Lyle O'Brien

Lyle O'Brien

United StatesUnited States
Events
Marathon

Lyle O'Brien is a United States long-distance runner. He competes primarily in the 3000m, 3000m and 5000m.

His personal bests include 8:53.13 in the 3000m, 8:31.26 in the 3000m, 14:54.43 in the 5000m, 1:08:40 in the Semi and 2:13:58 in the Marathon. He is currently active on the international athletics circuit, representing United States.

Personal best · Marathon2:13:58
2025 season best2:16:03Apr 21, 2025 · Boston, MA
2025 season best
Last competitionCNO Financial Indianapolis Monumental Half MarathonNov 8, 2025 · 1:11:02
CNO Financial Indianapolis Monumental Half Marathon

As of Nov 13, 2026: Marathon 2:13:58, 2025 season best 2:16:03 (Apr 21, 2025, Boston, MA (USA)) · Last competition: CNO Financial Indianapolis Monumental Half Marathon, Nov 8, 2025, 1:11:02

Personal bests

WA points calculator →
DisciplineResultAll-time
3000m2012United States 3000 m all-time list8:53.13767 pts–
3000mIndoorMA 20138:31.26899 pts–
5000mMA 2016United States 5000 m all-time list14:54.43827 pts–
SemiTX 2025United States Half Marathon all-time list1:08:40863 pts–
MarathonMN 2024United States Marathon all-time list2:13:581,060 pts–
3000mStPA 2013United States 3000 m steeplechase all-time list9:10.34952 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025Semi 1:08:40–Jan 19, 2025Aramco Houston Half Marathon
2025Marathon 2:16:03–Apr 21, 2025Boston Marathon
2024Marathon 2:13:58–Jun 22, 2024Grandma's Marathon
2022Marathon 2:20:35–Jun 18, 2022Duluth, MN (USA)
2021Marathon 2:19:18–Nov 21, 2021Philadelphia, PA (USA)
2019Semi 1:08:03–Nov 9, 2019–
2019Marathon 2:19:20–Dec 8, 2019Sacramento, CA (USA)
2018Marathon 2:29:57–Apr 29, 2018Eugene, OR (USA)
FAQ

Frequently asked questions

Lyle O'Brien's Marathon personal best is 2:13:58, set on Jun 22, 2024 in Two Harbors to Duluth,, Duluth, MN (USA).

Lyle O'Brien competes in the Marathon.

2025 season best: 2:16:03, set on Apr 21, 2025 in Boston, MA (USA). Last competition: CNO Financial Indianapolis Monumental Half Marathon on Nov 8, 2025, 1:11:02.