Career Honors
• 2021-22 All-Mountain West Conference
• 2024-25 College Sports Communicators Academic All-District
• 2023-24 College Sports Communicators Academic All-District
• 2022-23 College Sports Communicators Academic All-District
• 2020-21 Mountain West Conference Scholar-Athlete
• 2024-25 First-Year SEC Academic Honor Roll
• 2020-21 Academic All-Mountain West Conference
Career-Best Times (collegiate)
50 Free: 23.24 at Mountain West Conference Championships, 2.16.23
100 Free: 49.84 at Gamecock Invitational, 11.22.24
200 Free: 1:48.76 at CSCAA National Invitational Championship, 3.11.22
500 Free: 5:06.64 at Mizzou Invite, 11.17.21
100 Breast: 1:08.15 at Illinois/Indiana State, 10.25.24
200 IM: 2:02.07 at Gamecock Invitational, 11.20.24
Commodore Record Watch
• Has the top mark in Vandy history in the 100 free and stands second in the 200 free
• Is also third on the Dores’ all-time performer list in the 200 IM, ranking sixth in the 50 free as well
• Member of four relay teams—200, 400 and 800 free, and 400 medley—that stand second on the all-time list
As a Graduate Student (2024-25)
• Achieved the CSCAA National Invitational Championship B standard in the 50, 100 and 200 free along with the 100 and 200 IM
• Posted the best time on the team’s season performer list in the 100 and 200 free, while also ranking second in the 200 IM as well as third in the 50 free
• Swam legs on the 200, 400 and 800 free and 400 medley relays that recorded the program’s top marks of the season
• Finished among the top 45 in the 200 free with a season-best 1:48.78 mark at the SEC Championships (Feb. 18-22), also competing in the 100 free (50.47), 200 IM (2:02.72) and four relays
• Set a new school standard in prelims of the 100 free to advance to the A Final in the event at the Gamecock Invitational (Nov. 20-22)
• Also qualified for the B Final of the 50 (23.36) and 200 (1:49.95) free and 200 IM at that meet, with a career-best mark in the latter discipline
• Recorded season-best marks at the time in the 50 (23.74), 100 (50.86) and 200 (1:50.31) free in tri-meet against South Carolina and 13th-ranked Georgia
• Touched the wall first in the 50 free (24.15) super final—also competing in the 100 free (52.07) super final, 200 free (1:55.96) and 100 breast—at Illinois’ House of ’Paign Invite (Oct. 25-26)
• Won the 100 free (51.46) and 100 IM while also swimming the 200 free (1:56.62) and the anchor leg for the winning 200 medley relay team in dual meet with Arkansas (Jan. 17)
• Finished first in the 100 free (50.01) and was runner-up in the 200 free (1:49.16) at Senior Day home meet with Southern Illinois (Feb. 1)
• Led the Commodores in the 100 free (51.65) and 200 IM in her Vandy debut at Tulane (Sept. 27), also swimming the lead leg for the team’s top 200 free relay unit
• Among the top five in the 100 (52.58) and 200 (1:56.16) free in home match-up against Kentucky (Jan. 3)
As a Senior at San Jose State (2023-24)
• Met the CSCAA NIC B standard in the 50, 100 and 200 free
• Posted a top-25 result in the 200 free (1:50.15) while also swimming the 50 (23.59) and 100 (51.05) free at the National Invitational Championship (March 14-16)
• Finished second in the B Final of the 200 free (1:49.09) at the Mountain West Conference Championships (Feb. 21-24), also qualifying for the B Final in the 50 (23.26) and 100 (50.18) free
• Advanced to the B Final in the 100 (50.98) and 200 free (1:50.96) at the Mizzou Invitational (Nov. 15-17), also reaching the C Final of the 50 free (23.60)
• Won both the 100 (50.76) and 200 (1:50.38) to help the Spartans to a two-point win over Fresno State (Feb. 3) in the final meet of the regular season
As a Junior at San Jose State (2022-23)
• Recorded times that met the NIC B standard in the 50, 100 and 200 free
• Competed in the 50 (23.83), 100 (51.39) and 200 (1:52.61) free at the National Invitational Championship (March 9-11), also swimming the 100 IM as well as legs on the 400 and 800 free and 400 medley relays
• Reached the B Finals of the 50 (23.24), 100 (50.62) and 200 (1:50.03) free at the Mountain West Conference Championships (Feb. 15-18)
• Claimed the B Final in the 100 (50.59) and 200 (1:49.04) free, adding second-place finish in the B Final of the 50 free (23.36) at the Mizzou Invitational (Nov. 16-18)
• Finished first in the 100 fly, and was second in the 50 free (23.89) and 100 back as well, in defeat of Pepperdine (Oct. 21)
• Won the 200 free (1:51.69) while also placing in the top five in the 50 free (24.45) at the Roadrunner Invitational (Oct. 15)
• Touched the wall first in the 100 free (51.72) and was second in the 200 free in win over Cal State East Bay (Jan. 13)
• Was runner-up in the 100 free (51.25) and fourth in the 200 free (1:51.13) in match-up with second-ranked Stanford (Nov. 4)
• Placed second and fifth, respectively, in the 100 and 200 against No. 11 California (Jan. 2)
• Posted a top-10 finish in the 100 free (51.89) in her season debut at the Chick-fil-A Invitational (Oct. 7-8)
As a Sophomore at San Jose State (2021-22)
• Achieved the CSCAA NIC B standard in the 50, 100 and 200 free
• Qualified for the A Finals of the 100 (50.32) and 200 free, with a season-low mark in the latter race, at the National Invitational Championship (March 10-12)
• Moved on to the A Final in both the 100 and 200 (1:48.83) free at the Mountain West Conference Championships (Feb. 16-19), posting a season-best time in the first event
• Touched the wall first in the 50 (23.60), 100 (51.30) and 200 (1:50.04) free in final regular-season meet against Fresno State (Jan. 29)
• Claimed the 100 and 200 free both at the Pacific Invitational (Oct. 23) and at Pacific (Oct. 30)
• Runner-up in the 200 free (1:53.40) while competing in the 100 (53.11) and 50 (24.89) free—finishing third and fourth, respectively, in the latter races—at the Roadrunner Invitational (Oct. 16)
• Was top 20 in both the 100 (52.53) and 200 (1:54.47) free at the Chick-fil-A Invitational (Oct. 8-9)
• Finished second in the 100 free (52.85) against Stanford (Oct. 1)
As a Freshman at San Jose State (2020-21)
• Competed in the 100 (51.71) and 200 (1:51.65) free while also swimming a leg on the 200 free relay at the Mountain West Conference Championships (Feb. 17-20)
• Placed third in the 500 free while making her collegiate debut against Fresno State (Jan. 29)
The Mathieson File
• Is working toward a master’s degree in medicine, health & society
• As a prep, swam for both Rock Canyon High School and the Denver Swim Academy
• Has been honored on the school’s Athletic Wall of Fame
• Earned all-state and all-conference honors all four years of high school
• Chosen Rock Canyon’s swimmer of the year in 2018
• Set a school record in the 200 free and was member of 400 free relay that recorded program standard
• Qualified for the A Final of the 200 free at the CHSAA 5A state championships each of her last two seasons at the prep level
• Served as a team captain for the Jaguars her junior and senior years
• Lettered in tennis at RCHS as well
• A member of the CHSAA Academic All-State team each of her last three years
• Daughter of Kristi and John Mathieson
• Has three sisters, Hailey, Paige and Makenna
• Older sister, Makenna, also swam at San Jose State
• Grandfather, Jim Fassel, was head coach of the New York Giants (1997-2003) and uncle, John Fassel, is the currently special Teams coordinator for the Dallas Cowboys
• Likes playing tennis, photography, hiking and snowboarding in her spare time
Why Vanderbilt: “I chose Vanderbilt because of the great master’s program, competitive swimming, amazing coaches, and supportive team. I want to have the best last year of swimming and school and Vandy is the best place for it all!”