Personal
- Parents are Tyson and Natalie Teeples
- Major: Undeclared
- Enjoys off-roading
- Instagram: isaac_teeples
Before BYU
- Honored as one of 24 cross country athletes nominated for the 2021-2022 USA TODAY Boys Cross Country Runner of the Year
- Capped off high school career by being named First Team High School All-American at the 2021 Runninglane Cross Country Championships
- Two-time individual (2019, 2021) and three-time team state champion with Kamiakin High (2018, 2019, 2021)
- Holds the Washington state and school 5k record with a 14:55.8 time
- School record holder in the 5k, 3 mile, 3200m, 1600m and 800m
- Recorded two NXR Northwest top-five finishes (second-place in 2021, fifth-place in 2019), with back-to-back team wins in 2018 and 2019
- Also recruited by Colorado, Gonzaga, Washington, and Washington State