Swimmer profile

Mayumi So

Female10 & UnderRockford Marlins Swim ClubIL · CENTRAL

Performance Progression Goals Time Standards Meets

Standards achieved

tap to filter events

Age group

10 & Under

Course

★ Highlight Events

100 Breast LCM

Standard	Cut	Gap
B✓	2:19.39	−38.70
BB✓	2:03.89	−23.20
A✓	1:48.39	−7.70
AA✓	1:43.29	−2.60
AAA	1:38.09	+2.60
AAAA	1:32.99	+7.70

PBAA

1:40.69

2026 IL CWAC Summer Sizzle

Jul 11, 2026

LSC

of 151

100 Fly LCM

Standard	Cut	Gap
B✓	2:12.79	−37.49
BB✓	1:55.39	−20.09
A✓	1:37.99	−2.69
AA	1:32.19	+3.11
AAA	1:26.39	+8.91
AAAA	1:20.59	+14.71

PBA

1:35.30

2026 IL HSC 57th Annual Mid Summer Classic

Jun 14, 2026

LSC

of 134

50 Breast LCM

Standard	Cut	Gap
B✓	1:02.19	−14.15
BB✓	55.49	−7.45
A✓	48.79	−0.75
AA	46.49	+1.55
AAA	44.29	+3.75
AAAA	42.09	+5.95

PBA

48.04

2026 IL CWAC Summer Sizzle

Jul 10, 2026

LSC

of 185

Event

50 Free LCM

Standard	Cut	Gap
B✓	45.29	−7.53
BB✓	40.89	−3.13
A	36.59	+1.17
AA	35.09	+2.67
AAA	33.69	+4.07
AAAA	32.19	+5.57

PBBB

37.76

2026 IL CWAC Summer Sizzle

Jul 11, 2026

LSC

121

of 196

100 Free LCM

Standard	Cut	Gap
B✓	1:44.09	−19.62
BB✓	1:32.99	−8.52
A	1:21.89	+2.58
AA	1:18.19	+6.28
AAA	1:14.49	+9.98
AAAA	1:10.79	+13.68

PBBB

1:24.47

2026 IL CWAC Summer Sizzle

Jul 10, 2026

LSC

100

of 182

200 Free LCM

Standard	Cut	Gap
B✓	3:50.99	−45.61
BB✓	3:25.69	−20.31
A	3:00.39	+4.99
AA	2:51.99	+13.39
AAA	2:43.49	+21.89
AAAA	2:35.09	+30.29

PBBB

3:05.38

2026 WI SWAT MAYHEM

May 17, 2026

LSC

of 141

400 Free LCM

Standard	Cut	Gap
B✓	7:48.59	−79.94
BB✓	7:01.69	−33.04
A	6:14.89	+13.76
AA	5:59.29	+29.36
AAA	5:43.69	+44.96
AAAA	5:27.99	+60.66

PBBB

6:28.65

2026 WI RMSC-IL LISA COOLE MEMORIAL CLASSIC

Jun 6, 2026

LSC

of 89

50 Back LCM

Standard	Cut	Gap
B✓	55.79	−12.74
BB✓	49.69	−6.64
A✓	43.59	−0.54
AA	41.59	+1.46
AAA	39.49	+3.56
AAAA	37.49	+5.56

PBA

43.05

2026 IL CWAC Summer Sizzle

Jul 11, 2026

LSC

of 193

100 Back LCM

Standard	Cut	Gap
B✓	2:01.59	−28.02
BB✓	1:48.09	−14.52
A✓	1:34.59	−1.02
AA	1:30.09	+3.48
AAA	1:25.59	+7.98
AAAA	1:21.09	+12.48

PBA

1:33.57

2026 IL CWAC Summer Sizzle

Jul 10, 2026

LSC

of 173

50 Breast LCM

Standard	Cut	Gap
B✓	1:02.19	−14.15
BB✓	55.49	−7.45
A✓	48.79	−0.75
AA	46.49	+1.55
AAA	44.29	+3.75
AAAA	42.09	+5.95

PBA

48.04

2026 IL CWAC Summer Sizzle

Jul 10, 2026

LSC

of 185

100 Breast LCM

Standard	Cut	Gap
B✓	2:19.39	−38.70
BB✓	2:03.89	−23.20
A✓	1:48.39	−7.70
AA✓	1:43.29	−2.60
AAA	1:38.09	+2.60
AAAA	1:32.99	+7.70

PBAA

1:40.69

2026 IL CWAC Summer Sizzle

Jul 11, 2026

LSC

of 151

50 Fly LCM

Standard	Cut	Gap
B✓	54.49	−13.97
BB✓	48.09	−7.57
A✓	41.59	−1.07
AA	39.49	+1.03
AAA	37.29	+3.23
AAAA	35.19	+5.33

PBA

40.52

2026 IL HSC 57th Annual Mid Summer Classic

Jun 13, 2026

LSC

of 185

100 Fly LCM

Standard	Cut	Gap
B✓	2:12.79	−37.49
BB✓	1:55.39	−20.09
A✓	1:37.99	−2.69
AA	1:32.19	+3.11
AAA	1:26.39	+8.91
AAAA	1:20.59	+14.71

PBA

1:35.30

2026 IL HSC 57th Annual Mid Summer Classic

Jun 14, 2026

LSC

of 134

200 IM LCM

Standard	Cut	Gap
B✓	4:15.69	−53.80
BB✓	3:48.89	−27.00
A✓	3:22.09	−0.20
AA	3:13.09	+8.80
AAA	3:04.19	+17.70
AAAA	2:55.29	+26.60

PBA

3:21.89

2026 IL HSC 57th Annual Mid Summer Classic

Jun 12, 2026

LSC

of 129