The likes of Laurie Hernandez and Morgan Hurd will be out of action in the US Olympic Gymnastics Trials 2021 as they fail to make it to the list of the final 18 participants. USA Gymnastics announced the participants in the men's and women's categories after the national championship concluded on Sunday.Laurie Hernandez began her senior career in 2016 and was a part of the USA women's team that won the gold medal in Rio. She also clinched a silver medal on the balance beam with a score of 15.333, ahead of bronze-medallist Simone Biles.Hernandez had to withdraw from the Nationals as she hyper-extended her knees in a balanced beam warm-up on Friday.Laurie Hernandez's leotards this season were inspired by superheroes. 💥👊(via @LaurieHernandez) @OnHerTurf pic.twitter.com/nnL5lR1eEW— #TokyoOlympics (@NBCOlympics) June 7, 2021Morgan Hurd began her senior career in 2017 and won gold and silver medals in the all-around and balance beam competitions respectively at the World Championships in Montreal.A year later in Doha, she was a part of the USA team that clinched the gold medal in the World Championships. Hurd also won silver and bronze medals in the floor exercise and all-around competitions respectively.ALSO READ: Top 5 Olympic moments of Aly RaismanFull list of women's competitors at US Olympic Gymnastics Trials 2021Simone BilesSimone Biles, Texas/World Champions CentreSkye Blakely, Texas/WOGA GymnasticsJade Carey, Arizona SunraysJordan Chiles Texas/World Champions CentreKayla DiCello, Hill’s GymnasticsAmari Drayton, Texas/World Champions CentreKara Eaker, Great American Gymnastics ExpressAddison Fatta, Prestige GymnasticsShilese Jones, Ohio/Future Gymnastics AcademyEmily Lee, California/West Valley Gymnastics SchoolSunisa Lee, Minnesota/Midwest Gymnastics CenterEmma Malabuyo, Texas DreamsGrace McCallum, Minnesota/Twin City TwistersRiley McCusker, New Jersey/Arizona SunraysZoe Miller, Texas/World Champions CentreAva Siegfeldt, World Class GymnasticsMyKayla Skinner, Arizona/Desert Lights GymnasticsLeanne Wong, Kansas City/Great American Gymnastics ExpressSimone Biles becomes the first woman to win 7 U.S. All-Around titles. She now has more all-around titles than any other woman in history. 🏆🥇 pic.twitter.com/YsoCHHMMng— MEFeater Magazine (@mefeater) June 7, 2021ALSO READ: What is the Yurchenko double pike? And why Simone Biles may not perform it at the 2021 Tokyo Olympics?Full list of men's competitors at US Olympic Gymnastics Trials 2021Sam Mikulak will be eyeing another Olympic qualification (Photo by Jamie Squire/Getty Images)Cameron Bock, University of MichiganAllan Bower, University of OklahomaBrandon Briones, Stanford UniversityAlex Diab, University of IllinoisGage Dyer, University of OklahomaVitaliy Guimaraes, University of OklahomaIan Gunther, Stanford UniversityPaul Juda, University of MichiganRiley Loos, Stanford UniversityBrody Malone, Stanford UniversitySam Mikulak, USOPTCAkash Modi, Stanford UniversityYul Moldauer, 5280 GymnasticsStephen Nederoscik, Penn State UniversityRobert Neff, USOPTCEddie Penev, USOPTCColin van Wicklen, Cypress AcademyMatt Wenske, University of OklahomaDonnell Whittenburg, Salto GymnasticsShane Wiskus, USOPTCAlec Yoder, Ohio State University