| 23rd U.S. Open Taekwondo Championships | |||||
| Las Vegas Hotel | |||||
| Las Vegas, Nevada, USA | |||||
| February 19-23, 2014 | |||||
| Sr. sparring | |||||
| Fin | |||||
| Men | Women | ||||
| Irving Delgado | MEX | 1st | Wan Ting Lin | TPE | |
| Huan Yu Chen | TPE | 2nd | Yvette Yong | CAN | |
| Cesar Rodriguez | MEX | 3rd | Katherine Calderon Flores | PER | |
| Camilo Perez | CHI | 3rd | Melanny Herrera | CHI | |
| Fly | |||||
| Men | Women | ||||
| Shuai Zhao | CHN | 1st | Itzel Manjarrez Bastidas | MEX | |
| Lucas Guzman | ARG | 2nd | Lizbeth Diez Canseco | PER | |
| Carlos Navarro Valdez | MEX | 3rd | Charlotte Craig | USA | |
| Ping Shun Wang | TPE | 3rd | Zhaoyi Li | CHN | |
| Bantam | |||||
| Men | Women | ||||
| Chen Yang Wei | TPE | 1st | Yujin Kim | KOR | |
| Arman Irgaliev | RUS | 2nd | Yun Wen Huang | TPE | |
| Olie Burton | USA | 3rd | Ekaterina Kim | RUS | |
| Vladimir Kim | RUS | 3rd | Alexandra Lychagina | RUS | |
| Feather | |||||
| Men | Women | ||||
| Tsung Jul Lo | TPE | 1st | Cheyenne Lewis | USA | |
| Mark Lopez | USA | 2nd | Evelyn Gonda | CAN | |
| Jooseong Lee | KOR | 3rd | Diana Lopez | USA | |
| Konstantin Minin | RUS | 3rd | Paulina Armeria Vecchi | MEX | |
| Light | |||||
| Men | Women | ||||
| Albert Gaun | RUS | 1st | Hua Zhang | CHN | |
| Jiannan Huang | CHN | 2nd | Ashley Kraayeveld | CAN | |
| Henrique Moura | BRA | 3rd | Melissa Ovieda Cardenas | MEX | |
| Jaysen Ishida | USA | 3rd | Hwilang Kim | KOR | |
| Welter | |||||
| Men | Women | ||||
| Steven Lopez | USA | 1st | Hyeri Oh | KOR | |
| Sebastian Crismanich | ARG | 2nd | Paige McPherson | USA | |
| Lenn Hypolite | TRI | 3rd | Anastasiia Baryshnikova | RUS | |
| Anton Kotkov | RUS | 3rd | Jing Zhang | CHN | |
| Middle | |||||
| Men | Women | ||||
| Misael Lopez Jaramillo | MEX | 1st | Maria Espinosa | MEX | |
| Zhaoyong Ma | CHN | 2nd | Injong Lee | KOR | |
| Jordan Stewart | CAN | 3rd | Donghua Li | CHN | |
| Jeroen Wanrooij | NED | 3rd | Ting Hsia Ma | TPE | |
| Heavy | |||||
| Men | Women | ||||
| Dongmin Cha | KOR | 1st | Olga Ivanova | RUS | |
| Anthony Obame | GAB | 2nd | Briseida Acosta Balarezo | MEX | |
| Stephen Lambdin | USA | 3rd | Lauren Hamon | USA | |
| Ocelotzin Sanchez Enriquez | MEX | 3rd | Ying Liu | CHN | |
| Poomsae | |||||
| Individual | |||||
| Men | Youth (10-11) | Women | |||
| Ryan Real | USA | 1st | Sharlene Duong | USA | |
| Andrew Kyo-Hyun Hwan | USA | 2nd | Jae Kyung Shim | USA | |
| William J. Arroyo | MEX | 3rd | Hannah Mooney | USA | |
| Brandon Hyun Jun Cho | USA | 3rd | Kaylie Visitacion | USA | |
| Men | Cadet (12-14) | Women | |||
| Vincent Jodjana | USA | 1st | Yerim Jeong | USA | |
| Matthew Balderrama | USA | 2nd | Jamie Ng | USA | |
| Tomas Marques de Mesquita | USA | 3rd | Priscilla Jo | USA | |
| Roman Antonio Molina | MEX | 3rd | Justina Yu | CAN | |
| Men | Junior (15-17) | Women | |||
| Julian Monroy | COL | 1st | Sunho "Sarah" Min | USA | |
| Alex Lee | USA | 2nd | Marie Alvie Dela Cruz | CAN | |
| Andrew Lee | USA | 3rd | Rose Ramsarran | CAN | |
| Kyle Ng | USA | 3rd | Cindy Asano | USA | |
| Men | 1st Senior (18-30) | Women | |||
| Hyunwoon Kim | KOR | 1st | Ying Hsian Lee | TPE | |
| Henry Sigchos | ECU | 2nd | Hyeeun Kim | KOR | |
| Gunsoo Kim | KOR | 3rd | Claudia Cardenas | ECU | |
| Bruno Saux | PER | 3rd | Marcela Castillo | PER | |
| Men | 2nd Senior (31-40) | Women | |||
| Jason Hwang | USA | 1st | Liao Hsia Chen | TPE | |
| Kwang Jin Ha | USA | 2nd | Kathy Do | USA | |
| Anh Nguyen | USA | 3rd | Monica Garcia Acevedo | COL | |
| Chau Truong | USA | 3rd | Kimberly Fritzsche | USA | |
| Men | 1st Master (41-50) | Women | |||
| Taewon Jung | USA | 1st | Naomi Hayashi | JPN | |
| Rubben Lolly | USA | 2nd | Elva P. Adams | USA | |
| Garth Colley | USA | 3rd | Sin Sook Lee | USA | |
| Doo Hyun Chung | USA | 3rd | Thu Doolittle | USA | |
| Men | 2nd Master (51-60) | Women | |||
| Reggie Ubiadas | USA | 1st | Kristi Koch George | USA | |
| Jin Ki Lim | USA | 2nd | Anacleta Thorne | USA | |
| Ronald Southwick | USA | 3rd | Barbara Brand | USA | |
| David Atkinson | AUS | 3rd | Shelley Vettesse-Baert | CAN | |
| Men | 3rd Master (61-65) | Women | |||
| Chi Duong | USA | 1st | Noreen Thackrey | USA | |
| David Pratt Jr. | USA | 2nd | Yukiko Takizawa | JPN | |
| Allen Deittrick | USA | 3rd | Diana Hunt | USA | |
| Men | 4th Master (65+) | Women | |||
| Barry Jordon | AUS | 1st | Erica Linthorst | USA | |
| Henry Jenkins | USA | 2nd | |||
| Joseph Bennett | USA | 3rd | |||
| Pairs | |||||
| Men | Youth Pairs (10-11) | Women | |||
| Brandon Cho | USA | 1st | Jae Kyung Shim | USA | |
| Kasey Doan | USA | 2nd | Sharlene Duong | USA | |
| Nathan Lowe | USA | 3rd | Erica Seo | USA | |
| Men | Cadet Pairs (12-14) | Women | |||
| Vincent Jodjana | USA | 1st | Rikki Jao | USA | |
| Tyler Dao | USA | 2nd | Arianna Le | USA | |
| Austin Ly | USA | 3rd | Alexandra Lee | USA | |
| Eugene Kimura | USA | 3rd | Yerim Jeong | USA | |
| Men | Junior Pairs (15-17) | Women | |||
| Su Bin Jeong | USA | 1st | Christina Castillo | USA | |
| Shemual Tsai | USA | 2nd | Evangeline Tsai | USA | |
| Hee Jun Chae | USA | 3rd | Sunho "Sarah" Min | USA | |
| Mauro Hernandez Jr. | USA | 3rd | Lucy Morales | MEX | |
| Men | 1st Pairs (18-30) | Women | |||
| Gunsoo Kim | KOR | 1st | Hyeeun Kim | KOR | |
| Bruno Saux | PER | 2nd | Marcela Castillo | PER | |
| Henry Sigchos | ECU | 3rd | Claudia Cardenas | ECU | |
| Heejae Yoo | USA | 3rd | Jini Choi | KOR | |
| Men | 2nd Pairs (31+) | Women | |||
| Garth Cooley | USA | 1st | Kristi Koch George | USA | |
| Andres Jaramillo Restrepo | COL | 2nd | Monica Garcia Acevedo | COL | |
| Taewon Jung | USA | 3rd | Sin Sook Lee | USA | |
| Christopher Hillyer | USA | 3rd | Jennifer Glagola | USA | |
| Teams | |||||
| Men | Youth Teams (10-11) | Women | |||
| Kasey Doan | USA | 1st | Megan Lee | USA | |
| Jacob Gonzaga | USA | 1st | Erica Seo | USA | |
| Christopher Tran | USA | 1st | Jae Kyung Shim | USA | |
| Men | Cadet Teams (12-14) | Women | |||
| Tyler Dao | USA | 1st | Rikki Jao | USA | |
| Kyle Tanimura | USA | 1st | Arianna Le | USA | |
| Vincent Jodjana | USA | 1st | Jamie Ng | USA | |
| Kyle Chung | USA | 2nd | Yerim Jeong | USA | |
| Jehyeok Heo | USA | 2nd | Alexandra Lee | USA | |
| Eugene Kimura | USA | 2nd | Emily Parlier | USA | |
| David Kim | USA | 3rd | Alexa Chan | USA | |
| Andrew Lee | USA | 3rd | Kylee Kim | USA | |
| Ethan Sun | USA | 3rd | Elizabeth Lee | USA | |
| Raymond Kim | USA | 3rd | Anzhelika Burova | RUS | |
| Jonathan Moon | USA | 3rd | Arina Puchko | RUS | |
| Moss Noble | USA | 3rd | Anastasia Puchko | RUS | |
| Men | Junior Team (15-17) | Women | |||
| Christopher Lu | USA | 1st | Marie Alvie Dela Cruz | CAN | |
| Kyle Ng | USA | 1st | Alissa Juman | CAN | |
| Shemual Tsai | USA | 1st | Rose Ramsarran | CAN | |
| Hee Jun Chae | USA | 2nd | Euressa Cosmiana | USA | |
| Jewoong Jeong | USA | 2nd | Marissa Mabanag | USA | |
| Min Jeong Methew Kim | USA | 2nd | Frances Santarina | USA | |
| Sean Choi | USA | 3rd | Cindy Asano | USA | |
| Nicholas Kang | USA | 3rd | Mean-hie Kim | USA | |
| Sunny Kim | USA | 3rd | Sunho "Sarah" Min | USA | |
| 3rd | Marian Morales | MEX | |||
| 3rd | Dafne Urzua | MEX | |||
| 3rd | Grecia Valenzuela | MEX | |||
| Men | 1st Team (18-30) | Women | |||
| Hyeongwon An | KOR | 1st | no competitors | ||
| Edward Jeong | USA | 1st | |||
| Hyunwoon Kim | KOR | 1st | |||
| Albert Jong | USA | 2nd | |||
| Alvin Jong | USA | 2nd | |||
| Lance Supnet | USA | 2nd | |||
| Liam Culhane | AUS | 3rd | |||
| Joshua Flinn | AUS | 3rd | |||
| Matthew Torrico | AUS | 3rd | |||
| Men | 2nd Team (31+) | Women | |||
| Anh Nguyen | USA | 1st | no competitors | ||
| Chau Truong | USA | 1st | |||
| Justin Wang | USA | 1st | |||
| Garth Cooley | USA | 2nd | |||
| David Turgeon | USA | 2nd | |||
| Ronald Southwick | USA | 2nd | |||
| KiHo Jeong | USA | 3rd | |||
| Taewon Jung | USA | 3rd | |||
| Seong Tae Kim | USA | 3rd | |||
| Jr. Sparring (15-17) | |||||
| Jr. Fin | |||||
| Men | Women | ||||
| Hao Chen Hsu | TPE | 1st | Laura Ovalle Sanchez | MEX | |
| Ian Bird | USA | 2nd | Haley Smith | USA | |
| Julio Quintanilla | USA | 3rd | Giannina Imhof | USA | |
| Van Mitchell Bactista | USA | 3rd | Maree Pulanco | USA | |
| Jr. Fly | |||||
| Men | Women | ||||
| Chen Yu Wang | TPE | 1st | Chia Yin Sung | TPE | |
| Ezequiel Navarro | ARG | 2nd | Brenda Lia Ortega | MEX | |
| Bruno Navarrette Sanchez | MEX | 3rd | Zi Ting Chen | TPE | |
| Rodrigo Gaston Rojas | MEX | 3rd | Meliza Rivera | PUR | |
| Jr. Bantam | |||||
| Men | Women | ||||
| Yu Jen Huang | TPE | 1st | Shua Hua Tsai | TPE | |
| Ethan Jenkis | CAN | 2nd | Michelle Gonciarz | USA | |
| Diego Guerrero Gaona | MEX | 3rd | Itzel Villalpando Munoz | MEX | |
| Torin Teaster | USA | 3rd | Yanilza Santiago Rojas | MEX | |
| Jr. Feather | |||||
| Men | Women | ||||
| Dylan Nedler | CAN | 1st | Emma larsen | CAN | |
| Ivier Casas Garcia | MEX | 2nd | Sarah Malykke | DEN | |
| Enrique Vazquez Vargas | USA | 3rd | Huai Hsuan Huang | TPE | |
| William Rodgers | CAN | 3rd | Renata Garcia de Leon | MEX | |
| Jr. Light | |||||
| Men | Women | ||||
| Jorge Zamora Vargas | MEX | 1st | Skylar Park | CAN | |
| Claudio Castro Melendez | MEX | 2nd | Thea Kling | SWE | |
| Kuang Wu Hou | TPE | 3rd | Yi Shiuan Hung | TPE | |
| Gonzalo Osnaya Ostoa | MEX | 3rd | Miriam Galecki | USA | |
| Jr. Welter | |||||
| Men | Women | ||||
| Luciano Vasquez | ARG | 1st | Cassie Tubbs | USA | |
| Alexandru Felea | USA | 2nd | Li Chien Chang | TPE | |
| Francisco Palacios Matias | GUA | 3rd | Ekaterina Kokh | RUS | |
| Emil Sorensen | DEN | 3rd | Lina Diaz Perez | MEX | |
| Jr. Light Middle | |||||
| Men | Women | ||||
| Vicente Rivera Guerrero | MEX | 1st | Ara White | USA | |
| Andus Lau | CAN | 2nd | Ronja Syversen | NOR | |
| Norberto Negron | USA | 3rd | Ipanema Soto Pastor | MEX | |
| Jacob Chung | USA | 3rd | Genevieve Sandoval | USA | |
| Jr. Middle | |||||
| Men | Women | ||||
| Connor Wilson | USA | 1st | Kendall Yount | USA | |
| Andrew Butryn | USA | 2nd | Gina Woods | CAN | |
| Niklas Poland | USA | 3rd | Mailen Sotelo | ARG | |
| Brandon Fordiani | USA | 3rd | Nian En Cai | TPE | |
| Jr. Light Heavy | |||||
| Men | Women | ||||
| Andres Beceiro Pizarro Suarez | MEX | 1st | Marie Ble | FRA | |
| Isaac Cantu Guijosa | MEX | 2nd | Morgan McGarvey | USA | |
| Jonathan Healy | USA | 3rd | Brieanna Hernandez | USA | |
| Youngwoong Hyun | USA | 3rd | Yi Chu Kuo | TPE | |
| Jr. Heavy | |||||
| Men | Women | ||||
| Tsung Han Yang | TPE | 1st | Ashley Arana | MEX | |
| Tyler Edmiston | USA | 2nd | Marie Lemme | NOR | |
| Marcos Ojeda Paredes | MEX | 3rd | Elizabeth Hernandez | USA | |
| Alan Bibilov | RUS | 3rd | Madelynn Gorman-Shore | USA | |
| Cadet Sparring (12-14) | |||||
| Cadet Fin | |||||
| Men | Women | ||||
| Frederik Olsen | SWE | 1st | Ashleigh Ogan | USA | |
| Omar Ortiz | USA | 2nd | Mia Vera | USA | |
| Vladislav Kulakov | RUS | 3rd | Marianna Ballard | USA | |
| Tuoi Le | USA | 3rd | Alejandra Ruiz | USA | |
| Cadet Fly | |||||
| Men | Women | ||||
| Andrei Kanaev | RUS | 1st | Tiara Antommarchi | USA | |
| Joshua Kosloski | USA | 2nd | Christine Bonoan | USA | |
| Brandon Visitacion | USA | 3rd | Mackenzie Murtha | USA | |
| Emilio Alfonso | USA | 3rd | Shaula Gomez | USA | |
| Cadet Bantam | |||||
| Men | Women | ||||
| Juancarlos Norzagaray | USA | 1st | Anapaula Aguilera | USA | |
| Ricardo Martinez | MEX | 2nd | Marissa Mabanag | USA | |
| Cole Crawford | USA | 3rd | Isis Oro | CAN | |
| Andrew Heiati | USA | 3rd | Kiana Chai Chong | USA | |
| Cadet Feather | |||||
| Men | Women | ||||
| Joseph Babista | USA | 1st | Sydney Stoyanoff | USA | |
| Jin Tomura | JPN | 2nd | Daria Torrenti | USA | |
| Diego Ibarra | MEX | 3rd | Andrea Villarreal | MEX | |
| Mario Cisineros | MEX | 3rd | Odalys Garcia | MEX | |
| Cadet Light | |||||
| Men | Women | ||||
| Kurt Erkmen | USA | 1st | Julianna Zuniga | USA | |
| Santiago Herrera | CAN | 2nd | Melissa Van Oirschot | CAN | |
| Francis Gamez | USA | 3rd | Alicia Mortimer | CAN | |
| Leo Kim | USA | 3rd | Karina Uy | USA | |
| Cadet Welter | |||||
| Men | Women | ||||
| Juan Pablo Alvarado | USA | 1st | Natalie Loureda | USA | |
| Daniil Grachev | RUS | 2nd | Isabella Hrunka | USA | |
| Tyler Salas | USA | 3rd | Kamille Carbon | USA | |
| Brandon Sealy | USA | 3rd | Anna Martinez | USA | |
| Cadet Light Middle | |||||
| Men | Women | ||||
| Sarmat Tcakoev | RUS | 1st | Citlally Munoz | MEX | |
| Joshua Liu | USA | 2nd | Mele Semidey | USA | |
| Emiliano Cruz | MEX | 3rd | Logan Weber | USA | |
| David Rodriguez | USA | 3rd | Skylar Farrell | USA | |
| Cadet Middle | |||||
| Men | Women | ||||
| Alex Solorio | USA | 1st | Tatiana Zaitceva | RUS | |
| Zachary Hiebert | CAN | 2nd | Macy McCutcheon | USA | |
| Nathaniel Kim | USA | 3rd | Ainsley Fox | USA | |
| Kendall Won | USA | 3rd | Hayley Hofstede | CAN | |
| Cadet Light Heavy | |||||
| Men | Women | ||||
| Pedro Valdez | USA | 1st | Becka Butler | USA | |
| Mathew Foong | USA | 2nd | Isabel Aguirre | MEX | |
| Noah Couch | USA | 3rd | Lisette Flores-Salcido | USA | |
| Julian Rivas | USA | 3rd | Madison Perez | USA | |
| Cadet Heavy | |||||
| Men | Women | ||||
| Richard Chung | USA | 1st | Thalya Brunal | CAN | |
| Hugh Cleghorn | CAN | 2nd | Melanie Diaz | USA | |
| Alejandro Leyto | MEX | 3rd | Tatiana Kirillova | RUS | |
| Tucker Hortman | USA | 3rd | Ilse Melendez | MEX | |