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You are here: Home / 2019 / Archives for May 2019

Archives for May 2019

Flawed evidence, robust research and scientific integrity in the IAAF’s DSD Regulations

Ross · 09 May 2019 ·

This is a guest post, sort of. Well, it’s a post that was co-authored by myself, along with two other academics – Roger Pielke Jr from the USA and Erik Boye of Norway. You may recall that last year, about this time actually, the three of us tried to look at the data that was […]

On DSDs, the theory of testosterone, performance the CAS ruling on Caster Semenya

Ross · 02 May 2019 ·

The Caster Semenya controversy, or more accurately, the issue of DSDs in women’s sport, is the most complex issue ever faced by sport. I share here my views, start to finish, in what I hope is a comprehensive overview of the concepts, the evidence, and the weighting of the factors that led to CAS’ decision to support the IAAF regulation.

A short thought on sport: Evaluating Eliud. Is Kipchoge a next-gen 2:02 marathoner, or a mid-2:04 runner in a technologically superior shoe? Who knows?

Ross · 01 May 2019 ·

Eliud Kipchoge is a physiological marvel. The Nike Vaporfly is a technological marvel. Both improve marathon performance. Except these statements can’t both be true, and the implications for the integrity of running and how we evaluate performances, can’t be ignored. This is an article on why that is.

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