad (2015) (Chicago Christian, IL) | IL 1A Seneca Boys Sectional(IL), 2015-05-22(#2) |
| B-300H | 163 | 41.42 | Brunoehler, Jesse (Sandwich Community, IL) | IL 2A LaSalle-Peru Boys Sectional(IL), 2015-05-22(#5) |
| B-300H | 164 | 41.43 | Beauchem, Isaac (2017) (Carterville, IL) | IL 2A Triad Boys Sectional(IL), 2015-05-21(#7) |
| B-300H | 165 | 41.44 | Berry, Ricky (2017) (Belleville West, IL) | Southwest Boys Conference Meet(IL), 2015-05-13(#5) |
| B-300H | 166 | 41.45 | Binion, Dylan (2016) (Erie-Prophetstown, IL) | Gebhardt-Worley Invitational(IL), 2015-04-11(#1) |
| B-300H | 166 | 41.45 | Petrie, Noah (2017) (Heyworth, IL) | IL 1A Boys State Prelims(IL), 2015-05-28(#17) |
| B-300H | 168 | 41.46 | Otterbach, Bryce (2016) (Mendota, IL) | Big Northern West Boys Conference Meet(IL), 2015-05-14(#1) |
| B-300H | 168 | 41.46 | Hutt, Jalen (2016) (Plainfield East, IL) | IL 3A Plainfield North Boys Sectional(IL), 2015-05-21(#11) |
| B-300H | 170 | 41.47 | Wagner-Zbonski, Steven (2017) (Carl Sandburg, IL) | Southwest Suburban Blue Boys Conference Meet(IL), 2015-05-14(#4) |
| B-300H | 170 | 41.47 | Sandacz, Dan (2015) (McHenry, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#3) |
| B-300H | 170 | 41.47 | Carter, Neiko (Shepard, IL) | IL 3A Downers Grove South Boys Sectional(IL), 2015-05-22(#5) |
| B-300H | 173 | 41.49 | Baker, Kyle (2011) (Leyden , IL) | IL 2A Boys State Prelims(IL), 2015-05-29(#17) |
| B-300H | 174 | 41.50 | Lund, Aaron (2015) (Adlai E Stevenson, IL) | Bob Cohoon Invitational(IL), 2015-04-24(#9) |
| B-300H | 175 | 41.51 | Garcia, Dan (2016) (Palatine, IL) | MSL-West Boys Divisional Championship(IL), 2015-04-28(#4) |
| B-300H | 176 | 41.52 | Carter, Matthew (2015) (Mather, IL) | CPS Boys Varsity Trials(IL), 2015-05-06(#4) |
| B-300H | 176 | 41.52 | Olzsewski, Andrew (2016) (Belvidere North, IL) | NIC-10 Boys Conference Meet(IL), 2015-05-15(#4) |
| B-300H | 178 | 41.53 | Webb, Mitchell (2016) (Metea Valley, IL) | IL 3A West Aurora Boys Sectional(IL), 2015-05-21(#5) |
| B-300H | 179 | 41.54 | Anghel, Bogdan (2015) (Antioch, IL) | North Suburban Boys Conference Meet(IL), 2015-05-14(#6) |
| B-300H | 179 | 41.54 | Mudd, Mark (2016) (Mt. Carmel, IL) | IL 2A Boys State Prelims(IL), 2015-05-29(#18) |
| B-300H | 181 | 41.57 | Dresbach, Luke (2015) (LaSalle-Peru, IL) | John McCormick Invitational(IL), 2015-05-08(#2) |
| B-300H | 182 | 41.61 | Bonk, Dyllan (2016) (Camp Point Central, IL) | IL 1A Beardstown Boys Sectional(IL), 2015-05-22(#2) |
| B-300H | 183 | 41.62 | Huffstutler, Adam (2015) (Mercer County, IL) | Lincoln Trail Conference Meet(IL), 2015-05-08(#1) |
| B-300H | 184 | 41.63 | Povilait, Rashawn Marc (2015) (Romeoville, IL) | Carlin Nalley Invitational(IL), 2015-05-09(#2) |
| B-300H | 184 | 41.63 | Sylveston, Jon (2017) (Proviso East, IL) | IL 3A Northside Prep Boys Sectional(IL), 2015-05-22(#4) |
| B-300H | 186 | 41.64 | Siebert, Gus (2015) (Woodstock, IL) | Fox Valley Boys Conference meet(IL), 2015-05-15(#4) |
| B-300H | 186 | 41.64 | Bowen, James (2015) (Seneca, IL) | Seneca Irish Invitational(IL), 2015-04-17(#1) |
| B-300H | 186 | 41.64 | Burke, Patrick (2016) (Oak Forest, IL) | IL 2A Hillcrest Boys Sectional(IL), 2015-05-22(#4) |
| B-300H | 189 | 41.66 | Johnson, Kevin (2016) (East St. Louis-Senior, IL) | Marion Freeman Invitational(MO), 2015-05-02(#7) |
| B-300H | 189 | 41.66 | Carr-Jones, Jordyn (2017) (Addison Trail, IL) | WSC-Gold Boys Conference Meet(IL), 2015-05-15(#3) |
| B-300H | 189 | 41.66 | Floyd, Charles (Lyons Township, IL) | IL 3A Lyons Township Boys Sectional(IL), 2015-05-22(#4) |
| B-300H | 192 | 41.67 | Alappat, Haroun (2016) (Metea Valley, IL) | Upstate Eight Boys Conference Meet(IL), 2015-05-14(#7) |
| B-300H | 193 | 41.68 | Welch, Lee (2015) (Mt Olive, IL) | IL 1A Staunton Sectional(IL), 2015-05-21(#1) |
| B-300H | 193 | 41.68 | Cosgrove, Ben (2017) (Geneseo, IL) | Galesburg Boys ABC Invitational(IL), 2015-04-17(#2) |
| B-300H | 195 | 41.70 | Keys, Joe (2017) (Downers Grove North, IL) | IL 3A Downers Grove South Boys Sectional(IL), 2015-05-22(#6) |
| B-300H | 196 | 41.72 | Marler, Tyler (2016) (Harrisburg, IL) | Murphysboro Boys Invitational(IL), 2015-04-18(#1) |
| B-300H | 197 | 41.73 | Moore, Kris (2018) (Edwardsville, IL) | Collinsville Boys Invitational(IL), 2015-05-09(#5) |
| B-300H | 197 | 41.73 | Holmes, Lance (Red Hill, IL) | IL 1A Lawrenceville Boys Sectional(IL), 2015-05-21(#2) |
| B-300H | 199 | 41.74 | Pitchford, Malcolm (2015) (Montini Catholic, IL) | Mike Yavorski Hornet Invitational(IL), 2015-05-01(#2) |
| B-300H | 199 | 41.74 | Murati, Jasin (2015) (Maine East, IL) | CSL-North Boys Conference Meet(IL), 2015-05-15(#5) |
| B-300H | 199 | 41.74 | Harrison, Jared (2018) (Dixon, IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#8) |
| B-300H | 202 | 41.77 | Balanganayi, Mackenzie (2017) (Palatine, IL) | MSL-West Boys Divisional Championship(IL), 2015-04-28(#5) |
| B-300H | 203 | 41.78 | Brewer, Tanner (2015) (Arthur, IL) | News-Gazette Honor Roll Meet(IL), 2015-05-18(#2) |
| B-300H | 204 | 41.80 | Perhon, Sebastian (2015) (Plainfield Central, IL) | Hunt Invitational(IL), 2015-04-30(#6) |
| B-300H | 205 | 41.81 | Wingerter, Issac (Chester, IL) | Herrin Boys Invitational(IL), 2015-04-15(#3) |
| B-300H | 205 | 41.81 | Williamson, Raymon (2016) (O'Fallon, IL) | Southwest Boys Conference Meet(IL), 2015-05-13(#7) |
| B-300H | 205 | 41.81 | Leedom, Travis (2017) (United Township, IL) | Western Big Six Boys Conference Meet(IL), 2015-05-15(#3) |
| B-300H | 208 | 41.83 | Schmidt, Zach (2015) (Milledgeville, IL) | IL 1A Bureau Valley Boys Sectional(IL), 2015-05-22(#3) |
| B-300H | 209 | 41.85 | Ekberg, Jared (Rockford Christian, IL) | IL 2A Sterling Boys Sectional(IL), 2015-05-22(#9) |
| B-300H | 210 | 41.86 | Magel, Ryan (2017) (Cary-Grove Community, IL) | Breese Tri-County Initational(IL), 2015-04-27(#1) |
| B-300H | 211 | 41.88 | Naranjo, Matthew (2016) (Niles North, IL) | CSL-North Boys Conference Meet(IL), 2015-05-15(#6) |
| B-300H | 211 | 41.88 | Echols, Cj (Centennial, IL) | News-Gazette Honor Roll Meet(IL), 2015-05-18(#3) |
| B-300H | 213 | 41.89 | Nesbitt, Demarlo (2016) (Belleville West, IL) | Belleville West Boys Invitational(IL), 2015-04-11(#16) |
| B-300H | 213 | 41.89 | O'Brien, Michael (2015) (Dundee-Crown, IL) | IL 3A West Aurora Boys Sectional(IL), 2015-05-21(#6) |
| B-300H | 213 | 41.89 | Engelhardt, Cameron (Tri-Valley, IL) | IL 1A Paxton-Buckley-Loda Boys Sectional(IL), 2015-05-21(#2) |
| B-300H | 216 | 41.93 | Moses, Forest (2015) (Northridge Prep, IL) | Independent School League Championships(IL), 2015-05-09(#1) |
| B-300H | 217 | 41.94 | Povalaitis, Marcos (2015) (Romeoville, IL) | Gus Scott Co-Ed Invitational(IL), 2015-04-17(#3) |
| B-300H | 218 | 41.95 | Urban, Tyler (2015) (Wheeling, IL) | Mid-Suburban League Boys Championships(IL), 2015-05-15(#8) |
| B-300H | 219 | 41.96 | Wright, Clay (2015) (Lexington, IL) | IL 1A Paxton-Buckley-Loda Boys Sectional(IL), 2015-05-21(#3) |
| B-300H | 220 | 42.00 | Harris, Tracker (2017) (Dunlap, IL) | Dunlap Co-Ed Relays(IL), 2015-01-01(#2) |
| B-300H | 220 | 42.00 | Pennel, Dillion (2015) (Jacksonville, IL) | Central State Eight Boys Conference Meet(IL), 2015-05-15(#3) |
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