[thedoctor79]

> Sir — A. J. Tatem and colleagues calculate that women may out-sprint men by the middle of the twenty-second century (Nature 431,525; 2004). They omit to mention, however, that (according to their analysis) a far more interesting race should occur in about 2636, when times of less than zero seconds will be recorded.

This analysis fails to account for the prediction that in early 27th century FTL speeds will be achievable and a woman would invent a relativistic shoe that would allow here to wind the 100 meters dash.