Külli Sizask

EstoniaEstoniaActive
Born
Apr 2, 1987 (39 years old)
Events
Marathon · 800 Metres Short Track

Külli Sizask is a Estonia long-distance runner, born on April 2, 1987. She competes primarily in the 3000m, 10000m and Semi.

Her personal bests include 10:15.78 in the 3000m, 38:30.79 in the 10000m, 1:21:43 in the Semi, 2:50:41 in the Marathon and 6:34.77 in the 2000m. She has earned 1 gold medal in major international competitions. She is currently active on the international athletics circuit, representing Estonia.

Personal best · Marathon2:50:41
2026 season best2:39:03Sep 13, 2026
2026 season best
Last competitionTartu Linnamaraton - Half MarathonOct 3, 2026 · 1:17:34
Tartu Linnamaraton - Half Marathon

As of Nov 6, 2026: Marathon 2:50:41, 2026 season best 2:39:03 (Sep 13, 2026) · Last competition: Tartu Linnamaraton - Half Marathon, Oct 3, 2026, 1:17:34 · 39 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
3000mIndoorTallinn 202610:15.78884 pts––
10000mRakvere 2025Estonia 10 000 m all-time list38:30.79820 pts––
SemiRakvere 2025Estonia Half Marathon all-time list1:21:43902 pts––
MarathonTallinn 2025Estonia Marathon all-time list2:50:41933 pts–#693
2000mIndoorTallinn 20266:34.77875 pts–#42
2000MetresIndoorTallinn 20266:34.77–#50

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
2026800m-short-track Indoor2:18.38–Mar 1, 2026Estonian Indoor Championships
20261500m-short-track Indoor4:37.76–Feb 28, 2026Estonian Indoor Championships
20261500m 4:46.95–Jul 25, 2026Estonian Championships
2026MileRoad 5:03.69–Jun 5, 2026Estonian Road Mile Championships
20262000Metres Indoor6:34.77–Feb 11, 2026Nõmme KJK lahtised meistrivõistlused, Tallinna Kergejõustikuhall, Tallinn (i)
20262000m Indoor6:34.77–Feb 11, 2026Nõmme KJK lahtised meistrivõistlused, Tallinna Kergejõustikuhall, Tallinn (i)
20263000m-short-track Indoor10:13.09–Mar 1, 2026Estonian Indoor Championships
20263000m Indoor10:15.78–Jan 24, 2026Estonian Indoor Cup
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FAQ

Frequently asked questions

Külli Sizask's Marathon personal best is 2:50:41, set on Sep 14, 2025 in Tallinn (EST).

Külli Sizask competes in the Marathon and 800 Metres Short Track.

2026 season best: 2:39:03, set on Sep 13, 2026. Last competition: Tartu Linnamaraton - Half Marathon on Oct 3, 2026, 1:17:34.