Boys Records
| Event | Mark | Athlete | Year |
|---|---|---|---|
| B100M | 10.66 | Wes Schwend - Bridger | 1987 |
| B200M | 22.14 | Vance Bach - Fort Benton | 1991 |
| B400M | 50.10 | Nick Goffena - Roundup | 1999 |
| B800M | 1:58.00 | Bryce Shows - Ennis | 2008 |
| B1600M | 4:32.01 | David Thompson - Big Timber | 1982 |
| B3200M | 9:51.98 | Craig Wilhalm - Belt | 1999 |
| B110MH | 14.19 | Lucas Fowler - Harlowton | 1998 |
| B300MH | 38.00 | Kurt Sager - Shields Valley | 1998 |
| B4x100 | 44.06 | Fort Benton | 2006 |
| B4x400 | 3:28.22 | Huntley Project | 2006 |
| BLJ | 22'9" | Tyler Bucklin - Outlook | 1995 |
| BTJ | 45'5.5" | Jeremy Clotfelter -Forsyth | 1987 |
| BHJ | 6'7" | Jared Grant - Lovell Wyoming | 2003 |
| BPV | 14'9" | Kirk Capedeville -Hinsdale/Saco | 2010 |
| BSP | 55'7" | Trevor Gilreath - Huntley Project | 2009 |
| BDISC | 175'2" | Josh Hennigman - Bridger | 2002 |
| BJAV | 191'11" | Terry Godfrey -Big Timber | 1982 |
Girls Records
| Event | Mark | Athlete | Year | |
|---|---|---|---|---|
| G100M | 12.27 | Jennifer Walter - Huntley Project | 2004 | |
| G200M | 25.49 | Jenny Charlson - Fort Benton | 1998 | |
| G400M | 58.42 | Cathy Schwend -Bridger | 1990 | |
| G800M | 2:20.90 | Dana Goodman - Fromberg | 1986 | |
| G1600M | 5:12.97 | Emily Higgins - Rocky Mountain, WY | 2005 | |
| G3200M | 11:35.47 | Marni Ryti -Terry | 1984 | |
| G100MH | 14.99 | Paula Berry -Big Timber | 1992 | |
| G300MH | 44.92 | Cathy Schwend -Bridger | 1990 | |
| G4x100 | 50.06 | Wright Wyoming | 1999 | |
| G4x400 | 4:15.25 | Manhattan Christian | 2004 | |
| GLJ | 18'7.5" | Mary Cote - Gardiner | 2008 | |
| GTJ | 36'11.25" | Kelsey Kirkpatrick - Ryegate | 2003 | |
| GHJ | 5'8" | Brenda Wilkin -Broadview | 1990 | |
| GPV | 11'6" | Laura Daniel - Absorokee | 1997 | |
| GSP | 43'9.25" | Kylee Zent - Bridger | 2004 | |
| GDISC | 135'3" | Kylee Zent - Bridger | 2003 | |
| GJAV | 151'0" | Hailey Poole - Huntley Project | 2017 |