Natacha Anahi Castaño

ArgentinaArgentinaActive
Born
Jul 14, 1985 (41 years old)
Events
Marathon · Half Marathon

Natacha Anahi Castaño is a Argentina long-distance runner, born on July 14, 1985. She competes primarily in the 10000m, Semi and Marathon.

Her personal bests include 36:11.33 in the 10000m, 1:17:55 in the Semi and 2:43:16 in the Marathon. She is currently active on the international athletics circuit, representing Argentina.

Personal best · Marathon2:43:16
2026 season best2:44:21Sep 20, 2026 · Parque los Caobos, Caracas
2026 season best
Personal best · Half Marathon1:17:55
Last competition9na Fecha Campeonato Nacional de 10K Ruta Ciudad de Trenque LauquenSep 29, 2026 · 36:31
9na Fecha Campeonato Nacional de 10K Ruta Ciudad de Trenque Lauquen

As of Nov 7, 2026: Marathon 2:43:16, Half Marathon 1:17:55, 2026 season best 2:44:21 (Sep 20, 2026, Parque los Caobos, Caracas (VEN)) · Last competition: 9na Fecha Campeonato Nacional de 10K Ruta Ciudad de Trenque Lauquen, Sep 29, 2026, 36:31 · 41 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
10000mMar del Plata 2023Argentina 10 000 m all-time list36:11.33928 pts––
SemiBuenos Aires 2023Argentina Half Marathon all-time list1:17:55973 pts–#985
MarathonBuenos Aires 2025Argentina Marathon all-time list2:43:16997 pts–#932

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
202610Kilometr 36:31–Sep 29, 20269na Fecha Campeonato Nacional de 10K Ruta Ciudad de Trenque Lauquen
2026Semi 1:16:26–Aug 23, 2026Media Maratón Ciudad de Buenos Aires
2026Marathon 2:44:21–Sep 20, 2026Maratón Ciudad de Buenos Aires
2025Marathon 2:43:16–Sep 21, 2025Buenos Aires International Marathon, Buenos Aires
2024Semi 1:18:22–Aug 25, 202421k Buenos Aires
2024Marathon 2:54:58–Sep 22, 2024Buenos Aires International Marathon, Buenos Aires
202310000m 36:11.33–Apr 16, 2023Campeonato Provincial, Pista de Atletismo Justo Román, Mar del Plata
2023CrossCount 43:31–Jul 8, 2023Argentinian Cross Country Championships, Misiones - XC 10.0km
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FAQ

Frequently asked questions

Natacha Anahi Castaño's Marathon personal best is 2:43:16, set on Sep 21, 2025 in Buenos Aires (ARG).

Natacha Anahi Castaño competes in the Marathon and Half Marathon.

2026 season best: 2:44:21, set on Sep 20, 2026 in Parque los Caobos, Caracas (VEN). Last competition: 9na Fecha Campeonato Nacional de 10K Ruta Ciudad de Trenque Lauquen on Sep 29, 2026, 36:31.