| Event | Rank | Mark | By | Meet |
| B-5k_XC | 1 | 15:32.90 | Beattie, Luke (2016) (Woodstock, IL) | McHenry County XC Meet(IL), 2014-08-30(#3) |
| B-5k_XC | 2 | 15:43.00 | Whitney, Kyle (2014) (Vernon Hills, IL) | NXN Southeast(NC), 2014-11-29(#30) |
| B-5k_XC | 3 | 15:43.95 | Wondaal, Nick (2016) (Illiana Christian, IL) | Illiana Christian Invitational(IL), 2014-09-20(#1) |
| B-5k_XC | 4 | 15:52.00 | Williamson, Shane (2017) (Vernon Hills, IL) | IL 2A Woodstock Regional(IL), 2014-10-25(#3) |
| B-5k_XC | 5 | 15:53.64 | Saavedra, Walmer (2016) (Lindblom College Preparatory, IL) | Ziomek Invitational(IL), 2014-09-27(#1) |
| B-5k_XC | 6 | 15:54.30 | Fiene, Nick (2015) (Illiana Christian, IL) | IL 2A Illiana Christian Regional(IL), 2014-10-25(#1) |
| B-5k_XC | 7 | 15:59.85 | Wilson, Joe (2015) (Mt. Carmel, IL) | Greensboro XC Invitational(NC), 2014-09-27(#6) |
| | | National Elites above. State Elites below | | |
| B-5k_XC | 8 | 16:04.90 | Carius, Brady (2015) (Morton, IL) | Silver Streak Invitational(IL), 2014-09-06(#1) |
| B-5k_XC | 9 | 16:07.29 | DeYoung, Colin (2016) (Illiana Christian, IL) | Illiana Christian Invitational(IL), 2014-09-20(#3) |
| B-5k_XC | 10 | 16:09.31 | Meyer, Jacob (2016) (University of Chicago Lab School, IL) | Ziomek Invitational(IL), 2014-09-27(#3) |
| B-5k_XC | 11 | 16:10.90 | Church, Matt (2015) (East Peoria, IL) | Silver Streak Invitational(IL), 2014-09-06(#2) |
| B-5k_XC | 12 | 16:11.41 | Ubbesia, D (Rich East , IL) | Illiana Christian Invitational(IL), 2014-09-20(#4) |
| B-5k_XC | 13 | 16:11.70 | Norvell, Matt (2015) (Monticello, IL) | NXN Midwest Regional(IN), 2014-11-16(#128) |
| B-5k_XC | 14 | 16:12.80 | Wolf, William (2015) (Mahomet-Seymour, IL) | NXN Midwest Regional(IN), 2014-11-16(#131) |
| B-5k_XC | 15 | 16:13.00 | Curtin, Lawrence (2017) (Taylorville, IL) | Decatur MacArthur Invitational(IL), 2014-09-18(#1) |
| B-5k_XC | 16 | 16:13.80 | Smith, Tyler (2015) (Vernon Hills, IL) | IL 2A Woodstock Regional(IL), 2014-10-25(#6) |
| B-5k_XC | 17 | 16:14.71 | McGuire, Tom (2015) (Illiana Christian, IL) | IL 2A Illiana Christian Regional(IL), 2014-10-25(#5) |
| B-5k_XC | 18 | 16:15.34 | Prezslicke, Matt (Evergreen Park, IL) | Illiana Christian Invitational(IL), 2014-09-20(#5) |
| B-5k_XC | 19 | 16:16.84 | Tyler, Noah (2016) (Limestone Community, IL) | Hare & Hounds XC Invitational(NC), 2014-09-20(#9) |
| B-5k_XC | 20 | 16:19.00 | Stelmasek, Matt (2016) (Johnsburg, IL) | McHenry County XC Meet(IL), 2014-08-30(#13) |
| B-5k_XC | 20 | 16:19.00 | Millburg, Adam (2015) (Sycamore, IL) | IL 2A Woodstock Regional(IL), 2014-10-25(#8) |
| B-5k_XC | 22 | 16:20.20 | Gillum, Jake (2017) (Metamora, IL) | Silver Streak Invitational(IL), 2014-09-06(#3) |
| B-5k_XC | 23 | 16:20.40 | Musial, Clay (2015) (Burlington Central, IL) | IL 2A Woodstock Regional(IL), 2014-10-25(#9) |
| B-5k_XC | 24 | 16:20.50 | Hyde, Jack (2017) (Mahomet-Seymour, IL) | NXN Midwest Regional(IN), 2014-11-16(#156) |
| B-5k_XC | 25 | 16:26.00 | VanMeter, Lincoln (2015) (MacArthur, IL) | Decatur MacArthur Invitational(IL), 2014-09-18(#2) |
| B-5k_XC | 26 | 16:26.70 | Miller, Noah (2015) (Johnsburg, IL) | McHenry County XC Meet(IL), 2014-08-30(#17) |
| B-5k_XC | 27 | 16:29.40 | Lach, Brandon (2015) (Wheaton Academy, IL) | IL 2A Rosary Regional(IL), 2014-10-25(#2) |
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