Sierra CORNETT
- Events
- Mile · 800 m
Sierra CORNETT is a United States middle-distance runner. She competes primarily in the 800m, Mile and 4x800Metre.
Her personal bests include 2:14.73 in the 800m, 4:53.34 in the Mile and 8:59.12 in the 4x800Metre. She is currently active on the international athletics circuit, representing United States.
Personal best · Mile4:53.34
2026 season best2:23.33Apr 4, 2026 · Potts Field, Boulder, CO
Personal best · 800 m2:14.73
Last competitionJerry Quiller ClassicApr 4, 2026 · 2:23.33
As of Nov 14, 2026: Mile 4:53.34, 800 m 2:14.73, 2026 season best 2:23.33 (Apr 4, 2026, Potts Field, Boulder, CO (USA)) · Last competition: Jerry Quiller Classic, Apr 4, 2026, 2:23.33
Personal bests
WA points calculator →DisciplineResultAll-time
4x800MetreCA 20238:59.12–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 800m | 2:23.33 | – | Apr 4, 2026 | Jerry Quiller Classic |
| 2024 | Mile | 4:54.67 | – | Jun 15, 2024 | New Balance Nationals Outdoors, Franklin Field, Philadelphia, PA - Championship events |
| 2023 | 800m | 2:15.91 | – | Apr 15, 2023 | Mt. SAC Relays, Hilmer Lodge Stadium, Walnut, CA - Elite Event |
| 2023 | 4x800Metre | 8:59.12 | – | Apr 14, 2023 | Mt. SAC Relays, Hilmer Lodge Stadium, Walnut, CA - Elite Event |
| 2022 | 800m | 2:14.73 | – | Apr 9, 2022 | Arcadia HS Track, Arcadia, CA (USA) |
| 2022 | Mile | 4:53.34 | – | Apr 22, 2022 | Hayward Field, Eugene, OR (USA) |