While no spots for Worlds are on the line his year, there are still some very interesting races at USA Indoors this year, particularly if the stars decide to go for a fast time. Can Donavan Brazier (600), Ajee Wilson (1k) and Craig Engels break American or even World records this weekend?

Allowing her to compete untreated is hurtful to all female athletes who weren't born intersex.

Athletes to voice their opinion included Paula Radcliffe who said the effects of elevated testosterone "can't be ignored" and tennis great Billie Jean King who called the IAAF testosterone rules “barbaric, dangerous, and discriminatory”.

The race will follow the IC4A/ECAC meet.