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 | 1028 | 1162 | 1140 | 1098 |
| 2024 | 1032 | 1122 | 1200 | 1091 |
| 2023 | 986 | 1147 | 1208 | 1086 |
| 2022 | 1000 | 1173 | 1232 | 1114 |
| 2021 | 1040 | 1172 | 1230 | 1104 |
| 2020 | 1034 | 1174 | 1299 | 1156 |
| 2019 | 1040 | 1192 | 1289 | 1144 |
| 2018 | 1046 | 1188 | 1286 | 1190 |
| 2017 | 1085 | 1110 | 1290 | 1205 |
| 2016 | 1106 | 1123 | 1234 | 1182 |
| 2015 | 1090 | 1156 | 1206 | 1196 |
| 2014 | 1066 | 1143 | 1188 | 1163 |
| 2013 | 1067 | 1128 | 1206 | 1170 |
| 2012 | 1040 | 1129 | 1186 | 1144 |
| 2011 | 1023 | 1114 | 1204 | 1156 |
| 2009 | 1069 | 1064 | 1184 | 1135 |
| 2008 | 942 | 1036 | 1158 | 1108 |
| 2007 | 955 | 989 | 1136 | 1126 |
| 2006 | 962 | 992 | 1088 | 1078 |
| 2005 | 1015 | 1017 | 1062 | 1092 |
| 2004 | 1044 | 1060 | 1063 | 1078 |
| 2003 | 1025 | 1096 | 1060 | 1108 |
| 2002 | 1080 | 1066 | 1070 | 1089 |