Olivia Koch

Fage 18HISEAULPSLTANG

59 plausible swims · 17 meets · 2024-09-22 → 2026-05-16

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	26.17	A+0.28s to AA	2025-11-23	HISI Senior Fall Championship (SCY) fast pool
100 Freestyle	SCY	59.50	BB+0.91s to A	2025-11-22	HISI Senior Fall Championship (SCY) fast pool
200 Freestyle	SCY	2:12.90	BB+5.51s to A	2024-12-07	2024 SE Christmas in Auburn venue
500 Freestyle	SCY	5:57.09	BB+15.80s to A	2025-10-18	Distance Pentathlon venue
1000 Freestyle	SCY	12:16.88	BB+21.69s to A	2025-12-07	45th Annual Ken Suenaga Invitational (SCY) venue
50 Backstroke	SCY	30.38	BB+0.49s to A	2025-11-22	HISI Senior Fall Championship (SCY) fast pool
100 Backstroke	SCY	1:07.71	BB+3.92s to A	2024-12-07	2024 SE Christmas in Auburn venue
200 Backstroke	SCY	2:30.01	BB+11.32s to A	2025-10-18	Distance Pentathlon venue
50 Breaststroke	SCY	36.65	BB+1.66s to A	2025-10-08	1666110
100 Breaststroke	SCY	1:17.82	BB+4.83s to A	2025-10-08	1666110
200 Breaststroke	SCY	2:56.07	B+4.38s to BB	2025-10-19	Aulea Fall Frenzy Meet venue
50 Butterfly	SCY	29.31	A+0.62s to AA	2025-11-21	HISI Senior Fall Championship (SCY) fast pool
100 Butterfly	SCY	1:09.90	B+1.31s to BB	2024-12-08	2024 SE Christmas in Auburn venue
200 Individual Medley	SCY	2:30.98	BB+8.59s to A	2024-12-08	2024 SE Christmas in Auburn venue
400 Individual Medley	SCY	5:18.35	BB+14.96s to A	2025-10-18	Distance Pentathlon venue
50 Freestyle	LCM	30.86	A+1.17s to AA	2025-07-17	2025 HI Age Group LCM Championship
100 Freestyle	LCM	1:07.59	BB+0.60s to A	2025-07-17	2025 HI Age Group LCM Championship
200 Freestyle	LCM	2:35.09	BB+10.00s to A	2025-07-17	2025 HI Age Group LCM Championship
50 Backstroke	LCM	37.65	BB+1.86s to A	2026-04-25	University of Hawaii Spring Fling venue
100 Backstroke	LCM	1:22.05	B+1.66s to BB	2025-07-17	2025 HI Age Group LCM Championship
50 Butterfly	LCM	33.60	BB+0.41s to A	2026-04-26	University of Hawaii Spring Fling venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

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	26.27	flying	200 Medley Relay (leg 4)	2026-01-17	K. Mark Takai Swimming and Diving Champs
100 Freestyle	SCY	1:00.29	flat	400 Free Relay	2026-01-17	K. Mark Takai Swimming and Diving Champs

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 17-18 · SCY

2662 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:57.09	577
200 BK SCY	2:30.01	500
200 BR SCY	2:56.07	486
200 IM SCY	2:30.98	536
400 IM SCY	5:18.35	563
200 FL SCY	—	0

IMR 17-18 · SCY

2681 points (5/5 events)

Event	Time	Points
200 FR SCY	2:12.90	573
100 BK SCY	1:07.71	535
100 BR SCY	1:17.82	545
100 FL SCY	1:09.90	492
200 IM SCY	2:30.98	536

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

PR splits

100 Freestyle SCY 59.50

27.93

31.57

Front half 27.93s · back half 31.57s

200 Freestyle SCY 2:12.90

29.37

33.08

34.97

35.48

Front half 62.45s · back half 70.45s

500 Freestyle SCY 5:57.09

30.92

34.31

35.47

37.21

36.69

36.54

36.61

36.73

36.82

35.79

Front half 174.60s · back half 182.49s

100 Backstroke SCY 1:07.71 RT 0.76s

31.73

35.98

Front half 31.73s · back half 35.98s

200 Backstroke SCY 2:30.01

33.42

38.62

39.46

38.51

Front half 72.04s · back half 77.97s

100 Breaststroke SCY 1:17.82 split/total mismatch

36.81

4.20

Front half 36.81s · back half 41.01s

100 Butterfly SCY 1:09.90

31.27

38.63

Front half 31.27s · back half 38.63s

200 Individual Medley SCY 2:30.98

30.38

38.14

46.18

36.28

Front half 68.52s · back half 82.46s

400 Individual Medley SCY 5:18.35

31.54

37.90

43.35

41.65

45.92

45.90

36.85

35.24

Front half 154.44s · back half 163.91s

Reaction time

fastest 0.68s average 0.720s slowest 0.76s 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 26.17 8 swims

100 Freestyle SCY 59.50 7 swims

200 Freestyle SCY 2:12.90 3 swims

500 Freestyle SCY 5:57.09 1 swim

1000 Freestyle SCY 12:16.88 1 swim

50 Backstroke SCY 30.38 2 swims

100 Backstroke SCY 1:07.71 5 swims

200 Backstroke SCY 2:30.01 4 swims

50 Breaststroke SCY 36.65 2 swims

100 Breaststroke SCY 1:17.82 2 swims

200 Breaststroke SCY 2:56.07 1 swim

50 Butterfly SCY 29.31 1 swim

100 Butterfly SCY 1:09.90 4 swims

200 Individual Medley SCY 2:30.98 7 swims

400 Individual Medley SCY 5:18.35 1 swim

50 Freestyle LCM 30.86 3 swims

100 Freestyle LCM 1:07.59 2 swims

200 Freestyle LCM 2:35.09 1 swim

50 Backstroke LCM 37.65 1 swim

100 Backstroke LCM 1:22.05 1 swim

50 Butterfly LCM 33.60 2 swims