Jackson Neff

Jackson Neff

United StatesUnited StatesActive
Born
Jul 9, 1992 (34 years old)
Events
3000 m steeplechase · Marathon

Jackson Neff is a United States middle-distance runner, born on July 9, 1992. He competes primarily in the Mile, Mile and 3000m.

His personal bests include 4:08.80 in the Mile, 4:09.52 in the Mile, 8:16.18 in the 3000m, 8:17.17 in the 3000m and 14:22.83 in the 5000m. He is currently active on the international athletics circuit, representing United States.

Personal best · 3000 m steeplechase8:36.88
2025 season best2:20:44Dec 21, 2025 · Rawhide Events Center, Chandler, AZ
2025 season best
Personal best · Marathon2:15:28
Last competitionThe Marathon Project, Rawhide Events Center, Chandler, AZ - Elite EventDec 21, 2025 · 2:20:44
The Marathon Project, Rawhide Events Center, Chandler, AZ - Elite Event

As of Nov 7, 2026: 3000 m steeplechase 8:36.88, Marathon 2:15:28, 2025 season best 2:20:44 (Dec 21, 2025, Rawhide Events Center, Chandler, AZ (USA)) · Last competition: The Marathon Project, Rawhide Events Center, Chandler, AZ - Elite Event, Dec 21, 2025, 2:20:44 · 34 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
MileIndoorOH 20154:08.801,019 pts–
Mile2015United States Mile all-time list4:09.52961 pts–
3000mIndoorNY 20168:16.18984 pts–
3000m2015United States 3000 m all-time list8:17.17958 pts–
5000mIndoorIN 201614:22.83966 pts–
5000m2016United States 5000 m all-time list14:22.83925 pts–

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
2025Marathon 2:20:44–Dec 21, 2025The Marathon Project, Rawhide Events Center, Chandler, AZ - Elite Event
2024Marathon 2:21:47–Feb 3, 2024U.S. Olympic Team Trials - Marathon
202320Kilometr 1:03:51–Sep 4, 2023Faxon Law New Haven Road Race
2022Semi 1:07:07–May 7, 2022USA Half Marathon Championships, Indianapolis, IN
2022Marathon 2:15:28–Dec 4, 2022Sacramento, CA (USA)
20213000mSt 8:42.89–May 28, 2021Griswold Stadium, Portland, OR (USA)
202110Kilometr 30:56–Apr 11, 2021Des Moines, IA (USA)
2020Mile 4:11.69–Aug 29, 2020Columbia International University, Columbia, SC (USA)
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FAQ

Frequently asked questions

Jackson Neff's 3000 m steeplechase personal best is 8:36.88, set on May 29, 2015 in Jacksonville, FL (USA).

Jackson Neff competes in the 3000 m steeplechase and Marathon.

2025 season best: 2:20:44, set on Dec 21, 2025 in Rawhide Events Center, Chandler, AZ (USA). Last competition: The Marathon Project, Rawhide Events Center, Chandler, AZ - Elite Event on Dec 21, 2025, 2:20:44.