Tony McQuay

Hastings, teammates hope to close out worlds with 4x400 gold

To start the world championships, Natasha Hastings stood on the podium and received a gold medal.

That was without even racing, when she and her American 4x400-meter teammates from 2013 were upgraded in the wake of the Russian team being stripped of first place because of doping.

To end the competition, Hastings tries to get back to the top step Sunday along with the rest of the 2017 relay team. The 4x400 final is one of 11 on a fast and furious final day. In all, there are six finals for the women and five more in the men's events. The action goes to the streets with race walks — including the first-ever 50-kilometer women's event — and ends on the track with the 4x400...

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