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2012  World  Top 20 Compiled by Mirko Jalava, Tilastopaja Oy. Text version here.

Women
4 x 100 m
1	40.82	WR		United States				1	OG	London	10 Aug
				Tianna Madison, Allyson Felix, Bianca Knight, Carmelita Jeter
3	41.41	NR		Jamaica				2	OG	London	10 Aug
				Shelly-Ann Fraser, Sherone Simpson, Veronica Campbell-Brown, Kerron Stewart
5	42.04	NR		Ukraine				3	OG	London	10 Aug
				Olesya Povh, Hrystyna Stuy, Mariya Ryemyen, Yelizaveta Bryzhina
7	42.31	NR		Trinidad & Tobago				2h1	OG	London	9 Aug
				Michelle Lee Ahyee, Kelly-Ann Baptiste, Kai Selvon, Semoy Hackett
9	42.45	NR		Netherlands				3h1	OG	London	9 Aug
				Kadene Vassell, Dafne Schippers, Eva Lubbers, Jamile Samuel
11	42.51			Germany				1	EC	Helsinki	1 Jul
				Leena Günther, Anne Cibis, Tatjana Pinto, Verena Sailer
13	42.55	AR		Brazil				4h1	OG	London	9 Aug
				Ana Claudia da Silva, Franciela Krasucki, Evelyn dos Santos, Rosângela Santos
15	42.64			Nigeria				4	OG	London	10 Aug
				Damola Osayomi, Gloria Asumnu, Endurance Abinuwa, Blessing Okagbare
17	43.06			Poland				3	EC	Helsinki	1 Jul
				Marika Popowicz, Daria Korczyńska, Marta Jeschke, Ewelina Ptak
19	43.07			Bahamas				6h1	OG	London	9 Aug
				Sheniqua Ferguson, Chandra Sturrup, Christine Amertil, Anthonique Strachan
21	43.12			France				2h1	EC	Helsinki	30 Jun
				Carima Louami, Ayodelé Ikuesan, Jennifer Galais, Christine Arron
23	43.21			Colombia				5h2	OG	London	9 Aug
				Yomara Hinestroza, Norma González, Darlenis Obregón, Eliecet Palacios