Invitational Nature Interpretation CDE Results
Total number of participating teams and individuals, if available, are represented in parenthesis.
Individuals are ordered by rank, if shown, then alphabetically.
| Year | Invitational | Team Rank | Individuals | Individual Rank |
| 2019 | Ashland | n/a | Abby Chadwick Sarah Chadwick Garrett Schilling | 4th (35) 11th (35) |
| 2016 | Ashland | 4th (19) | David Leavitt Abby Chadwick Sarah Chadwick Matt Millington DJ Watkins | 12th (71) |
| 2015 | Ashland | n/a | David Leavitt | 9th (75) |
| 2009 | Ashland | n/a | James Anderson | |
| 2009 | Marysville | n/a | James Anderson | 15th (69) |
| 2009 | Mount Gilead | n/a | James Anderson | 11th (51) |
| 2004 | Marysville | n/a | Mike Gray | |
| 2003 | Mount Gilead | 18th (34) | Mike Gray Jack Rice Tyler Springer | |
| 2002 | Canal Winchester | n/a | Craig Springer John Hartings | 2nd |
| 2002 | Ashland | 10th (22) | John Hartings Noah Kemp Craig Springer | |
| 2002 | Marysville | 3rd (30) | Adam Middlesworth Mike Gray B.J. Griffith John Hartings Craig Springer Tyler Springer | 8th (90) |
| 2002 | Mount Gilead | 1st (33) | Mike Gray John Hartings Adam Middlesworth Jack Rice Craig Springer | |
| 2001 | Ashland | 5th (33) | John Hartings Adam Middlesworth Craig Springer Tyler Springer | 11th (90) |
| 2001 | Marysville | 5th (39) | John Hartings B.J. Griffith Adam Middlesworth Tyler Springer Eric Tanner | 7th (99) |
| 2001 | Mount Gilead | 7th | B.J. Griffith John Hartings Adam Middlesworth | |
| 2000 | Canal Winchester | 7th (28) | Ashley Beery B.J. Griffith John Hartings Adam Middlesworth Craig Springer | |
| 2000 | Ashland | 10th (28) | John Hartings Adam Middlesworth Craig Springer | |
| 2000 | Marysville | 6th (41) | Ashley Beery B.J. Griffith John Hartings Adam Middlesworth Craig Springer Eric Tanner Cody Thomas |