"Torched!" the skateboarder shared on Instagram. "Was an honor to be a part of the Opening Ceremony tonight."
The synchronized divers get some last-minute practice in at the Olympic Village.
The swimmers get a chance to meet the NBA superstar at the Opening Ceremony.
"The Olympic Games are about to begin," the diver shared on Instagram.
The rugby player and breakout TikTok star wrote on Instagram, "Why not us, why not now. Thank you to all my family and friends for the support through the years. I can feel the weight of all of you behind us going into this competition. Let's get it boys!"
"Our first game of the Tokyo 2021 Olympic is here and we're ready!!" Ashleigh Johnson posted to social media.
The badminton player was all smiles during a training sesh.
The swimmers get decked out in red, white and blue.
The fencers, who are also husband and wife, attended the Opening Ceremony.
The ladies debut sassy new leotards ahead of the preliminary competition.
The divers take a splash at the aquatics center in Tokyo.
Amber English and her fellow Olympic athletes suit up for the Opening Ceremony.
Taylor Sander shared this photo of his "squad" ahead of their first match in Tokyo.
The rugby player called the Opening Ceremony a "night I will remember forever."
"It's our first Game Day here in Tokyo and I'm so stoked to get started with my girls!!!!" Justine Wong-Orantes posted to social media.
"One team," Anna captioned a selfie next to her sailing partner. "It's a honor to represent the United States of America. Forever an Olympian and forever a part of @teamusa Just insane. Let's do it."
"All smiles because it's the day we've been waiting for," Alex Morgan captioned this photo. "GAME DAY!"
"Seeing my Olympic comp jersey today got me a bit emotional," the surfer shared to Instagram. "It's getting more and more real everyday. Three days away to the start of our waiting period."
The softball player shared, "13 years later….. @usasoftball will take the field tomorrow."
Hali Flickinger described her and her teammates as "one big happy family."
The softball player was all smiles as she explored Tokyo.
"Mimasaka, you are a slice of paradise I didn't know I needed in my life," the rugby star and West Point graduate captioned a selfie with teammate Kristi Kirshe.
The five-time world champion wrestler posted to Instagram, "We made it to our last training camp!! Unlimited covid tests, Lots of sleep, wrestling practice, meditation, karaoke and soft tissue. Feeling thankful for our food and morning walks."
The baseball player perched atop the Olympic rings for this Kodak moment.