Women’s Swimming & Diving Announces Class of 2029

PRINCETON N.J.- Princeton women's swimming & diving team has announced its incoming class of 2029. Head coach Abby Brethauer's squad finished the 2024-25 season ranked No. 25 nationally and completed the three-peat of the Ivy League Championship.

"We are eagerly looking forward to welcoming the Class of P'29 to campus in just a few weeks," Brethauer said. "While they are undoubtedly exceptional athletes who will make their mark in the pool through points scored and records broken, they are, more importantly, remarkable individuals with diverse talents and passions beyond the sport. We can't wait to see all they'll bring to the Princeton community over the next four years."

The class of 2029 includes Vivian Brennan, Delaney Herr, Chloe Kim, Natalie Mak, Katherine Sanders, Sophie Segerson, Savannah Skow, Sophia Sunwoo, and Sydney Willson who will aim to help the Tigers to a fourth consecutive Ivy League Championship title.

Vivian Brennan
Hometown: Durham, N.C.
High School: Riverside
Events: Diving

Before Princeton: NCHSAA 4A State Champion…Two-time NISCA All-American…Six-time USA Diving Junior Nationals qualifier…three-time Junior Nationals semi-finalist…National Merit Scholar…Presidential Scholars Program Semifinalist…High School Salutatorian

Personal: Daughter of Stephanie and Matthew…Father Matthew swam at Dartmouth…Has two brothers, Mitchell and Jake

Delaney Herr
Hometown: Redondo Beach, Calif.
High School: Mira Costa HS
Events: Back/Fly/Free
Top Times: 100 back (SCY: 52.41, LCM 1:02.68); 100 fly (SCY: 53.39, LCM: 1:00.98); 50 free (SCY: 22.50, LCM 26.44)

Before Princeton: Four-time Mira Costa HS Varsity Swim MVP…Two-time Mira Costa HS team captain…Six-time Mira Costa HS Swim school record holder in the 50 free, 100 back, 100 fly, 200 medley relay and 200 free relay…Three-time CIF-SS Division I event winner…West Speedo Winter Junior Nationals record holder in the 200 medley relay…Two-time West Speedo Winter Junior Nationals event winner in the 200 medley relay and 400 medley relay…Three-time USA Swimming Scholastic All-American…graduated Summa Cum Laude…California Scholarship Federation award recipient

Personal: Daughter of Maria and Roger Herr…Has a brother Evan

Chloe Kim
Hometown: Glen Rock, N.J.
High School: Glen Rock HS
Events: IM/Free/Fly
Top Times: 400 IM (SCY:, LCM: 4:07.11/4:43.45); 1650 Free (SCY: 16:00.21, LCM: 16:28.77); 500 Free (SCY: 4:42.33, LCM: 4:15.02); 200 IM (SCY: 1:59.30, LCM: 2:16.36); 200 Fly (SCY: 1:56.19, LCM: 2:12:69)

Before Princeton: Member of the 2022-23 USA National Junior Team…Represented Team USA at the 2022 Mel Zajac International Meet and the 2025 World Junior Championships…Set and broke over 20 New Jersey Swimming state records…2021 Summer Nationals top eight finished in two events…2022 Summer Junior National Champion in the 400 IM and runner up in the 1500 free…2024 Summer Junior National top eight finish in the 400 IM…2024 US Olympic Trials Qualifier…Podium finish at the 2024 Speedo Summer Championships…2024 Speedo Winter Junior Champion in 500 free and 1650 free…USA Swimming Scholastic All-American

Personal: Daughter of Sunyoung Park and Sangjoon Kim…has a brother Andrew

Natalie Mak
Hometown: Oakland, Calif.
High School: The College Preparatory School
Events: IM/Back
Top Times: 400 IM (SCY: 4:18.20, LCM: 4:59.56); 200 IM (SCY: 2:01.61, LCM: 2:22.28); 200 back (SCY: 1:58.24, LCM: 2:19.61); 100 back (SCY: 54:53, LCM 1:05.15)

Before Princeton: The College Preparatory School Athlete of the Year…Two-time MVP…Four-time state championship finalist…holds six school and five league records…Team captain…Junior National third place relay finisher for club team…USA Swimming National Select Camp participant…Three-time Scholastic All-American

Personal: Daughter of Amy and Timothy…Father Timothy swam at UC Berkeley…Has a brother, Ryan

Katherine Sanders
Hometown: Columbia, MD
High School: Oakland Mills HS
Events: Breast
Top Times: 100 Breast (SCY: 1:10.74; LCM: 1:12.67); 200 breast (SCY: 2:13.23; LCM: 2:36.04)

Before Princeton: Three time Scholastic All-American…Named to the Principal's honor roll

Personal: Daughter of Larissa and Eddie Sanders…Has a brother Tyler

Sophie Segerson
Hometown: Bainbridge Island, Wash.
High School: Bellevue HS
Events: Back/IM/Breast
Top Times: 200 back (SCY: 1:55.47, LCM: 2:19.14); 200 IM (SCY: 1:57.89, LCM 2:17.64); 400 IM (SCY: 4:26.14, LCM: 4:54.64); 100 breast (SCY: 1:02.49, LCM: 1:11.54); 200 breast (SCY: 2:13.91, LCM: 2:31.71)

Before Princeton: Seven time NISCA All-America honors… Won the 2024 WA 3A State Champion in the 200 IM, set a new school record and earned All-American honors…2024 State Champion and stat record holder in the 200 medley relay and 400 free relay…USA Swimming National Select camp participant…Had podium finishes in every state championship appearance…AP Scholar with distinction…National Merit commended scholar

Personal: Daughter of Karen and Nathan Segerson…Mother Karen swam at Washington State…Had two sisters, Sammy and Izzy

Savannah Skow
Hometown: Las Cruces, N.M.
High School: Centennial HS
Events: Free/Fly/IM
Top Times: 100 free (SCY: 49.57, LCM: 57.56); 200 free (SCY: 1:45.80, LCM: 2:02.91); 500/400 free (SCY: 4:44.58, LCM, 4:19.44); 100 fly (SCY: 52.90, LCM: 1:01.68); 200 fly (SCY: 1:58.14, LCM: 2:23.39); 200 IM (SCY: 1:59.35, LCM: 2:21.44); 400 IM (SCY: 1:18.71, LCM: 5:06.27)

Before Princeton: Holds 27 New Mexico Swimming state records…Holds 69 Las Cruces Aquatic Team (LCAT) records…USA Swimming Futures winner in the 400 free…Two-time Winter Junior Nationals finalist…National Championships finalist…USA Swimming Regional Diversity Select Camp participant….USA Swimming National Diversity Select Camp participant…LCAT certified USA Swimming Junior coach…LCAT Board of Directors athlete representative…Senior Athlete Representative for the New Mexico Swimming Board of Directors…Member of the USA Swimming National Athletics Executive Committee Leadership Subcommittee…National Honor Society National Semifinalist Scholarship recipient…Vice President of National Honor Society…P.E.O International STAR Scholarship Recipient…College Board AP Scholar award…CHS senior department award for choir…City of Las Cruces Mayor's Top Teen's Class of 2024-25…CHS Mesa member…Girl Scouts of the Desert Southwest Council Girl Scout of the Year

Personal: Daughter of Jeannette '98 and Brian…Mother Jeanette was part of the Princeton Women's Swimming & Diving team…Has a brother Jeremiah

Sophia Sunwoo
Hometown: Bellevue, Wash.
High School: Newport HS
Events: Free/Back/Fly
Top Times: 50 free (SCY: 22.19, LCM: 25.59); 100 free (SCY: 49.16, LCM: 55:88); 200 free (SCY: 1:47.54, LCM: 2:03.15); 50 back (SCY: 25.08, LCM: 29.29); 100 back (SCY: 54.14, LCM: 1:03.08); 50 fly (SCY: 24.61, LCM: 27.45); 100 fly (SCY: 53.85, LCM: 1:02.71)

Before Princeton: Two-time WA State Champion…PNS Records holder…2024 Olympic Trials Qualifier…Four-time Scholastic All-American…Graduated Magna Cum Laude

Personal: Daughter of Man and Kristina Sunwoo…Has a brother Mason

Sydney Willson
Hometown: Laguna Beach, Calif.
High School: JSerra Catholic HS
Events: Free
Top Times: 200 free (SCY: 1:49.56, LCM: 2:04.62); 500/400 free (SCY: 4:50.27, LCM: 4:20.54); 1000/800 free (SCY: 10:00.66, LCM: 8:50.78); 1650/1000 free (SCY: 16:37.04, LCM: 17:07.08)

Before Princeton: Four-time Trinity League Champion…Three-time JSerra Swimming MVP…All-Trinity League honoree…Scholastic All-American

Personal: Daughter of Janet and William Willson…Mother Janet swam at Stanford…Has a brother Jake

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