Ana María Nielsen

Ana María Nielsen Udrizard (born 11 April 1951) is a retired Argentine middle-distance and marathon runner. She won multiple medals at continental level. She also held several national records.

Ana María Nielsen

Personal information
Full name	Ana María Nielsen Udrizard
Nationality	Argentine
Born	(1951-04-11) 11 April 1951
Sport
Sport	Athletics
Event(s)	800 metres, 1500 metres, marathon
Club	Club Atlético Talleres
Coached by	Juan Carsolio

She is of Danish descent.

International competitions

Year	Competition	Venue	Position	Event	Notes
Representing Argentina
1971	South American Championships	Lima, Peru	5th (h)	800 m	2:19.6 1
1974	South American Championships	Santiago, Chile	1st	800 m	2:11.9
			2nd	1500 m	4:33.5
			5th	4 × 400 m relay	3:57.5
1975	South American Championships	Rio de Janeiro, Brazil	1st	1500 m	2:10.7
			1st	1500 m	4:27.0
	Pan American Games	Mexico City, Mexico	4th	800 m	2:09.86
			5th	1500 m	4:37.80
1978	Southern Cross Games	La Paz, Bolivia	1st	800 m	2:15.85
			1st	1500 m	4:57.12
1989	21K Buenos Aires	Buenos Aires, Argentina	1st	Half marathon	1:17:38
	Buenos Aires Marathon	Buenos Aires, Argentina	1st	Marathon	2:43:58
1991	21K Buenos Aires	Buenos Aires, Argentina	1st	Half marathon	1:17:29
	Boston Marathon	Boston, United States	22nd	Marathon	2:47:45
	Buenos Aires Marathon	Buenos Aires, Argentina	1st	Marathon	2:42:44

¹Disqualified in the final

Personal bests

Outdoor

• 800 metres – 2:09.86 A (Mexico City 1975; former NR)
• 1500 metres – 4:27.0h (Rio de Janeiro 1975; former NR)
• 3000 metres – 10:08.4h (Montevideo 1992)
• 5000 metres – 17:45.4h (Buenos Aires 1994)
• 10,000 metres – 37:05.4h (Montevideo 1992)
• Half marathon – 1:17:29 (Buenos Aires 1991)
• Marathon – 2:39:26 (Santa Rosa 1990; former NR)