Marissa Hehir

United StatesUnited StatesActive
Events
5000 m

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

Her personal bests include 2:21.66 in the 800m, 4:42.14 in the 1500m, 5:01.28 in the Mile, 17:42.46 in the 5000m and 11:12.69 in the 3000mSt. She is currently active on the international athletics circuit, representing United States.

Personal best · 5000 m17:42.46
2026 season best17:42.46Apr 17, 2026 · Cougar Athletic Stadium, Azusa, CA
2026 season best
Last competitionThe Big West Track and Field ChampionshipsMay 15, 2026 · 11:23.69
The Big West Track and Field Championships

As of Nov 14, 2026: 5000 m 17:42.46, 2026 season best 17:42.46 (Apr 17, 2026, Cougar Athletic Stadium, Azusa, CA (USA)) · Last competition: The Big West Track and Field Championships, May 15, 2026, 11:23.69

Personal bests

WA points calculator →
DisciplineResultAll-time
800mCA 2025United States 800 m all-time list2:21.66807 pts–
1500mCA 2024United States 1500 m all-time list4:42.14891 pts–
MileCA 2025United States Mile all-time list5:01.28905 pts–
5000mCA 2026United States 5000 m all-time list17:42.46870 pts–
3000mStCA 2026United States 3000 m steeplechase all-time list11:12.69928 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026800m 2:34.17–Mar 6, 2026–
20261500m 4:44.75–Apr 18, 2026Bryan Clay Invitational
20263000mSt 11:12.69–May 1, 2026Steve Scott Invite
20265000m 17:42.46–Apr 17, 2026Bryan Clay Invitational
2025800m 2:21.66–May 3, 2025Steve Scott Invitational, Anteater Stadium, Irvine, CA
20251500m 4:50.20–May 16, 2025The Big West Track and Field Championships, Jack Rose Track, Long Beach, CA
2025Mile 5:01.28–May 2, 2025Steve Scott Invitational, Anteater Stadium, Irvine, CA
20255000m 18:02.85–Apr 17, 2025Bryan Clay Invitational
FAQ

Frequently asked questions

Marissa Hehir's 5000 m personal best is 17:42.46, set on Apr 17, 2026 in Cougar Athletic Stadium, Azusa, CA (USA).

Marissa Hehir competes in the 5000 m.

2026 season best: 17:42.46, set on Apr 17, 2026 in Cougar Athletic Stadium, Azusa, CA (USA). Last competition: The Big West Track and Field Championships on May 15, 2026, 11:23.69.