Season-final Elo for all four rated units. These are the opponent-strength values every player performance against Grinnell is judged with.
| Season | Rush Offense | Pass Offense | Rush Defense | Pass Defense |
|---|---|---|---|---|
| 2025 | 898 | 898 | 931 | 1057 |
| 2024 | 850 | 942 | 894 | 1040 |
| 2023 | 826 | 958 | 886 | 1032 |
| 2022 | 845 | 956 | 878 | 1074 |
| 2021 | 844 | 997 | 889 | 1052 |
| 2019 | 828 | 1002 | 908 | 1102 |
| 2018 | 842 | 1011 | 912 | 1099 |
| 2017 | 842 | 1018 | 886 | 1079 |
| 2016 | 854 | 1040 | 888 | 1050 |
| 2015 | 824 | 1057 | 957 | 1076 |
| 2014 | 852 | 1078 | 1054 | 1076 |
| 2013 | 874 | 1086 | 1036 | 1084 |
| 2012 | 925 | 1092 | 1076 | 1076 |
| 2011 | 998 | 1116 | 1084 | 1064 |