World Record Progression, women 400mh
52″34 Yuliya Pechenkina, 08 Aug 03, Tula
52″61 Kim Batten, USA, 11 Aug 95, Gothenburg.
52″74 Sally Gunnell, GBR, 19 Aug 93, Stuttgart.
52″94 Marina Stepanova, 19 Sep 86, Tashkent.
53″32 Marina Stepanova, URS, 30 Aug 86, Stuttgart.
53″55 Sabine Busch, GDR, 22 Sep 85, East-Berlin.
53″58 Margarita Ponomareva, URS, 22 Jun 84, Kiev.
54″02 Anna Ambrosiene, URS, 11 Jun 83, Moscow.
54″28 Karin Rossley, GDR, 17 May 80, Jena.
54″78 Marina Makejeva, URS, 27 Jul 79, Moscow.
54″89 Tatjana Tselentsova, URS, 02 Sep 78, Prague.
55″31 Tatjana Tselentsova, URS, 19 Aug 78, Podolsk.
55″44 Krystyna Kacperczyk, POL, 18 Aug 78, Berlin.
55″63 Karin Rossley, GDR, 13 Aug 77, Helsinki.
55″74 Tatjana Storozheva, URS, 26 Jun 77, Karl-Marx-Stadt.
56″51 Krystyna Kacperczyk, POL, 13 Jul 74, Augsburg
Madrid 2005, Results of Day 3 European Championships: Helsinki 1971, men’s results