The International Olympic Committee's announcement on Thursday that it is reintroducing gender testing to protect the female category, after last being used at the 1996 Atlanta Olympics, raises practical, legal, ethical and scientific questions.
Germany's collective strength will be key to their World Cup chances later this year, coach Julian Nagelsmann said ahead of the four-time world champions' international friendlies in the coming week.
NSW Waratahs coach Dan McKellar has called on his side to "roll our sleeves up and be hungry" as they bid to halt a run of three straight Super Rugby defeats on Friday.
The London marathon could be split across two days next year to reportedly allow up to 100,000 runners to participate and raise millions more for charity.