Mason Sindelar

United StatesUnited StatesActive
Events
800 Metres Short Track · 1000 Metres Short Track

Mason Sindelar is a United States middle-distance runner. He competes primarily in the 800m, 1500m and Mile.

His personal bests include 1:48.56 in the 800m, 3:44.21 in the 1500m, 4:03.07 in the Mile, 4:13.83 in the Mile and 9:51.36 in the 3000mSt. He is currently active on the international athletics circuit, representing United States.

Personal best · 800 Metres Short Track1:56.04
2026 season best1:48.62Feb 13, 2026 · Randal Tyson Indoor Center, Fayetteville, AR (USA) (i)
2026 season best
Personal best · 1000 Metres Short Track2:21.01
Last competitionThe Summit League Track and Field ChampionshipsMay 16, 2026 · 1:51.87
The Summit League Track and Field Championships

As of Nov 14, 2026: 800 Metres Short Track 1:56.04, 1000 Metres Short Track 2:21.01, 2026 season best 1:48.62 (Feb 13, 2026, Randal Tyson Indoor Center, Fayetteville, AR (USA) (i)) · Last competition: The Summit League Track and Field Championships, May 16, 2026, 1:51.87

Personal bests

WA points calculator →
DisciplineResultAll-time2026
800mSD 2025United States 800 m all-time list1:48.561,068 pts–#812
1500mSD 2025United States 1500 m all-time list3:44.211,051 pts––
MileIndoorKS 20254:03.071,091 pts–#696
MileSD 2026United States Mile all-time list4:13.83912 pts–#703
3000mStSD 2022United States 3000 m steeplechase all-time list9:51.36793 pts––
4x400mSD 2025United States 4 × 400 m all-time list3:23.86––

Progression

SeasonDisciplineResultWindDateCompetitions
2026800m-short-track Indoor1:48.62–Feb 13, 2026Tyson Invitational
2026800m 1:48.97–Apr 17, 2026Bryan Clay Invitational
2026800m Indoor1:51.80–Feb 28, 2026Summit League Indoor Track and Field Championships
20261500m 3:51.36–May 1, 2026South Dakota Challenge
2026mile-short-track 4:07.43–Jan 31, 2026Dr. Rick McGuire Invitational
2026Mile Indoor4:08.02–Feb 28, 2026Summit League Indoor Track and Field Championships
2026mile-short-track Indoor4:11.36–Feb 14, 2026Tyson Invitational
2026Mile 4:13.83–Jan 24, 2026Jim Emmerich Alumni Invitational
FAQ

Frequently asked questions

Mason Sindelar's 800 Metres Short Track personal best is 1:56.04, set on Feb 10, 2022.

Mason Sindelar competes in the 800 Metres Short Track and 1000 Metres Short Track.

2026 season best: 1:48.62, set on Feb 13, 2026 in Randal Tyson Indoor Center, Fayetteville, AR (USA) (i). Last competition: The Summit League Track and Field Championships on May 16, 2026, 1:51.87.