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Claremont-Mudd-Scripps Colleges

2025-26 Women's Swimming and Diving Roster

David Beach
David Beach
David Beach
© 2021 Joshua Brown

Mackenzie Mayfield

  • Year Senior
  • Hometown Seattle, WA
  • High School Lakeside
  • Events Fly, Breast, IM
  • College Claremont McKenna

Biography



SwimCloud Results

At CMS

Entering her senior season as a member of the CMS swimming and diving team, where she competes in several events, including the breaststroke and the individual medley ... CMS record holder in the 200 fly (2:01.30) ... Top five in CMS history in five different events ... Ranks second in CMS history in the 200 IM (2:02.63) and third in the 400 IM (4:26.93) ... Places fourth in the 100 breast (1:03.91) and fifth in the 100 fly (55.01) ... Also ninth in the 200 breast (2:21.77) ... Part of a CMS record in the 200-yard medley relay (1:42.21) as well as the No. 2 team in the 400-medley relay ... No. 3 team in the 200-yard freestyle relay, and the No. 4 team in the 400-yard freestyle relay.

2024-25 (Junior)
First-Team All-America (200 fly, 200 IM) ... Second-Team All-America (100 fly, 200 medley relay, 400 medley relay) ... SCIAC Champion (200 fly, 200 IM, 200 medley relay) ... All-SCIAC (100 fly, 400 medley relay, 200 free relay, 400 free relay) ... SCIAC Swimmer of the Week (Jan. 8) ... CSCAA Scholar All-America ... 
Reached the All-America podium in two events at nationals, placing seventh in the 200 fly and eighth in the 200 IM ... Had a personal best of 2:02.63 in the 200 IM at nationals, which places second in CMS history ... Set a CMS record in the 200 fly at the SCIAC Championships with a 2:01.30 to win the title ... Also won the 200 IM at SCIACs with a 2:03.57 ... Part of a CMS record in the 200 medley relay at SCIACs, winning in 1:42.21.  Won the 400 IM at the CMS Invitational with a 4:26.93, which places No. 3 in program history ...  Won the 200 fly and the 200 IM in a dual with Redlands ... Took first in the 300 IM in a distance meet against Division I California Baptist ... Won the 200 free and the 200 breast against Occidental, as well as contributing to two relay wins, earning SCIAC Swimmer of the Week honors ... Took first in the 200 IM against Caltech ... Won the 100 breast in a double dual with Whittier and Chapman ... Was second in the 100 fly and the 200 IM in a dual with Division I UC San Diego to start the season. 

2023-24 (Sophomore)
Second-Team All-America (200 free relay, 400 free relay, 200 medley relay, 400 medley relay) ... SCIAC Champion (200 IM), All-SCIAC (100 breast, 200 breast, 200 free relay, 400 free relay, 200 medley relay, 400 medley relay), CSCAA Scholar All-America ... SCIAC All-Academic Team ... Two-Time SCIAC Swimmer of the Week ... SCIAC All-Academic Team ... Part of four relays that earned Second-Team All-America honors at the NCAA Championships, including 14th in the 200 free relay, 14th in the 400 medley relay, 14th in the 400 free relay and 15th in the 200 medley relay ... Was 23rd at nationals in the 100 fly (55.93) and 26th in the 200 IM (2:06.10) ... Won the SCIAC title in the 200 IM in 2:04.18, a personal best that moved her into fourth place all time at CMS ... Came in second place in the 100 breast at SCIACs with a 1:03.93 ... Was third in the 200 breast in 2:23.29 to earn All-SCIAC honors ... Swam the breaststroke leg of a 200-yard medley relay team that set a CMS record in 1:42.91 to come in second at SCIACs ... Finished first in 13 races during the regular season ... Won all three races in a dual with Pomona-Pitzer, taking first in the 100 breast, 200 breast and 200 IM ... Won the 100 breast at the UC Santa Barbara Invitational to take SCIAC Swimmer of the Week Honors, wile also adding a 55.77 in the 100 fly to move into seventh in CMS history ... Took first in the 200 IM and the 200 breast in a dual with Redlands ... Won the 100 breast in a tri-meet with Cal Lutheran and La Verne ... Took first in the 50 free and the 100 fly in a dual with Occidental, earning SCIAC Swimmer of the Week accolades... Won the 200 breast in a dual with Caltech ... Won the 50 free and the 100 fly in a tri-meet with Whittier and Chapman ... Earned first in the 200 IM in a tri-meet with Division I teams UC San Diego and CSU Bakersfield.  

2022-23 (First-Year)
All-SCIAC (100 breast, 200 free relay, 400 free relay, 200 medley relay, 400 medley relay) ...
CSCAA Scholar All-America ... SCIAC All-Academic Team ... SCIAC Swimmer of the Week ... Came in second place in the 100-yard breaststroke at the SCIAC Championships with a 1:03.91, earning all-league honors ... Finished fourth in the 200 IM at SCIACs with a 2:05.59 and fifth in the 200-yard breaststroke with a 2:22.43 ... Contributed to four second-place finishes in relays ... Earned SCIAC Swimmer of the Week honors during the regular season. 

Prior to CMS
Attended Lakeside School in Seattle, where she was a member of the swimming team ... Also competed with the Bellevue Club Swim Team.

Personal
Attends Claremont McKenna.

Historical Player Information

  • 2022-23Freshman

    Fly, Breast, IM
  • 2023-24Sophomore

    Fly, Breast, IM
  • 2024-25Junior

    Fly, Breast, IM
  • 2025-26Senior

    Fly, Breast, IM