Mary Delaney

Born
Apr 19, 2005 (21 years old)
Events
1000 Metres Short Track · 800 m

Mary Delaney is a United States middle-distance runner, born on April 19, 2005. She competes primarily in the 800m, 1500m and Mile.

Her personal bests include 2:10.31 in the 800m, 4:28.90 in the 1500m, 4:55.59 in the Mile, 2:11.22 in the 800m-short-track and 2:49.99 in the 1000m. She is currently active on the international athletics circuit, representing United States.

Personal best · 1000 Metres Short Track2:52.73
2026 season best2:52.73Jan 31, 2026 · Ashenfelter Indoor Track, State College, PA
Personal best · 800 m2:10.31
Last competitionBig 12 Outdoor Track & Field Championship, Univ. of Arizona Roy P. Drachman Stadium, Tucson, AZMay 15, 2026 · 2:12.43

As of Nov 14, 2026: 1000 Metres Short Track 2:52.73, 800 m 2:10.31, 2026 season best 2:52.73 (Jan 31, 2026, Ashenfelter Indoor Track, State College, PA (USA)) · Last competition: Big 12 Outdoor Track & Field Championship, Univ. of Arizona Roy P. Drachman Stadium, Tucson, AZ, May 15, 2026, 2:12.43 · 21 years old

DisciplineResultAll-time2026
800mOR 2024United States 800 m all-time list2:10.31986 pts––
1500mPA 2026United States 1500 m all-time list4:28.90985 pts––
MileIndoorPA 20254:55.59970 pts––
800m-short-trackIndoorPA 20262:11.221,008 pts–#940
1000mIndoorMA 20262:49.991,008 pts–#172
1000m-short-trackIndoorMA 20262:49.991,008 pts–#196

Progression

SeasonDisciplineResultWindDateCompetitions
2026500Metres Indoor1:18.28–Feb 14, 2026Crimson Open
2026500m-short-track Indoor1:18.28–Feb 14, 2026Crimson Open
2026800m-short-track Indoor2:11.22–Feb 20, 2026Penn State Tune Up, Ashenfelter Indoor Track, State College, PA (i)
2026800m 2:11.74–Mar 28, 2026Raleigh Relays
2026800m Indoor2:11.74–Mar 28, 2026Raleigh Relays
20261000m Indoor2:49.99–Feb 14, 2026Boston University David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i)
20261000m-short-track Indoor2:49.99–Feb 14, 2026Boston University David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i)
20261000m-short-track 2:52.73–Jan 31, 2026Penn State National Open
FAQ

Frequently asked questions

Mary Delaney's 1000 Metres Short Track personal best is 2:52.73, set on Jan 31, 2026 in Ashenfelter Indoor Track, State College, PA (USA).

Mary Delaney competes in the 1000 Metres Short Track and 800 m.

2026 season best: 2:52.73, set on Jan 31, 2026 in Ashenfelter Indoor Track, State College, PA (USA). Last competition: Big 12 Outdoor Track & Field Championship, Univ. of Arizona Roy P. Drachman Stadium, Tucson, AZ on May 15, 2026, 2:12.43.