Kathryn Treder (born March 17, 1996) is an American

rugby union Rugby union football, commonly known simply as rugby union in English-speaking countries and rugby 15/XV in non-English-speaking world, Anglophone Europe, or often just rugby, is a Contact sport#Terminology, close-contact team sport that orig ...

player. She has been a hooker and flanker for the United States national women's rugby union team since 2019 and represented the United States in the

2021 Rugby World Cup The 2021 Rugby World Cup was the ninth staging of the Rugby World Cup (women), women's Rugby World Cup, as organised by World Rugby. It was held from 8 October to 12 November 2022 in Auckland and Whangārei, New Zealand. It was originally sche ...

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

. She has also played professionally with the

Darlington Mowden Park Sharks Darlington Mowden Park Sharks Ladies Rugby Football Club (commonly shortened to DMP Sharks, also known briefly as DMP Durham Sharks for partnership purposes) is a women's rugby union club in Darlington, County Durham, England founded in 1996. Thei ...

and the

Loughborough Lightning Loughborough Lightning may refer to one of three women's sports teams based at Loughborough University: * Loughborough Lightning (netball) * Loughborough Lightning (cricket) * Loughborough Lightning (rugby union) {{disambiguation ...

in the

Premiership Women's Rugby Premiership Women's Rugby – officially known as Allianz Premiership Women's Rugby or The Allianz PWR – is an annual semi-professional women's rugby union club competition at the highest level of the English rugby union system, and is run b ...

league, and will play for the Bay Breakers in the inaugural season of the

Women's Elite Rugby Women's Elite Rugby (WER) is an annual semi-professional sports, semi-professional women's rugby union club competition at the top level of the United States rugby union system. It is contested by six clubs, owned by the league and operated by ...

competition in 2025.

Rugby career

After playing for the

Stanford University Leland Stanford Junior University, commonly referred to as Stanford University, is a Private university, private research university in Stanford, California, United States. It was founded in 1885 by railroad magnate Leland Stanford (the eighth ...

club team for four years and serving as the captain, Treder played for the Beantown women's side in the Women's Premier League. The team placed second in the league. In her first season, she was selected for the WPL's all-star match and in 2019, was selected for the U.S national fifteens team. She made her first appearance in November 19 at the CanAm series in

San Diego, California San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...

. She made her first

World Cup A world cup is a global sporting competition in which the participant entities – usually international teams or individuals representing their countries – compete for the title of world champion. The event most associated with the name is ...

appearance with the United States in 2021. Up until 2022, Treder continued to play for Beantown and served as an assistant coach for the women's rugby team at

Wellesley College Wellesley College is a Private university, private Women's colleges in the United States, historically women's Liberal arts colleges in the United States, liberal arts college in Wellesley, Massachusetts, United States. Founded in 1870 by Henr ...

. In 2022, she was named as one of the 15 leaders under 30 in women's rugby by the U.S. Women's Rugby Foundation. She played for the

in the 2022–2023 season of the

(PWR) competition, then switched to the

for the 2023-2024 PWR season. On February 18, 2025, she was named in the Bay Breakers squad for their inaugural season of the

competition. She played in the test match against

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...

on 26 April, the Eagles lost the closely contested game 33–39.

Biography and personal life

Treder was born on March 17, 1996, in

Anchorage, Alaska Anchorage, officially the Municipality of Anchorage, is the List of cities in Alaska, most populous city in the U.S. state of Alaska. With a population of 291,247 at the 2020 United States census, 2020 census, it contains nearly 40 percent of ...

to Luanna and Abraham Greybear. She is the second oldest of ten children and grew up helping to take care of her younger siblings. Treder is of Inupiaq and

Aleut Aleuts ( ; (west) or (east) ) are the Indigenous people of the Aleutian Islands, which are located between the North Pacific Ocean and the Bering Sea. Both the Aleuts and the islands are politically divided between the US state of Alaska ...

descent. She attended Anchorage West High School, where she competed in the

long jump The long jump is a track and field event in which athletes combine speed, strength and agility in an attempt to leap as far as possible from a takeoff point. Along with the triple jump, the two events that measure jumping for distance as a gr ...

and

triple jump The triple jump, sometimes referred to as the hop, step and jump or the hop, skip and jump, is a track and field event, similar to long jump. As a group, the two events are referred to as the "horizontal jumps". The competitor runs down the tr ...

for the track team and the boys wrestling team. After graduating in 2014, she went on to study political science and comparative studies in race and ethnicity at

. After graduating from Stanford, Treder moved to

Boston Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...

to do research in the political science department at

Massachusetts Institute of Technology The Massachusetts Institute of Technology (MIT) is a Private university, private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of moder ...

. She became engaged to fellow rugby player

Alev Kelter Leyla Alev Kelter ( ; born March 21, 1991) is an American rugby sevens and rugby union player. She competed for the United States at the 2016, 2020 and 2024 Summer Olympics. She also represented the United States at the 2017 and 2021 Rugby Worl ...

at the

2024 Summer Olympics The 2024 Summer Olympics (), officially the Games of the XXXIII Olympiad () and branded as Paris 2024, were an international multi-sport event held in France from 26 July to 11 August 2024, with several events started from 24 July. P ...

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

References

{{DEFAULTSORT:Treder, Kathryn 1996 births 21st-century Alaska Native people 21st-century Inuit people 21st-century Inuit women 21st-century Native American women Sportspeople from Anchorage, Alaska Stanford University alumni American female rugby union players American LGBTQ rugby union players 21st-century American sportswomen United States women's international rugby union players American expatriate rugby union players in England American LGBTQ sportswomen Living people Inupiat people Darlington Mowden Park Sharks players Loughborough Lightning rugby union players LGBTQ Native Americans