(Coverage on Ch. 4, unless noted)

Track and Field

In the women’s 400 meters final, Allyson Felix seeks to become the most decorated U.S. woman in track and field with a seventh career Olympic medal. And Kenya’s David Rudisha attempts to become the first man in 52 years to repeat as champion in the 800. 8 p.m.-midnight

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Basketball

Two men’s heavyweights go head-to-head as Spain duels Argentina in a Group B finale. Manu Ginobili is on a roster of familiar faces from Argentina’s 2004 gold medal team. 6 p.m., NBCSN, Basketball Specialty Channel

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Gymnastics

Apparatus finals include the women’s balance beam and three-time world champion Simone Biles of the U.S. Also, men’s rings and vault. 8-midnight

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Volleyball

The U.S. men, led by four-time Olympian Reid Priddy, concludes Pool A play against Mexico. 10 a.m.-1 p.m.

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Diving

Kristen Ipsen and Michael Hixon represent the U.S. in qualifying of the men’s 3-meter springboard event. 8 p.m.-midnight

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Equestrian.

The individual dressage final features American Laura Graves, who placed fifth at the 2014 World Equestrian Games, challenging a deep European field. 10:30 a.m., USA

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Gymnastics

The woman’s floor exercise could come down to a duel between Biles and teammate Aly Raisman, the 2012 Olympic gold medalist. 8-midnight

For complete TV listings, go to newsday.com/olympics