Updated as of: 2023
The 4A classification was added to Washington state in the fall of 1997 at which point our league, KingCo, split into 4A & 3A divisions. Prior to that, all schools in KingCo were in the same 3A classification. Issaquah High School became part of the 4A classification in the Fall of 2008.
The table below shows who is the most-recent KingCo Champion throughout history. Bolded athletes are champs from the most current season.
| Event | Boys | Year | Girls | Year |
| 100m | Ray Littles | 2015 | Nikki Stephens | 2015 |
| 200m | Matt Hennessy | 2000 | Elise Burdette | 2018 |
| 400m | Dave Anderson | 1967 | Elise Burdette | 2018 |
| 800m | Sam Griffith | 2019 | Julia David-Smith | 2019 |
| 1600m | Luke George | 2018 | Julia David-Smith | 2019 |
| 3200m | Jon Harding | 2004 | Julia David-Smith | 2019 |
| 110/100m Hurdles | Preston Borth | 2007 | Shanthi Hall | 2023 |
| 300 m Hurdles | Toren Garcia | 2023 | Elaine Tran | 2008 |
| 4 x 100m Relay | A. Stallworth J. Wolfork P. Seiler D. Hassell | 2001 | P.Sidhu C. Lertkantitham A. Sugarman A. Abekah | 2016 |
| 4x200m Relay | N/A | S. Abekah M. Crandall E. Burdette N. Stephens | 2017 | |
| 4x400m Relay | G. White S. Young L. George J. Nelson | 2017 | M. Crandall J. David-Smith S. Corman E. Burdette | 2018 |
| Shot Put | Joey Jensen | 2018 | Emee Matthew | 2008 |
| Discus | Joey Jensen | 2018 | Laura Lavine | 1984 |
| Javelin | Simon Treppenhauer | 2019 | Claire Ellison | 2000 |
| High Jump | Carson Naehr | 2023 | Courtney Smith (2) | 2023 |
| Long Jump | Joe Nelson | 2017 | Siarfo Abekah | 2017 |
| Triple Jump | Joe Nelson | 2017 | Sally Shaefer | 1997 |
| Pole Vault | None | Eva Perry | 2012 |
Issaquah High School XC and Track & Field 