2024 Olympics: Paris preview, athletes to watch on July 27th - ESPN

Let the Paris Games begin. The Olympics are officially underway after a memorable opening ceremony Friday.

Saturday's events will be headlined by gymnastics, swimming, beach volleyball and tennis. Men's basketball will also begin, though Team USA doesn't compete until Sunday.

Katie Ledecky's quest for her 11th Olympic gold medal begins on Saturday in the 400m freestyle, where she will compete against Australian rival Ariarne Titmus, the reigning gold medalist. Carlos Alcaraz and Rafael Nadal begin their doubles journey at Roland Garros, while Coco Gauff and Jessica Pegula will do the same on the women's side.

5 a.m. ET: Gymnastics — men's qualification: subdivision 1 floor, parallel bars, pommel horse, rings, vault

5 a.m. ET: Swimming — men's/women's 100m breaststroke, men's/women's 400m freestyle and men's/women's 4x1000m freestyle relay heats

6 a.m. ET: Tennis — women's singles Round 1

8 a.m. ET: Beach volleyball — Team USA men's matchup against Cuba

2:30 p.m. ET: Swimming — Men's/women's 100m breaststroke semifinals plus medal rounds for men's/women's 400m freestyle and men's/women's 4x100m freestyle relay

A full list of the July 27th schedule can be found here.

Here's what's in store for Saturday:

Just how high does Simone Biles fly on her triple-double tumbling pass?

After her performance on the floor at the Olympic trials in Minneapolis last month, «SportsCenter» attempted to find out with a post on Instagram. The graphic measured the top of Biles' head where it was 12 feet from the ground, providing enough room for 7-foot-4 NBA center Victor Wembanyama to fit beneath her.

A post shared by SportsCenter (@sportscenter)

There were no measuring devices at the Target Center during trials, so ESPN's measurement served