Sean Lottermoser

Mage 15HIMTHIISL26SKA

188 plausible swims · 34 meets · 2022-10-15 → 2026-06-27

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.42	AAA+0.73s to AAAA	2025-11-23	HISI Senior Fall Championship (SCY) fast pool
100 Freestyle	SCY	49.19	AAA+1.70s to AAAA	2026-03-12	2026 NW Spring Speedo Sectionals - Boise venue
200 Freestyle	SCY	1:50.13	AA+1.44s to AAA	2025-11-21	HISI Senior Fall Championship (SCY) fast pool
500 Freestyle	SCY	4:55.98	AA+0.29s to AAA	2025-11-22	HISI Senior Fall Championship (SCY) fast pool
1000 Freestyle	SCY	10:20.04	AA+4.25s to AAA	2025-11-23	HISI Senior Fall Championship (SCY) fast pool
1500 Freestyle	SCY	21:41.00		2026-05-25	MAGSA OPEN WATER SWIM MEET #2 venue
1650 Freestyle	SCY	17:08.81	AA+1.32s to AAA	2025-11-23	HISI Senior Fall Championship (SCY) fast pool
50 Backstroke	SCY	25.93	AA+0.24s to AAA	2025-11-22	HISI Senior Fall Championship (SCY) fast pool
100 Backstroke	SCY	57.11	A+0.02s to AA	2026-01-01	2026 section time trials results
200 Backstroke	SCY	2:05.54	A+0.85s to AA	2026-06-27	SKA Last Chance Meet 6.27.26 venue
50 Breaststroke	SCY	31.82	A+1.03s to AA	2026-02-07	SKA Home Meet 2.7.26 venue
100 Breaststroke	SCY	1:06.63	A+2.04s to AA	2026-01-01	2026 section time trials results
200 Breaststroke	SCY	2:24.69	A+3.80s to AA	2025-12-07	Kauai Ho'oilo Winter Meet venue
50 Butterfly	SCY	26.12	AA+0.73s to AAA	2026-02-07	SKA Home Meet 2.7.26 venue
100 Butterfly	SCY	56.76	A+0.37s to AA	2026-06-27	SKA Last Chance Meet 6.27.26 venue
200 Butterfly	SCY	2:11.68	A+5.19s to AA	2025-12-07	Kauai Ho'oilo Winter Meet venue
100 Individual Medley	SCY	59.30		2025-11-15	SKA Home Meet 11.15.25 venue
200 Individual Medley	SCY	2:09.25	A+2.56s to AA	2025-12-06	Kauai Ho'oilo Winter Meet venue
400 Individual Medley	SCY	4:41.90	A+9.51s to AA	2025-10-18	Distance Pentathlon venue
50 Freestyle	LCM	26.30	AA+0.11s to AAA	2026-04-04	HISI Oceania Trials venue
100 Freestyle	LCM	57.55	AA+0.46s to AAA	2026-06-19	HISI Senior Summer Championship (LCM) venue
200 Freestyle	LCM	2:07.02	AA+1.23s to AAA	2025-08-07	2025 Western Zone Age Group Championships fast pool
400 Freestyle	LCM	4:31.77	AA+3.98s to AAA	2025-08-08	2025 Western Zone Age Group Championships fast pool
1500 Freestyle	LCM	18:15.06	AA+27.37s to AAA	2025-08-09	2025 Western Zone Age Group Championships fast pool
50 Backstroke	LCM	37.94	B+2.05s to BB	2023-07-16	2023 HI Age Group LCM Championship venue
100 Backstroke	LCM	1:06.87	A+0.18s to AA	2025-08-08	2025 Western Zone Age Group Championships fast pool
200 Backstroke	LCM	2:30.92	A+6.13s to AA	2026-06-21	HISI Senior Summer Championship (LCM) venue
100 Breaststroke	LCM	1:19.25	BB+0.86s to A	2026-04-25	University of Hawaii Spring Fling venue
200 Breaststroke	LCM	2:59.02	BB+7.63s to A	2026-05-23	50th Annual Coach Soichi Sakamoto Invitationa venue
50 Butterfly	LCM	38.63	+2.14s to B	2023-06-03	2023 HI 12th Annual Rainbow Aquatics Invite venue
100 Butterfly	LCM	1:06.27	A+1.78s to AA	2026-04-25	University of Hawaii Spring Fling venue
200 Butterfly	LCM	2:28.14	A+3.85s to AA	2026-06-19	HISI Senior Summer Championship (LCM) venue
200 Individual Medley	LCM	2:27.74	A+0.85s to AA	2026-06-18	HISI Senior Summer Championship (LCM) venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

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.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	22.75	flat	200 Free Relay	2025-11-23	HISI Senior Fall Championship (SCY)
50 Freestyle	SCY	29.27	flying	200 Free Relay (leg 2)	2023-06-10	2023 HI Swim Kauai Age Group Meet
50 Freestyle	SCY	21.33	flying	200 Medley Relay (leg 4)	2023-07-01	2023 HI Swim Kauai Age Group Meet
100 Freestyle	SCY	49.55	flying	400 Free Relay (leg 3)	2025-11-23	HISI Senior Fall Championship (SCY)
50 Backstroke	SCY	28.10	flat	200 Medley Relay	2025-11-15	SKA Home Meet 11.15.25
100 Breaststroke	SCY	59.62	flying	400 Medley Relay (leg 2)	2025-11-22	HISI Senior Fall Championship (SCY)
50 Butterfly	SCY	38.06	flying	200 Medley Relay (leg 3)	2023-06-10	2023 HI Swim Kauai Age Group Meet
50 Freestyle	LCM	25.85	flying	200 Free Relay (leg 2)	2026-05-23	50th Annual Coach Soichi Sakamoto Invitationa
100 Freestyle	LCM	1:10.89	flying	400 Free Relay (leg 2)	2023-07-14	2023 HI Age Group LCM Championship
100 Freestyle	LCM	1:03.27	flying	400 Medley Relay (leg 4)	2023-07-15	2023 HI Age Group LCM Championship
50 Backstroke	LCM	31.40	flat	200 Medley Relay	2026-06-18	HISI Senior Summer Championship (LCM)
100 Butterfly	LCM	1:05.40	flying	400 Medley Relay (leg 3)	2026-06-19	HISI Senior Summer Championship (LCM)

Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.

IMX / IMR

IMX 15-16 · SCY

4073 points (6/6 events)

Event	Time	Points
500 FR SCY	4:55.98	813
200 BK SCY	2:05.54	685
200 BR SCY	2:24.69	649
200 FL SCY	2:11.68	626
200 IM SCY	2:09.25	671
400 IM SCY	4:41.90	629

IMR 15-16 · SCY

3512 points (5/5 events)

Event	Time	Points
200 FR SCY	1:50.13	794
100 BK SCY	57.11	699
100 BR SCY	1:06.63	649
100 FL SCY	56.76	699
200 IM SCY	2:09.25	671

Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.

PR splits

100 Freestyle SCY 49.19

23.31

25.88

Front half 23.31s · back half 25.88s

200 Freestyle SCY 1:50.13

24.90

27.80

29.34

28.09

Front half 52.70s · back half 57.43s

500 Freestyle SCY 4:55.98

26.10

29.54

30.20

30.66

30.13

30.46

30.21

30.22

28.33

Front half 146.63s · back half 149.35s

1650 Freestyle SCY 17:08.81

27.66

31.58

31.42

31.37

31.16

31.40

31.06

31.25

31.81

31.38

31.09

30.97

31.43

31.08

31.22

31.09

30.86

30.37

30.40

31.44

30.96

31.69

31.88

31.79

31.10

31.66

31.60

31.80

31.13

31.51

31.72

30.05

100 Backstroke SCY 57.11

27.34

29.77

Front half 27.34s · back half 29.77s

200 Backstroke SCY 2:05.54

29.42

31.85

33.03

31.24

Front half 61.27s · back half 64.27s

100 Breaststroke SCY 1:06.63

31.50

35.13

Front half 31.50s · back half 35.13s

200 Breaststroke SCY 2:24.69

32.25

37.25

38.54

36.65

Front half 69.50s · back half 75.19s

100 Butterfly SCY 56.76

26.33

30.43

Front half 26.33s · back half 30.43s

200 Butterfly SCY 2:11.68

28.92

33.56

34.89

34.31

Front half 62.48s · back half 69.20s

100 Individual Medley SCY 59.30

27.18

32.12

Front half 27.18s · back half 32.12s

200 Individual Medley SCY 2:09.25

27.00

34.14

39.52

28.59

Front half 61.14s · back half 68.11s

400 Individual Medley SCY 4:41.90

29.29

33.74

38.68

38.67

41.37

42.64

29.64

27.87

Front half 140.38s · back half 141.52s

100 Freestyle LCM 57.55

27.35

30.20

Front half 27.35s · back half 30.20s

200 Freestyle LCM 2:07.02

61.50

65.52

Front half 61.50s · back half 65.52s

400 Freestyle LCM 4:31.77

65.05

68.86

69.28

68.58

Front half 133.91s · back half 137.86s

1500 Freestyle LCM 18:15.06

31.83

35.11

35.51

35.90

36.23

36.20

36.44

37.03

36.53

36.72

37.03

36.76

37.36

37.53

36.36

37.38

36.92

37.92

36.59

37.44

37.16

37.31

37.01

37.63

37.08

36.93

36.99

36.61

35.82

33.73

Front half 542.54s · back half 552.52s

200 Backstroke LCM 2:30.92

34.92

38.18

40.13

37.69

Front half 73.10s · back half 77.82s

200 Breaststroke LCM 2:59.02

41.28

45.46

48.36

43.92

Front half 86.74s · back half 92.28s

200 Butterfly LCM 2:28.14

32.56

37.17

39.18

39.23

Front half 69.73s · back half 78.41s

200 Individual Medley LCM 2:27.74

30.48

40.49

45.28

31.49

Front half 70.97s · back half 76.77s

Reaction time

fastest 0.64s average 0.655s slowest 0.67s 2 electronic starts

Start reaction over time faster starts higher

From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.

Progression

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

50 Freestyle SCY 22.42 16 swims

100 Freestyle SCY 49.19 14 swims

200 Freestyle SCY 1:50.13 9 swims

500 Freestyle SCY 4:55.98 12 swims

1000 Freestyle SCY 10:20.04 2 swims

1500 Freestyle SCY 21:41.00 1 swim

1650 Freestyle SCY 17:08.81 5 swims

50 Backstroke SCY 25.93 8 swims

100 Backstroke SCY 57.11 15 swims

200 Backstroke SCY 2:05.54 4 swims

50 Breaststroke SCY 31.82 2 swims

100 Breaststroke SCY 1:06.63 8 swims

200 Breaststroke SCY 2:24.69 5 swims

50 Butterfly SCY 26.12 8 swims

100 Butterfly SCY 56.76 6 swims

200 Butterfly SCY 2:11.68 3 swims

100 Individual Medley SCY 59.30 3 swims

200 Individual Medley SCY 2:09.25 5 swims

400 Individual Medley SCY 4:41.90 2 swims

50 Freestyle LCM 26.30 7 swims

100 Freestyle LCM 57.55 8 swims

200 Freestyle LCM 2:07.02 7 swims

400 Freestyle LCM 4:31.77 5 swims

1500 Freestyle LCM 18:15.06 2 swims

50 Backstroke LCM 37.94 3 swims

100 Backstroke LCM 1:06.87 6 swims

200 Backstroke LCM 2:30.92 4 swims

100 Breaststroke LCM 1:19.25 3 swims

200 Breaststroke LCM 2:59.02 1 swim

50 Butterfly LCM 38.63 1 swim

100 Butterfly LCM 1:06.27 3 swims

200 Butterfly LCM 2:28.14 5 swims

200 Individual Medley LCM 2:27.74 5 swims