Swimming is always one of the marquee events of the Olympics, and the Rio Games are brimming with great matchups. From Katie Ledecky‘s quest for gold to Australia’s Campbell sisters gunning for history to Michael Phelps’ final stand, here are the must-watch races of the 2016 Olympics:
Sat Aug 6
Men’s 400m Freestyle 9:30 pm EDT
Sun Yang of China is the defending champion, but Australian Mack Horton has the fastest time this year. And watch out for U.S. swimmer Conor Dwyer who clocked the third fastest time of 2016.
Women’s 4x100m Freestyle relay 10:24pm EDT
This might belong to the Australians, whose team will feature sisters Bronte and Cate Campbell. The U.S. women haven’t won this event since 2000. But they’re doing everything they can to change that. Freestyle phenom Katie Ledecky, who swam the morning heats to qualify the U.S., will swim again in the final, as the anchor leg. That’s unusual since Ledecky is known more as a distance swimmer and because she’ll swim her first individual race the following day.
(Read More: 60 Athletes to Watch in Rio)
Sun Aug 7
Women’s 400m Freestyle 10:01pm EDT
It’s all about Ledecky, who swims in the 400 m freestyle for her first chance at an individual Olympic gold. On the men’s side, Americans Nathan Adrian and Michael Phelps will likely be part of a strong 4x100m freestyle relay team, but the French and Russians have both swum blistering qualifying times.
Tues Aug 9
Women’s 200m Freestyle 9:19pm EDT
Ledecky goes for her second individual medal. She’ll be racing against teammate Missy Franklin, and will have to keep an eye on Sarah Sjostrom from Sweden.
Men’s 200m Butterfly 9:28pm EDT
For the men, it’s a rivalry repeat. Phelps, Chad le Clos of South Africa and Laszlo Cseh of Hungary are back to battle for the wall again. Cseh and Phelps own the two fastest times this year, and there’s high anticipation for another photo finish to rival the fingertip’s edge that Phelps gained over Milorad Cavic from Serbia in the 2008 Olympics in Beijing.
Women’s 200m Individual Medley 10:29pm EDT
Maya Di Rado of the U.S. also swims in the 200m individual medley; Along with Michael Phelps and Ledecky, the Stanford grad is one of three U.S. swimmers racing in three individual events. She’ll go stroke for stroke with Siobhan-Marie O’Connor of Great Britain, who qualified in the event with the fastest time.
Men’s 4x200m Freestyle Relay 10:38pm EDT
The U.S. men will try to defend their gold this relay, which they dominated in 2012 with the help of Phelps. That win established Phelps as the most decorated Olympian of all time.
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Wed Aug 10
Men’s 100m Freestyle 10:03pm EDT
This one moves fast and furious. Nathan Adrian will be defending his title (assuming he makes it through the heats), but he’ll have competition from Australia’s Cameron McEvoy.
Women’s 4x200m Freestyle Relay 10:55pm EDT
It’s the women’s turn in the 4x200m freestyle relay, and Ledecky has another chance for a medal.
Thurs Aug 11
Men’s 200m Individual Medley 10:01pm EDT
Phelps aims to defend his gold in what’s become his signature event, but teammate Ryan Lochte will be pushing him to the wall.
Women’s 100m Freestyle 10:18pm EDT
If the Campbell sisters both climb to the podium, it would be the first time siblings shared the Olympic medal stand in an individual swimming event. The U.S.’s Simone Manuel, and Sweden’s Sjostrom could also be in the mix.
(Read More: The Best of Michael Phelps May Lie Ahead)
Fri Aug 12
Men’s 100m Butterfly 9:12pm EDT
Your last chance to see Phelps in an individual race — if he’s serious this time about retiring. He’ll have some familiar competition — Cseh and le Clos.
Women’s 800m Freestyle 9:20pm EDT
It’s also Ledecky’s last individual race at the Games — the longest one, the 800m freestyle. She’s the defending Olympic champion and is eager to repeat.
Men’s 50m Freestyle 9:44pm
The men’s splash-and-dash — 50m freestyle — is a mad sprint down one length of the pool. The defending champion from France, Florent Manadou, is back to defend his title but the U.S.’s Adrian and Australia’s McEvoy will also be racing him to the wall.
Sat Aug 13
Women’s 50m Freestyle 9:03pm EDT
It’s the women sprinters’ turn and it’s likely to be a tight race between the likes of the Campbell sisters, Sjostrom and even the U.S.’s Manuel.
Women’s 4x100m Medley Relay 9:49pm EDT
Men’s 4x100m Medley Relay 10:04pm EDT
The Chinese are the world champions and the Australians and Swedes are close behind so the U.S. women will have to fight for a spot on the podium. On the men’s side, the U.S. are the world champions and have won this Olympic event every year they’ve attended since 1960. It’s also likely Phelps’ last appearance in an Olympic race — again, if he actually retires.
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