MJ
Mason Joiner
USAMenBirth date-
Height-
Weight-
Mason Joiner is a United States long-distance runner. He competes primarily in the 3000m, 5000m and 10000m.
His personal bests include 8:43.41 in the 3000m, 15:14.59 in the 5000m, 31:24.64 in the 10000m, 1:09:00 in the Semi and 8:43.41 in the 3000m-short-track. He is currently active on the international athletics circuit, representing United States.
Key facts
3000 Metres Short Track
8:43.41
5000 Metres Short Track
15:14.59
As of Sep 15, 2026: 3000 Metres Short Track 8:43.41, 5000 Metres Short Track 15:14.59, 2026 season best 31:24.64 (May 23, 2026, George Mason Stadium, Fairfax, VA (USA)) · Last competition: Down the Stretch Track Fest, May 23, 2026, 31:24.64
PB
Personal bests
8:43.41
15:14.59
31:24.64
1:09:00
8:43.41
51:20
15:14.59