Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Illinois Wesleyan is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2025 | 1032 | 1166 | 1141 | 1104 |
| 2024 | 1036 | 1126 | 1202 | 1096 |
| 2023 | 988 | 1150 | 1208 | 1091 |
| 2022 | 1002 | 1175 | 1231 | 1116 |
| 2021 | 1042 | 1172 | 1228 | 1104 |
| 2020 | 1035 | 1170 | 1296 | 1156 |
| 2019 | 1039 | 1187 | 1284 | 1144 |
| 2018 | 1054 | 1198 | 1294 | 1199 |
| 2017 | 1094 | 1122 | 1300 | 1214 |
| 2016 | 1114 | 1132 | 1244 | 1190 |
| 2015 | 1098 | 1166 | 1216 | 1206 |
| 2014 | 1074 | 1154 | 1198 | 1173 |
| 2013 | 1075 | 1136 | 1218 | 1180 |
| 2012 | 1051 | 1138 | 1198 | 1155 |
| 2011 | 1038 | 1128 | 1220 | 1172 |
| 2009 | 1082 | 1078 | 1198 | 1150 |
| 2008 | 952 | 1044 | 1172 | 1122 |
| 2007 | 966 | 1000 | 1151 | 1140 |
| 2006 | 972 | 1000 | 1098 | 1088 |
| 2005 | 1022 | 1023 | 1071 | 1100 |
| 2004 | 1048 | 1062 | 1074 | 1084 |
| 2003 | 1024 | 1094 | 1066 | 1108 |
| 2002 | 1084 | 1069 | 1074 | 1094 |