Sierra Brill

Sierra Brill

Events
Marathon · 10 000 m

Sierra Brill is a United States middle-distance runner. She competes primarily in the 800m, 1500m and Mile.

Her personal bests include 2:14.16 in the 800m, 4:28.08 in the 1500m, 5:01.95 in the Mile, 5:00.03 in the Mile and 9:50.37 in the 3000m. She is currently active on the international athletics circuit, representing United States.

Personal best · Marathon2:40:43
2025 season best2:40:43Dec 7, 2025 · Capitol Mall, Sacramento, CA
Personal best · 10 000 m34:42.24
Last competitionCalifornia International MarathonDec 7, 2025 · 2:40:43

As of Nov 13, 2026: Marathon 2:40:43, 10 000 m 34:42.24, 2025 season best 2:40:43 (Dec 7, 2025, Capitol Mall, Sacramento, CA (USA)) · Last competition: California International Marathon, Dec 7, 2025, 2:40:43

DisciplineResultAll-time
Mile2015United States Mile all-time list5:01.95901 pts–
MileIndoorID 20205:00.03940 pts–
3000mIndoorWA 20229:50.37963 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
202510000m 35:34.12–Apr 16, 2025Bryan Clay Invitational
2025Marathon 2:40:43–Dec 7, 2025California International Marathon
20245000m 17:18.27–May 10, 2024Franson Last Chance
202410000m 36:28.43–Jun 8, 2024Portland Track Festival - High Performance, Mt. Hood Community College, Gresham, OR
20235000m 17:25.74–Apr 29, 2023Fresno State Invitational, Veterans Memorial Stadium, Clovis, CA
2022800m 2:17.89–Mar 4, 2022Miller& Capriotti Athletics Complex, San Luis Obispo, CA (USA)
20221500m 4:34.67–Mar 11, 2022Pauley Track & Field Complex UC Santa Barbara, Goleta, CA (USA)
20223000m-short-track 9:50.37–Feb 4, 2022–
FAQ

Frequently asked questions

Sierra Brill's Marathon personal best is 2:40:43, set on Dec 7, 2025 in Capitol Mall, Sacramento, CA (USA).

Sierra Brill competes in the Marathon and 10 000 m.

2025 season best: 2:40:43, set on Dec 7, 2025 in Capitol Mall, Sacramento, CA (USA). Last competition: California International Marathon on Dec 7, 2025, 2:40:43.