Mackenzie Pierce

Mackenzie Pierce

United StatesUnited States
Born
Jun 18, 1986 (40 years old)
Events
800 m · 1500 m

Mackenzie Pierce is a United States sprinter, born on June 18, 1986. He competes primarily in the 400m, 800m and 1500m.

His personal bests include 56.43 in the 400m, 2:04.78 in the 800m, 4:27.57 in the 1500m, 4:58.50 in the Mile and 4:57.72 in the Mile. He is currently active on the international athletics circuit, representing United States.

Personal best · 800 m2:04.78
2016 season best11:00.76Apr 12, 2016
2016 season best
Personal best · 1500 m4:27.57

As of Nov 13, 2026: 800 m 2:04.78, 1500 m 4:27.57, 2016 season best 11:00.76 (Apr 12, 2016) · 40 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
400mCA 2009United States 400 m all-time list56.43520 pts–
800mCA 2007United States 800 m all-time list2:04.78648 pts–
1500mCA 2008United States 1500 m all-time list4:27.57561 pts–
Mile2004United States Mile all-time list4:58.50476 pts–
MileIndoorID 20084:57.72508 pts–
3000mVT 2016United States 3000 m all-time list11:00.76262 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
20163000m 11:00.76–Apr 12, 2016–
20165000m 18:45.59–Apr 23, 2016–
2009400m 56.43–Mar 7, 2009–
2009400m-short-track 56.57–Jan 24, 2009–
2009800m 2:06.45–Feb 28, 2009–
2008800m 2:05.04–Apr 12, 2008–
2008800m-short-track 2:11.98–Feb 2, 2008–
20081500m 4:27.57–Mar 22, 2008–
FAQ

Frequently asked questions

Mackenzie Pierce's 800 m personal best is 2:04.78, set on Apr 29, 2007 in Palo Alto, CA (USA).

Mackenzie Pierce competes in the 800 m and 1500 m.

2016 season best: 11:00.76, set on Apr 12, 2016.