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Jacob Shiohira

USAUSAMen
Birth dateSep 6, 1996
Height-
Weight-

Jacob Shiohira is a United States long-distance runner, born on September 6, 1996. He competes primarily in the 5000m, Semi and Marathon.

His personal bests include 14:54.34 in the 5000m, 1:03:19 in the Semi, 2:16:43 in the Marathon and 1:00:45 in the 20Kilometr. He is currently active on the international athletics circuit, representing United States.

Key facts
Half Marathon
1:03:19
20 Kilometres Road
1:00:45
2025 season best
1:04:30
Nov 9, 2025 · Boston, MA (USA)
2025 season best
Last competition
California International Marathon
Dec 7, 2025 · 2:17:56
California International Marathon
Age
30 years old

As of Sep 22, 2026: Half Marathon 1:03:19, 20 Kilometres Road 1:00:45, 2025 season best 1:04:30 (Nov 9, 2025, Boston, MA (USA)) · Last competition: California International Marathon, Dec 7, 2025, 2:17:56 · 30 years old

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2025
Semi
1:04:30-Nov 9, 2025
↓
B.A.A. Half Marathon, Boston, MA
2025
Marathon
2:17:56-Dec 7, 2025
↑
California International Marathon
2024
5000m
15:05.05-Mar 22, 2024
↑
Mangrum Invitational, Mangrum Track & Field, San Marcos, CA
2024
20Kilometr
1:00:45-Sep 2, 2024-Faxon Law New Haven Road Race
2024
Semi
1:03:19-Nov 17, 2024
↓
Ageo City Half Marathon, Ageo
2024
Marathon
2:19:26-Feb 3, 2024
↑
U.S. Olympic Team Trials - Marathon
2023
5000m
14:54.34-Apr 14, 2023
↑
Bryan Clay Invitational
2023
Marathon
2:16:43-Dec 3, 2023
↑
California International Marathon
2022
5000m
15:40.41-Apr 30, 2022
↑
PLNU Carroll B. Land Stadium, San Diego, CA (USA)
2022
Marathon
2:23:35-Nov 6, 2022
↑
TCS New York City Marathon, New York, NY
2021
Marathon
2:30:45-Nov 7, 2021
↑
TCS New York Marathon

2025

3 performances
DisciplineResultWindDateCompetitions
Marathon
2:17:56-Dec 7California International Marathon
Semi
1:04:30-Nov 9B.A.A. Half Marathon, Boston, MA
Marathon
2:16:55-Mar 2Tokyo Marathon

2024

6 performances
DisciplineResultWindDateCompetitions
Semi
1:03:19-Nov 17Ageo City Half Marathon, Ageo
Semi
1:03:42-Sep 15Copenhagen Half Marathon
20Kilometr
1:00:45-Sep 2Faxon Law New Haven Road Race
Marathon
2:17:08-Apr 15Boston Marathon
5000m
15:05.05-Mar 22Mangrum Invitational, Mangrum Track & Field, San Marcos, CA
Marathon
2:19:26-Feb 3U.S. Olympic Team Trials - Marathon

2023

2 performances
DisciplineResultWindDateCompetitions
Marathon
2:16:43-Dec 3California International Marathon
5000m
14:54.34-Apr 14Bryan Clay Invitational

2022

2 performances
DisciplineResultWindDateCompetitions
Marathon
2:23:35-Nov 6TCS New York City Marathon, New York, NY
5000m
15:40.41-Apr 30PacWest Conference Championships, PLNU Carroll B. Land Stadium, San Diego, CA

2021

1 performance
DisciplineResultWindDateCompetitions
Marathon
2:30:45-Nov 7TCS New York Marathon

Honours

No medals

FAQ

Frequently asked questions

What is Jacob Shiohira's Half Marathon personal best?

Jacob Shiohira's Half Marathon personal best is 1:03:19, set on Nov 17, 2024 in Ageo (JPN).

Which events does Jacob Shiohira compete in?

Jacob Shiohira competes in the Half Marathon and 20 Kilometres Road.

How did Jacob Shiohira perform in 2025?

2025 season best: 1:04:30, set on Nov 9, 2025 in Boston, MA (USA). Last competition: California International Marathon on Dec 7, 2025, 2:17:56.