It's the Day 8 of the 2016 Rio Olympics, and action continues with plenty of exciting medal events.

In the morning, Usain Bolt and Justin Gatlin hit the track for the first time in the 100-meter prelims. Later in the evening, the world's fastest woman will be named following the women's 100-meter final.

Michael Phelps will also swim in his final Olympic race, the 4x100-meter medley relay, on Saturday night.

Here's everything you need for Day 8.

Medal Tracker

Medal Tracker
Rio 2016

Events to watch

Michael Phelps will swim in his final Olympic race on Saturday night. USATSI

Track and Field

Men's 100-meter preliminaries: Usain Bolt and American Justin Gatlin will run their first race in Rio in Round 1 of the 100-meters. Bolt is looking for his seventh and eighth Olympic gold medals.

When: 11 a.m. ET

TV: NBC | Stream:

Women's 100-meter final: Jamaica's Shelly-Ann Fraser-Pryce and American English Gardner will likely race for the title of "world's fastest woman."

When: 9:37 p.m. ET

TV: NBC | Stream:


Round 3: Golf is back in the Olympics for the first time since 1904 and things get started early Saturday morning on Moving Day.

When: 6:30 a.m. ET

TV: Golf Channel | Live stream:


Women's 50-meter freestyle final: American Simone Manuel looks for her second gold medal of the Rio Games.

When: 9:03 p.m. ET

TV: NBC | Stream:

Women's 4x100-meter medley relay: The U.S. women's swimming team looks to win one last gold medal its final indoor race.

When: 9:49 p.m. ET

TV: NBC | Live stream:

Men's 4x100-meter medley relay: Michael Phelps will swim the butterfly in his final race ever. It will surely be an emotional night as Phelps goes for his fifth gold and sixth medal of the games.

When: 10:04 p.m. ET

TV: NBC | Live stream:

All events

TV: The following channels will air a variety of Olympics events throughout the day -- NBC, TELEMUNDO (Spanish language), Bravo, CNBC, Golf Channel, MSNBC, NBC Sports Network, NBC UNIVERSO (Spanish language), USA Network

Live stream: Every sport can be streamed live on (specific links can be found above).

Other devices: Download the NBC Sports App for authenticated access on Apple TV, Roku, Amazon Fire TV, Chromecast, Xbox and Samsung. You can also watch live on your Apple and Android devices.

For a full schedule of events on day 8, click here.