Koyama rows as a member of UC San Diego's Second Varsity 8 crew. She is a junior Human Biology major in Roosevelt College.
Tribelhorn is a member of the Tritons' Varsity 4. She is a sophomore Physiology and Neuroscience major in Marshall College.
UC San Diego placed third in both the Varsity 4 and Second Varsity 8 races at the WIRA Championships, which were held April 28-29 on Lake Natoma outside of Sacramento.
The Tritons, ranked fifth in the most recent national poll, next compete at the Dad Vail Regatta, May 11-12 on the Schuylkill River in Philadelphia.
All-WIRA First Team
Sara Avery, San Diego State
Esther Broddin, Loyola Marymount University
Shea Cours, Stanford
Trista Cripe, Central Oklahoma
Brynn Danvers, San Diego State
Keagan Hanley, Stanford
Ellie Martin, Loyola Marymount University
Andrea Messenger, Central Oklahoma
Kristina Sestay, UC Santa Barbara
Emily Sousa, UC Santa Barbara
All-WIRA Second Team
Jessica Apodaca, Loyola Marymount University
Cassidy Bouchard, Sacramento State
Gina Bourke, San Diego State
Rachel Garrett, Chico State
Taylor Harris, Stanford
Kayla Hipp, Puget Sound
Liann Jimmons, UC Santa Barbara
Olivia Koyama, UC San Diego
Samantha Lai, California
Malia Metkiff, San Diego State
Hannah Shapiro, Humboldt State
Caitlin Tribelhorn, UC San Diego
Ashley Velasquez, Sacramento State
Shebly Wackerly, Central Oklahoma