Swimmer profile

Kaylee Mathiesen

Female17-18Sierra Marlins Swim TeamSN · WESTERN

Performance Recruiting Progression Goals Time Standards Meets

AAAA standard — elite national performance!

17 all-time personal bests this season!

Top 1 in SN — 50 Breast SCY

Standards achieved

AAAA×3AAA×8AA×4A×1BB×1

All-time PBs

17events

Best SN rank

#150 Breast SCY

Events ranked

17SCY

Age group

17-18

🏅 Major Cuts Achieved

9 events · top tier Futures

100 Breast SCY

1:03.64PB

Cut: 1:05.49−1.85s margin

200 Breast SCY

2:20.13PB

Cut: 2:22.69−2.56s margin

50 Free SCY

24.65PB

Cut: 24.89−0.24s margin

100 Free SCY

52.58PB

Cut: 53.99−1.41s margin

200 Free SCY

1:54.81PB

Cut: 1:56.29−1.48s margin

50 Breast SCY

29.95PB

Cut: 30.99−1.04s margin

50 Fly SCY

26.13PB

Cut: 27.09−0.96s margin

100 Fly SCY

56.94PB

Cut: 59.19−2.25s margin

200 IM SCY

2:06.42PB

Cut: 2:10.49−4.07s margin

Event

50 Free SCY

Standard	Cut	Gap
B✓	31.39	−6.74
BB✓	29.09	−4.44
A✓	26.89	−2.24
AA✓	25.79	−1.14
AAA✓	24.69	−0.04
AAAA	23.49	+1.16

PBSectionalsAAA

24.65

2026 SN Senior Short Course Championships

Jan 31, 2026

🎓 Class of 2026#6of 65 · SN#568 USA*

LSC

of 80

100 Free SCY

Standard	Cut	Gap
B✓	1:08.09	−15.51
BB✓	1:03.19	−10.61
A✓	58.39	−5.81
AA✓	55.89	−3.31
AAA✓	53.49	−0.91
AAAA	51.09	+1.49

PBSectionalsAAA

52.58

2026 SN CA/NV Speedo Sectionals (ROSV)

Mar 1, 2026

🎓 Class of 2026#4of 67 · SN#356 USA*

LSC

of 77

200 Free SCY

Standard	Cut	Gap
B✓	2:27.19	−32.38
BB✓	2:16.69	−21.88
A✓	2:06.19	−11.38
AA✓	2:00.89	−6.08
AAA✓	1:55.69	−0.88
AAAA	1:50.39	+4.42

PBSectionalsAAA

1:54.81

2026 SN Senior Short Course Championships

Jan 31, 2026

🎓 Class of 2026#7of 63 · SN#433 USA*

LSC

of 66

500 Free SCY

Standard	Cut	Gap
B✓	6:36.49	−65.88
BB✓	6:08.19	−37.58
A✓	5:39.89	−9.28
AA	5:25.69	+4.92
AAA	5:11.59	+19.02
AAAA	4:57.39	+33.22

PBAAA

5:30.61

2021 SN Bill Rose Cl Finals

Jul 18, 2021

🎓 Class of 2026#17of 55 · SN#1,220 USA*

LSC

of 67

1000 Free SCY

Standard	Cut	Gap
B✓	13:46.09	−148.26
BB✓	12:47.09	−89.26
A✓	11:48.09	−30.26
AA✓	11:18.59	−0.76
AAA	10:49.09	+28.74
AAAA	10:19.59	+58.24

PBAA

11:17.83

2024 SN Senior Winter Championships

Feb 2, 2024

🎓 Class of 2026#11of 30 · SN#649 USA*

LSC

of 22

1650 Free SCY

Standard	Cut	Gap
B✓	22:47.19	−198.72
BB✓	21:09.59	−101.12
A✓	19:31.89	−3.42
AA	18:43.09	+45.38
AAA	17:54.29	+94.18
AAAA	17:05.39	+143.08

PBAA

19:28.47

2021 SN Peter Fitch Meet

Oct 29, 2021

🎓 Class of 2026#10of 17 · SN#775 USA*

LSC

of 22

50 Back SCY

Standard	Cut	Gap
B✓	34.59	−4.63
BB✓	32.19	−2.23
A	29.69	+0.27
AA	28.39	+1.57
AAA	27.19	+2.77
AAAA	25.99	+3.97

PBBB

29.96

2025 2025 Turkey Classic

Nov 21, 2025

🎓 Class of 2026#16of 63 · SN#1,036 USA*

LSC

of 51

100 Back SCY

Standard	Cut	Gap
B✓	1:13.39	−9.77
BB✓	1:08.09	−4.47
A	1:02.89	+0.73
AA	1:00.29	+3.33
AAA	57.69	+5.93
AAAA	54.99	+8.63

PBAAA

1:03.62

2021 SN JOs or Bust Last Chance Qualifying Meet

Jun 25, 2021

🎓 Class of 2026#19of 63 · SN#1,270 USA*

LSC

of 96

200 Back SCY

Standard	Cut	Gap
B✓	2:38.79	−17.87
BB✓	2:27.39	−6.47
A	2:16.09	+4.83
AA	2:10.39	+10.53
AAA	2:04.79	+16.13
AAAA	1:59.09	+21.83

PBA

2:20.92

SN Sac Regional Open

Oct 23, 2022

🎓 Class of 2026#21of 48 · SN#1,342 USA*

LSC

of 97

50 Breast SCY

Standard	Cut	Gap
B✓	40.39	−10.44
BB✓	37.49	−7.54
A✓	34.59	−4.64
AA✓	33.19	−3.24
AAA✓	31.69	−1.74
AAAA✓	30.29	−0.34

PBSectionalsAAAA

29.95

2026 SN CA/NV Speedo Sectionals (ROSV)

Feb 28, 2026

🎓 Class of 2026#1of 57 · SN#68 USA*

LSC

of 30

100 Breast SCY

Standard	Cut	Gap
B✓	1:24.79	−21.15
BB✓	1:18.79	−15.15
A✓	1:12.69	−9.05
AA✓	1:09.69	−6.05
AAA✓	1:06.69	−3.05
AAAA	1:03.59	+0.05

PBFuturesAAAA

1:03.64

2025 SI CA/NV Speedo Sectionals

Feb 28, 2025

🎓 Class of 2026#1of 64 · SN#83 USA*

LSC

of 151

200 Breast SCY

Standard	Cut	Gap
B✓	3:04.69	−44.56
BB✓	2:51.49	−31.36
A✓	2:38.29	−18.16
AA✓	2:31.69	−11.56
AAA✓	2:25.09	−4.96
AAAA	2:18.49	+1.64

PBFuturesAAA

2:20.13

2026 SN CA/NV Speedo Sectionals (ROSV)

Feb 28, 2026

🎓 Class of 2026#2of 46 · SN#101 USA*

LSC

of 25

50 Fly SCY

Standard	Cut	Gap
B✓	34.49	−8.36
BB✓	31.99	−5.86
A✓	29.59	−3.46
AA✓	28.29	−2.16
AAA✓	27.09	−0.96
AAAA	25.89	+0.24

PBSectionalsAAA

26.13

2026 SN Senior Short Course Championships

Feb 1, 2026

🎓 Class of 2026#1of 57 · SN#187 USA*

LSC

of 52

100 Fly SCY

Standard	Cut	Gap
B✓	1:13.59	−16.65
BB✓	1:08.29	−11.35
A✓	1:03.09	−6.15
AA✓	1:00.39	−3.45
AAA✓	57.79	−0.85
AAAA	55.19	+1.75

PBSectionalsAAAA

56.94

2023 SN CIF SJS Sections

May 3, 2023

🎓 Class of 2026#6of 49 · SN#269 USA*

LSC

of 135

200 Fly SCY

Standard	Cut	Gap
B✓	2:42.79	−16.68
BB✓	2:31.19	−5.08
A	2:19.49	+6.62
AA	2:13.69	+12.42
AAA	2:07.89	+18.22
AAAA	2:02.09	+24.02

PBAA

2:26.11

WAC/DART May Pentathalon

May 15, 2021

🎓 Class of 2026#16of 35 · SN#1,067 USA*

LSC

of 20

200 IM SCY

Standard	Cut	Gap
B✓	2:43.59	−37.17
BB✓	2:31.89	−25.47
A✓	2:20.19	−13.77
AA✓	2:14.39	−7.97
AAA✓	2:08.49	−2.07
AAAA	2:02.69	+3.73

PBSectionalsAAA

2:06.42

2025 SN Folsom Classic

Nov 8, 2025

🎓 Class of 2026#5of 58 · SN#213 USA*

LSC

of 56

400 IM SCY

Standard	Cut	Gap
B✓	5:50.69	−61.56
BB✓	5:25.59	−36.46
A✓	5:00.59	−11.46
AA	4:47.99	+1.14
AAA	4:35.49	+13.64
AAAA	4:22.99	+26.14

PBAA

4:49.13

2023 PC PLS Short Course Senior 2 T/F

Nov 3, 2023

🎓 Class of 2026#11of 37 · SN#724 USA*

LSC

of 50