African running

Bekele wins Berlin

The “2-hour marathon” season begins

2017-01-16: Kenenisa Bekele kicks off the 2017 Marathon season in Dubai, with what is a potential world record. It's the year of the "Breaking-2" after…

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Screen Shot 2016-12-13 at 5.53.48 PM

The sub-2 hour marathon in 2017? Thoughts on concept

2016-12-13: Nike's announcement that they're backing three top marathoners to break the 2 hour marathon barrier in Spring 2017, is the latest installment in the sub-2…

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IMG track

Talent ID & Development: IAAF Level 5 and USATF Level 3 lectures

2016-12-08: I’ve spent the last week, a very stimulating one, at the IMG Academy in Brandenton Florida, where I’ve lectured on the IAAF Level 5 and…

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publication

2016 publications: From the armchair to the site, via these journals

2016-10-18: Much of what you read here on this site is my attempt to translate the research I'm interested in, and which can be applied to…

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Semenya wins Monaco

The Caster Semenya debate

2016-07-16: Caster Semenya won the Monaco 800m in 1:55.33, at a canter, and is the surest bet for gold in Rio 2016. She's also the surest…

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Caster Semenya Rabat

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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Anti-doping_Flickr_Richard_MasonerCyclelicious

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 logo

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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