What to watch in primetime on NBC: Day 7

Michael Phelps and Katie Ledecky try to add to their medal hauls in primetime Friday night on NBC at 8 p.m. ET/PT, plus Kerri Walsh Jennings and April Ross in the beach volleyball round of 16 and the first night of track and field action.

ET/CT users: Watch the stream here at 8:00 p.m. ET / 7:00 p.m. CT

MT users: Watch the stream here at 7:00 p.m. MT

PT users: Watch the stream here at 8:00 p.m. PT

Swimming finals continue with the women’s 800m free, men’s 100m fly and more

Live coverage (ET/CT) of swimming finals includes Katie Ledecky’s attempt to defend her title and set another world record in the 800m free after winning the event at age 15 in London, Hungarian Katinka Hosszu’s bid for her fourth gold of Rio in the 200m backstroke, Michael Phelps’ pursuit of another four-peat in the 100m fly and the “splash and dash” men’s 50m free.

Stream tonight’s swimming finals live here

Kerri and April take aim at the quarterfinals

In live round-of-16 action in beach volleyball, Kerri Walsh Jennings goes for her 25th consecutive Olympic win with partner April Ross against Italian duo Marta Menegatti and Laura Giombini.

Stream tonight’s beach volleyball match here

Track and field heats up

In the first night of track and field action, Olympic champion LaShawn Merritt runs in round 1 of the men’s 400m, Shelly-Ann Fraser-Pryce does the same in the women’s 100m and medals are handed out in the women’s shot put.

Watch the track and field night session here