Semi Thiel Deng Thiel

Semi Thiel Deng Thiel

South SudanSouth SudanActive
Born
Feb 2, 2003 (23 years old)
Events
400 m · 300 Metres Short Track

Semi Thiel Deng Thiel is a South Sudan sprinter, born on February 2, 2003. He competes primarily in the 200m, 400m and 4x100m.

His personal bests include 20.93 in the 200m, 45.39 in the 400m, 40.89 in the 4x100m, 47.12 in the 400m-short-track and 47.12 in the 400m-short-track. He is currently active on the international athletics circuit, representing South Sudan.

Personal best · 400 m45.39
2026 season best45.03Aug 26, 2026 · Forest Stadium, Sopot
2026 season best
National record47.12400 Metres Short Track
National record
Personal best · 300 Metres Short Track33.32

As of Nov 13, 2026: 400 m 45.39, 300 Metres Short Track 33.32, 2026 season best 45.03 (Aug 26, 2026, Forest Stadium, Sopot (POL)) · Last competition: 9. International Wiesław Maniak Memorial, Aug 26, 2026, 45.03 · National record (400 Metres Short Track) · 23 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
200mPoznan 2026South Sudan 200 m all-time list20.931,078 pts–#523
400mSopot 2026South Sudan 400 m all-time list45.391,153 pts–#84
4x100mNamboole 2023South Sudan 4 × 100 m all-time list40.89––
400m-short-trackIndoorToruń 202647.121,099 pts–#426
400m-short-trackToruń 202647.121,099 pts–#120
200m-short-trackIndoorWrocław 202621.481,062 pts–#731

Progression

SeasonDisciplineResultWindDateCompetitions
2026200m 20.87+0.6Jul 18, 2026Marek Zarychta Memorial
2026200m-short-track Indoor21.48–Jan 10, 2026Halowy mityng Dolnośląskiego Związku Lekkiej Atletyki
2026200m-short-track 21.48–Jan 10, 2026Halowy mityng Dolnośląskiego Związku Lekkiej Atletyki
2026300m-short-track Indoor33.32–Jan 10, 2026Halowy mityng Dolnośląskiego Związku Lekkiej Atletyki
2026300m Indoor33.32–Jan 10, 2026Halowy mityng Dolnośląskiego Związku Lekkiej Atletyki
2026300m-short-track 33.32–Jan 10, 2026Halowy mityng Dolnośląskiego Związku Lekkiej Atletyki
2026400m 45.03–Aug 26, 20269. International Wiesław Maniak Memorial
2026400m-short-track 47.12–Jan 18, 2026Ogólnopolski mityng lekkoaltetyczny MKL Toruń
FAQ

Frequently asked questions

Semi Thiel Deng Thiel's 400 m personal best is 45.39, set on Jun 14, 2026 in Forest Stadium, Sopot (POL).

Semi Thiel Deng Thiel competes in the 400 m and 300 Metres Short Track.

2026 season best: 45.03, set on Aug 26, 2026 in Forest Stadium, Sopot (POL). Last competition: 9. International Wiesław Maniak Memorial on Aug 26, 2026, 45.03.