Adi Nielson

Adi Nielson

United StatesUnited States
Events
400 Metres Short Track · 400 m hurdles

Adi Nielson is a United States sprinter. She competes primarily in the 200m, 200m and 400m.

Her personal bests include 25.98 in the 200m, 25.98 in the 200m, 55.37 in the 400m, 57.31 in the 400m and 2:18.87 in the 800m. She is currently active on the international athletics circuit, representing United States.

Personal best · 400 Metres Short Track58.08
2025 season best56.01Feb 7, 2025 · Holt Arena, Pocatello, ID (USA) (i)
2025 season best
Personal best · 400 m hurdles59.67
Last competitionMountain West Men's and Women's Outdoor Track and Field Championships, Veterans Memorial Stadium, Clovis, CAMay 17, 2025 · 1:00.96
Mountain West Men's and Women's Outdoor Track and Field Championships, Veterans Memorial Stadium, Clovis, CA

As of Nov 13, 2026: 400 Metres Short Track 58.08, 400 m hurdles 59.67, 2025 season best 56.01 (Feb 7, 2025, Holt Arena, Pocatello, ID (USA) (i)) · Last competition: Mountain West Men's and Women's Outdoor Track and Field Championships, Veterans Memorial Stadium, Clovis, CA, May 17, 2025, 1:00.96

Personal bests

WA points calculator →
DisciplineResultAll-time
200m2021United States 200 m all-time list25.98854 pts–
200mIndoorUT 202125.98908 pts–
400mIndoorNM 202455.371,034 pts–
400m2020United States 400 m all-time list57.31930 pts–
800mIndoorNM 20232:18.87896 pts–
400mHNV 2025United States 400 m hurdles all-time list59.671,031 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025400m Indoor56.01–Feb 7, 2025Stacy Dragila Open
2025400m-short-track Indoor56.01–Feb 7, 2025Stacy Dragila Open
2025400mH 59.67–Apr 5, 2025UNLV Rebels Elite, Myron Partridge Stadium & Sheila Tarr-Smith Field, Las Vegas, NV
20254x400m 3:38.66–May 10, 2025Franson Last Chance, Cougar Athletic Stadium, Azusa, CA
20254x400Metre Indoor3:40.16–Feb 28, 2025Mountain West Men's and Women's Indoor Track and Field Championships
2025DistanceMe Indoor11:49.89–Feb 27, 2025Mountain West Men's and Women's Indoor Track and Field Championships
2024400m Indoor55.37–Feb 23, 2024Mountain West Indoor Championships
2024400m-short-track Indoor55.37–Feb 23, 2024Mountain West Indoor Championships
FAQ

Frequently asked questions

Adi Nielson's 400 Metres Short Track personal best is 58.08, set on Feb 15, 2020.

Adi Nielson competes in the 400 Metres Short Track and 400 m hurdles.

2025 season best: 56.01, set on Feb 7, 2025 in Holt Arena, Pocatello, ID (USA) (i). Last competition: Mountain West Men's and Women's Outdoor Track and Field Championships, Veterans Memorial Stadium, Clovis, CA on May 17, 2025, 1:00.96.