Personal records (thru 2019):
- 400 hurdles: 52.92
- 400: 49.37
- 200: 22.86
As a junior (2019):
Outdoors
- Did not compete.
Indoors
- Did not compete.
As a sophomore (2018):
Outdoors
- Ran 400 hurdles lifetime best of 52.92 to place third at the Big Meet.
- Placed 12th at Pac-12 Championships, running 54.15 in the prelims.
- Pac-12 All-Academic honorable mention.
Indoors
- Made collegiate debut at the UW Invitational, running the 400 and 4x400 relay.
As a freshman (2017):
Outdoors
- Ran in one meet unattached, in the 200 at the Stanford Invitational.
Indoors
- Did not compete.
High School:
- Placed second in the 300 hurdles at the 2016 Washington 4A championships, running a personal best 38.53.
- Fourth in the 110 hurdles at the 2016 state 4A meet.
- Anchored Wenatchee to the state 4A 4x400 title in 2015.
- Earned three top-5 state 4A places each in the 110 and 300 hurdles from 2014-16.
- Standout wide receiver at Wenatchee High School.
Personal:
- Brother Isaiah Brandt-Sims is a sprinter on the Stanford track team, and was part of the Cardinal 4x400 relay that won the 2016 Pac-12 title.
- Son of Anthony Sims and Tracy Brandt.
- Mother was selected as court commissioner for Chelan County, Wash.
- Given name is Christian Brandt-Sims.
Career results:
| Year | Season (Meets) | Event | Season Best | Conf. | Region | NCAA |
| 2019 | Outdoors (0) | -- | -- | -- | -- | -- |
| Indoors (0) | -- | -- | -- | -- | -- | |
| 2018 | Outdoors (6) | 400 H | 52.92 | 12 (54.15) | -- | -- |
| 400 | 49.37 | -- | -- | -- | ||
| Indoors (1) | 400 | 49.88 | -- | -- | -- | |
| 4x400 | 3:18.40 | -- | -- | -- | ||
| 2017 | Outdoors (0) | -- | -- | -- | -- | -- |
| Indoors (0) | -- | -- | -- | -- | -- |