African running

Hyperandrogenism and women vs women vs men in sport: A Q&A with Joanna Harper

2016-05-23: Caster Semenya's likely gold medal in Rio is going to be one of the most controversial stories of the Games, if not the history of…

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Interview with Renee Anne Shirley

2015-11-16: Renee Anne Shirley is one of the world's leading anti-doping experts. Also a whistleblower who shed light on lax anti-doping practices in Jamaica, she…

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A no-good week for doping in sport

2015-06-07: A bad week for doping, with allegations against Salazar and Rupp, and the suspension of the UCI/WADA case against Roman Kreuziger. Some brief thoughts on…

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London Marathon 2015: Live splits and commentary

2015-04-26: Live coverage, including 5km splits and race commentary of the 2015 London…

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Boston Marathon 2015: Live splits and coverage

2015-04-20: Live coverage and splits of the 2015 Boston…

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2014 Wrap Part 2: The science of sport review

2014-12-30: In the second part of my 2014 Review series, I look at three of the sports science stories that made news - the sub-2 hour…

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The 2-hour marathon and the 4-min mile

2014-12-16: A recently launched group plans to help runners go under 2 hours for the marathon in five years. is it feasible? For many reasons,…

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“177” – The Sub-2 hour marathon and East Africa’s super-runners

2014-10-14: Marathon running is in a golden era, the 2-hour barrier approaching. Kenyans in particular have led the charge, raising some of the most fascinating…

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The rise of Kenya

2014-03-07: The marathon has seen an extra-ordinary explosion in quality and quantity over the last 20 years. Its epicenter is Kenya. I look at…

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