Sean Diffenderfer

MLEMISEMICHOLYSACUN!

26 plausible swims · 6 meets · 2019-08-01 → 2026-06-13

Personal records

Event	Course	Best	Date	Meet
50 Freestyle	SCY	22.05	2026-02-08	2026 Michigan Open venue
200 Freestyle	SCY	1:41.08	2025-02-09	2025 Michigan Open venue
500 Freestyle	SCY	4:30.70	2026-02-07	2026 Michigan Open venue
1650 Freestyle	SCY	15:38.72	2026-02-06	2026 Michigan Open venue
200 Freestyle	LCM	2:04.04	2021-07-16	2021 Speedo Sectional Meet venue
400 Freestyle	LCM	4:17.96	2021-07-17	2021 Speedo Sectional Meet venue
800 Freestyle	LCM	8:59.73	2019-08-01	2019 WI Central Zone 14 & U Championship slow pool
1500 Freestyle	LCM	17:11.47	2021-07-15	2021 Speedo Sectional Meet venue

Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.

PR splits

200 Freestyle SCY 1:41.08

23.44

25.70

26.16

25.78

Front half 49.14s · back half 51.94s

500 Freestyle SCY 4:30.70

24.17

26.75

27.36

27.73

27.44

27.38

27.66

27.86

27.96

26.39

Front half 133.45s · back half 137.25s

1650 Freestyle SCY 15:38.72

25.18

27.15

27.90

28.17

28.55

28.30

28.65

28.26

28.15

28.62

28.54

28.66

29.05

28.93

28.91

28.74

28.79

28.85

28.80

29.15

28.87

28.71

28.84

28.73

28.87

28.81

28.93

28.76

28.88

28.79

25.90

200 Freestyle LCM 2:04.04

28.13

31.36

33.70

30.85

Front half 59.49s · back half 64.55s

400 Freestyle LCM 4:17.96

29.60

32.06

33.19

32.82

33.14

33.13

33.05

30.97

Front half 127.67s · back half 130.29s

800 Freestyle LCM 8:59.73

29.12

32.03

33.68

33.77

33.60

34.23

33.96

34.66

33.77

35.04

34.36

35.13

34.91

34.21

34.56

32.70

Front half 265.05s · back half 274.68s

1500 Freestyle LCM 17:11.47

29.84

32.62

32.92

33.94

27.49

39.65

33.48

33.96

33.85

34.21

33.99

34.72

34.55

35.27

34.15

35.15

35.29

34.11

35.02

35.53

35.75

35.63

35.39

35.06

35.22

34.96

34.73

35.31

35.11

34.57

Front half 504.64s · back half 526.83s

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 22.05 2 swims

200 Freestyle SCY 1:41.08 4 swims

500 Freestyle SCY 4:30.70 4 swims

1650 Freestyle SCY 15:38.72 2 swims

200 Freestyle LCM 2:04.04 2 swims

400 Freestyle LCM 4:17.96 5 swims

800 Freestyle LCM 8:59.73 4 swims

1500 Freestyle LCM 17:11.47 3 swims