Mara Siewko
- Events
- 400 Metres Short Track
Mara Siewko is a United States sprinter. She competes primarily in the 200m, 400m and 800m.
Her personal bests include 26.63 in the 200m, 60.39 in the 400m, 2:32.07 in the 800m, 2:37.38 in the 800m and 14.92 in the 100mH. She is currently active on the international athletics circuit, representing United States.
Personal best · 400 Metres Short Track60.39
2026 season best60.39Feb 6, 2026 · The Track at New Balance, Boston, MA (USA) (i)
Last competitionUSA U20 ChampionshipsJun 19, 2026 · 4561
As of Nov 14, 2026: 400 Metres Short Track 60.39, 2026 season best 60.39 (Feb 6, 2026, The Track at New Balance, Boston, MA (USA) (i)) · Last competition: USA U20 Championships, Jun 19, 2026, 4561
Personal bests
WA points calculator →DisciplineResultAll-time2026
400mIndoorMA 202660.39859 pts––
800mIndoorMA 20262:32.07717 pts––
* Wind-assisted (> 2.0 m/s)
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | HJ | 1.52 | – | Jun 18, 2026 | USA U20 Championships |
| 2026 | HJ Indoor | 1.55 | – | Mar 13, 2026 | New Balance Nationals Indoors |
| 2026 | LJ | 5.25 | -0.1 | Jun 18, 2026 | USA U20 Championships |
| 2026 | LJ Indoor | 5.56 | – | Feb 6, 2026 | Riverhawk Invitational |
| 2026 | SP Indoor | 8.98 | – | Mar 13, 2026 | New Balance Nationals Indoors |
| 2026 | 60mH Indoor | 9.55 | – | Mar 13, 2026 | New Balance Nationals Indoors |
| 2026 | SP | 9.59 | – | Jun 18, 2026 | USA U20 Championships |
| 2026 | 100mH | 14.92 | +3.5 | Jun 18, 2026 | USA U20 Championships |