Siobhan Flaherty

Siobhan Flaherty

Events
20 Kilometres Road · Marathon

Siobhan Flaherty is a United States long-distance runner. He competes primarily in the Marathon and 20Kilometr.

His personal bests include 3:06:31 in the Marathon and 1:20:35 in the 20Kilometr. He ranks 87th all-time in the 20Kilometr for United States. He is currently active on the international athletics circuit, representing United States.

Personal best · 20 Kilometres Road1:20:35
2021 season best1:20:35Sep 6, 2021 · New Haven, CT
Personal best · Marathon3:06:31
Last competitionUSA 20km Road Running ChampionshipsSep 6, 2021 · 1:20:35

As of Nov 13, 2026: 20 Kilometres Road 1:20:35, Marathon 3:06:31, 2021 season best 1:20:35 (Sep 6, 2021, New Haven, CT (USA)) · Last competition: USA 20km Road Running Championships, Sep 6, 2021, 1:20:35

DisciplineResultAll-time
20KilometrCT 20211:20:35–

Progression

SeasonDisciplineResultWindDateCompetitions
202120Kilometr 1:20:35–Sep 6, 2021USA 20km Road Running Championships
2018Marathon 3:06:31–Apr 16, 2018Boston Marathon, Boston, MA
FAQ

Frequently asked questions

Siobhan Flaherty's 20 Kilometres Road personal best is 1:20:35, set on Sep 6, 2021 in New Haven, CT (USA).

Siobhan Flaherty competes in the 20 Kilometres Road and Marathon.

2021 season best: 1:20:35, set on Sep 6, 2021 in New Haven, CT (USA). Last competition: USA 20km Road Running Championships on Sep 6, 2021, 1:20:35.