Swimming, 100 meters or yards, men
Enter best time ever:
Minutes Seconds
Age at best time ever

The above calculations use the swimming age factors in Table 3 in Fair (2004). They are based on pooling all the 100 meter and 100 yard swimming events for men. See the discussion in the paper. The age factors are:

AgeFactorAgeFactorAgeFactor
35 1.000 60 1.132 85 1.666
36 1.005 61 1.138 86 1.735
37 1.010 62 1.144 87 1.811
38 1.015 63 1.149 88 1.894
39 1.020 64 1.155 89 1.986
40 1.025 65 1.161 90 2.087
41 1.030 66 1.166 91 2.198
42 1.035 67 1.172 92 2.320
43 1.041 68 1.178 93 2.455
44 1.046 69 1.184 94 2.603
45 1.051 70 1.190 95 2.767
46 1.056 71 1.198 96 2.947
47 1.061 72 1.208 97 3.147
48 1.067 73 1.222 98 3.367
49 1.072 74 1.238 99 3.611
50 1.077 75 1.258 100 3.882
51 1.083 76 1.281
52 1.088 77 1.307
53 1.094 78 1.336
54 1.099 79 1.370
55 1.104 80 1.407
56 1.110 81 1.449
57 1.115 82 1.495
58 1.121 83 1.547
59 1.127 84 1.603