Swimming, 50 meters or yards, women

Enter best time ever:
Minutes Seconds Age at best time ever

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The above calculations use the swimming age factors in Table 3 in Fair (2004). They are based on pooling all the 50 meter and 50 yard swimming events for women. The age factors in the 90s and possible in the 80s are not very reliable because they are based on small samples for women. See the discussion in the paper. The age factors are:

Age	Factor	Age	Factor	Age	Factor
35	1.000	60	1.134	85	1.792
36	1.005	61	1.142	86	1.848
37	1.010	62	1.151	87	1.907
38	1.015	63	1.161	88	1.970
39	1.020	64	1.172	89	2.037
40	1.025	65	1.185	90	2.108
41	1.030	66	1.199	91	2.184
42	1.035	67	1.214	92	2.265
43	1.041	68	1.231	93	2.351
44	1.046	69	1.249	94	2.442
45	1.051	70	1.269	95	2.539
46	1.056	71	1.290	96	2.643
47	1.061	72	1.312	97	2.754
48	1.067	73	1.336	98	2.872
49	1.072	74	1.362	99	2.998
50	1.077	75	1.390	100	3.132
51	1.083	76	1.420
52	1.088	77	1.452
53	1.094	78	1.485
54	1.099	79	1.521
55	1.105	80	1.560
56	1.110	81	1.601
57	1.116	82	1.644
58	1.121	83	1.691
59	1.127	84	1.740