American athlete (born 2004)
Roisin Willis (born August 6, 2004)[ 1] is an American middle-distance runner . She won the 800 meters at the 2025 USA Outdoor Track and Field Championships , having previously won gold medals at the 2022 World Under-20 Championships in the women's 800 metres and the 4x400 m relay .
Willis is a two-time NCAA champion.
Her mother is Irish track athlete Breeda Dennehy-Willis , who competed at the 2000 Sydney Olympics . Willis attended Stevens Point High School in Wisconsin .[ 2] She attended Stanford University , where she participated in cross country and track and field .[ 3]
Willis was successful as a high-school athlete. She is the U.S. high-school indoor 800 meters record holder. Her outdoor mark of 2:00.78 recorded in 2021 is a U.S. under-18 record.[ 4] She holds Wisconsin state records in 400 m , 800 m and 1600 m . Willis qualified to run in the 2020 US Olympic trials at Hayward Field in Eugene, Oregon , after running 2:00.78 for the 800 m at the Trials of Miles New York City . At the Olympic trials she reached the semi-finals, finishing 13th.[ 5]
She took silver in the 800 m at the 2022 USATF U20 Outdoor Championships ,[ 6] Two months later, she won the event at the World U20 Championships held in Cali , Colombia, breaking the championship record with a personal best of 1:59.13 .[ 7] This was the first time she ran sub-two minutes in an 800 m race.[ 8] She added gold for the women's 4 x 400 m relay with an official split time of 51.34.[ 9]
As a freshman at Stanford, Willis won the 800m in a time of 1:59.93 at the 2023
NCAA Indoor T&F Championships in Albuquerque, NM , setting a personal best, and meet and facility records in the process. She was also a member of the Stanford team that won the distance medley relay .[ 1] [ 10] That same year at the NCAA Outdoor T&F Championships she finished 4th in the 800m. Following her freshman year, she signed an NIL deal with New Balance prior to competing at the US Track and Field Championships. [ 11]
She won the 2025 NCAA Outdoor Championships in Eugene, Oregon, running 1:58.13, a new meeting record, which moved her to third on the all-time NCAA list, behind only Athing Mu and Michaela Rose .[ 12]
She won the women's 800 metres title at the 2025 USA Outdoor Track and Field Championships , winning her semi-final in 1:58.40 and then triumphing in the final in 1:59.26.[ 13] [ 14] [ 15]
^ a b "Roisin WILLIS – Athlete Profile" . World Athletics . Retrieved September 1, 2022 .
^ "Meet the Six High Schoolers Who Have Qualified to Run at the Olympic Trials" . Runners World . June 10, 2021.
^ "Roisin Willis' commitment to Stanford caps a year of accomplishments" . WSAW.com . November 2021.
^ "Halfmiler Roisin Willis Riding A Hot Streak" . Trackandfieldnews.com .
^ "On the rise:Roisin Willis (US High school 800m record holder)" . citiusmag.com .
^ "2022 Cross Country Roster" . Gostandord.com .
^ "Roisin Willis wins 800-meter gold medal at World Junior Championships" . WSAW-TV .
^ "Super Roisin Willis wins World U20 Championships 800m gold medal with 1:59.13CR" . World-track.org . August 3, 2022.
^ "Interview:Roisin Willis after winning gold at the world athletics u20 championships 800m" . Citiusmag.com .
^ "Phenoms Katelyn Tuohy and Roisin Willis Shine at NCAA Indoors" . LetsRun.com . March 11, 2023. Retrieved March 11, 2023 .
^ Chavez, Chris (July 3, 2023). "NCAA Champion Roisin Willis Signs New Balance NIL Deal" . Citius Mag . Retrieved July 5, 2023 .
^ Gault, Jonathan; Johnson, Robert (June 15, 2025). "Doris Lemngole (8:58) & Savannah Sutherland's (52.46) NCAA Records Highlights Women's Final Day" . Lets Run . Retrieved June 15, 2025 .
^ "Women's 800m Results - USATF Outdoor Championships 2025" . Watch Athletics . July 31, 2025. Retrieved August 1, 2025 .
^ Monti, David (August 2, 2025). "Quick 800m Semi-Finals At Toyota USATF Championships - RRW" . Runnerspace . Retrieved August 2, 2025 .
^ Johnson, Weldon (August 4, 2025). "Roisin Willis arrives, Houlihan returns, a brutal weekend for front-runners – Sunday at USATF Championships" . Lets Run . Retrieved August 4, 2025 .
Qualification Women's track and road athletes
Melissa Jefferson-Wooden Women's 100m
Kayla White Women's 100m
Aleia Hobbs Women's 100m
Melissa Jefferson-Wooden Women's 200m
Anavia Battle Women's 200m
Gabrielle Thomas Women's 200m
Sydney McLaughlin-Levrone Women's 400m
Isabella Whittaker Women's 400m
Aaliyah Butler Women's 400m
Roisin Willis Women's 800m
Maggi Congdon Women's 800m
Sage Hurta-Klecker Women's 800m
Nikki Hiltz Women's 1,500m
Sinclaire Johnson Women's 1,500m
Emily Mackay Women's 1,500m
Lexy Halladay-Lowry Women's 3,000m Steeplechase
Angelina Napoleon Women's 3,000m Steeplechase
Kaylee Mitchell Women's 3,000m Steeplechase
Shelby Houlihan Women's 5,000m
Elise Cranny Women's 5,000m
Josette Andrews Women's 5,000m
Emily Infeld Women's 10,000m
Elise Cranny Women's 10,000m
TBD- Taylor Roe /Weini Kelati Women's 10,000m
Lauren Harris Women's 20km Race Walk
Katie Burnett Women's 35km Race Walk
Miranda Melville Women's 35km Race Walk
Maria Michta-Coffey Women's 35km Race Walk
Jessica McClain Women's Marathon
Susanna Sullivan Women's Marathon
Erika Kemp Women's Marathon
Masai Russell Women's 100m Hurdles
Grace Stark Women's 100m Hurdles
Alaysha Johnson Women's 100m Hurdles
Dalilah Muhammad Women's 400m Hurdles
Anna Cockrell Women's 400m Hurdles
Jasmine Jones Women's 400m Hurdles
Twanisha Terry Women's 4x100m Relay pool
Tamari Davis Women's 4x100m Relay pool
Jacious Sears Women's 4x100m Relay pool
Lynna Irby Jackson Women's 4x400m Relay pool
Alexis Holmes Women's 4x400m Relay pool
Britton Wilson Women's 4x400m Relay pool
Quanera Hayes Mixed 4x400m Relay pool
Rosey Effiong Mixed 4x400m Relay pool
Women's field athletes Men's track and road athletes
Kenny Bednarek Men's 100m
Courtney Lindsey Men's 100m
T'Mars McCallum Men's 100m
Noah Lyles Men's 100m
Noah Lyles Men's 200m
Kenny Bednarek Men's 200m
Robert Gregory Men's 200m
Courtney Lindsey Men's 200m
Jacory Patterson Men's 400m
Chris Bailey Men's 400m
Khaleb McRae Men's 400m
Donavan Brazier Men's 800m
Cooper Lutkenhaus Men's 800m
Bryce Hoppel Men's 800m
Jonah Koech Men's 1,500m
Ethan Strand Men's 1,500m
Cole Hocker Men's 1,500m
Kenneth Rooks Men's 3,000m Steeplechase
Daniel Michalski Men's 3,000m Steeplechase
TBD Men's 3,000m Steeplechase
Cole Hocker Men's 5,000m
Grant Fisher Men's 5,000m
Nico Young Men's 5,000m
Nico Young Men's 10,000m
Grant Fisher Men's 10,000m
Graham Blanks Men's 10,000m
Clayton Young Men's Marathon
CJ Albertson Men's Marathon
Reed Fischer Men's Marathon
Ja'Kobe Tharp Men's 110m Hurdles
Cordell Tinch Men's 110m Hurdles
Dylan Beard Men's 110m Hurdles
Grant Holloway Men's 110m Hurdles
Rai Benjamin Men's 400m Hurdles
Caleb Dean Men's 400m Hurdles
Chris Robinson Men's 400m Hurdles
Trayvon Bromell Men's 4x100m Relay pool
Christian Coleman Men's 4x100m Relay pool
Vernon Norwood Men's 4x400m Relay pool
Jenoah McKiver Men's 4x400m Relay pool
Bryce Deadmon Men's 4x400m Relay pool
Demarius Smith Mixed 4x400m Relay pool
Men's field athletes Coaches and staff
Caryl Smith-Gilbert Women’s Head Coach - Sprints/Hurdles
Kibwe Johnson Men’s Head Coach - Throws
Jillian Camarena-Williams Women’s Assistant Coach - Throws
Kevin Reid Men’s Assistant Coach - Multis/Jumps
Connie Teaberry Women’s Assistant Coach - Multis/Jumps
Rahn Sheffield Men’s Assistant Coach - Sprints/Hurdles
Megan Watson Women’s Assistant Coach - Distance
Chris Lundstrom Men’s Assistant Coach - Distance
Jess Riden Women’s Head Manager
Blake Boldon Men’s Head Manager
Darryl Woodson Head Relay Coach
David Watkins Event Manager
Clif McKenzie Event Manager
Christie-Lee Coad Head ATC
Brittany Garcia ATC
Makini Cruickshank ATC
Harris Patel PT/ATC
Chris Yee LMT
Karen Standley LMT
Asdrubal Lopez DC
Erika Davis DC
Todd Arnold MD
Chris Jordan MD
Breigh Jones-Coplin Sport Psychologist
1986 : United States (Harris , Princhett , Downing , Vickers )
1988 : East Germany (Derr , Fabert , Wöhlk , Breuer , Axmann *, Steinecke *)
1990 : Australia (Scamps , Poetschka , Hanigan , Andrews )
1992 : Romania (Petrea , Florea , Tîrlea , Nedelcu )
1994 : United States (Scott , Hennagan , Brown , McMullen , Harrison *)
1996 : Germany (Müller , Gesell , Harstick , Urbansky , Marx *, Vollrath *)
1998 : Jamaica (Hall , Gayle , Downer , Beckford , Williams *, Simpson *)
2000 : Great Britain (Wall , Meadows , Thieme , Miller , Brookes *)
2002 : United States (Hardeman , Henderson , Ross , Demus , Richards *)
2004 : United States (Anderson , Kidd , Smith , Hastings , Leach *, Lawrence *)
2006 : United States (Beard , Cross , Williams , Leach , Young *, Humphrey *)
2008 : United States (Whittaker , Beard , Alexander , Jameson , Byrd *)
2010 : United States (Dixon , Smith , Roesler , George , Eley-O'Reilly *, Nelson *)
2012 : United States (Rucker , Ekpone , Baisden , Spencer , Reynolds *, Porter *)
2014 : United States (Little , Baker , Wimbley , Baisden , Majors *, Barnes *)
2016 : United States (Irby , Cockrell , Winters , Watson , Waller *, Richardson *)
2018 : United States (Mason , Anderson , Madubuike , Manson , Ford *, Minor *)
2021 : Nigeria (Oke , Uko , Onojuvwevwo , Ofili )
2022 : United States (Kelley , Jackson , Garrett , Willis , Whyte *, Akins *, Wade *)
2024 : United States (Mouton , Harris , Donelson , Akins , Doht-Barron *, Kneeshaw *)
1927–1979Amateur Athletic Union 1980–1992The Athletics Congress 1993–presentUSA Track & Field Notes
OT : 1928, and since 1992, championships incorporated the Olympic Trials in Olympic years, otherwise held as a discrete event.
2020 OT : The 2020 Olympic Trials were delayed and held in 2021 due to the COVID-19 pandemic .
Distance :The event was over 880 yards in 1958, 1961–3, 1965–6, 1969–70 and 1973–4