Gustav Koh

Mage 18CZILMTWIWILD

21 plausible swims · 6 meets · 2024-03-13 → 2025-07-26

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 22.58 AA+0.89s to AAA 2024-03-13 1466378
100 Backstroke SCY 50.75 AAA+1.56s to AAAA 2024-03-13 1466378
50 Freestyle LCM 25.82 AA+0.73s to AAA 2024-05-19 2024 MAC LC Midwest Invitational venue
100 Freestyle LCM 53.18 AAA+0.49s to AAAA 2025-07-24 2025 TYR FUTURES MADISON venue
400 Freestyle LCM 4:25.62 AA+8.33s to AAA 2024-05-17 2024 MAC LC Midwest Invitational venue
50 Backstroke LCM 27.41 AAAA 2025-07-25 2025 TYR FUTURES MADISON venue
100 Backstroke LCM 57.85 AAAA 2025-07-24 2025 TYR FUTURES MADISON venue
200 Backstroke LCM 2:06.25 AAAA 2025-07-26 2025 TYR FUTURES MADISON venue
50 Breaststroke LCM 29.33 AAAA 2025-07-26 2025 TYR FUTURES MADISON venue
100 Butterfly LCM 1:01.03 AA+2.14s to AAA 2024-05-19 2024 MAC LC Midwest Invitational venue

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

Fastest relay legs

LegCourseTime StartRelayDateMeet
200 Freestyle LCM 1:56.43 flying 800 Free Relay (leg 4) 2025-07-24 2025 TYR FUTURES MADISON

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 · LCM

1798 points (2/6 events — incomplete)

EventTime Points
400 FR LCM 4:25.62 783
200 BK LCM 2:06.25 1015
200 BR LCM 0
200 FL LCM 0
200 IM LCM 0
400 IM LCM 0

IMR 17-18 · LCM

1789 points (2/5 events — incomplete)

EventTime Points
100 BK LCM 57.85 1017
100 FL LCM 1:01.03 772
200 FR LCM 0
100 BR LCM 0
200 IM LCM 0

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

PR splits

100 Freestyle LCM 53.18

25.93
27.25

Front half 25.93s · back half 27.25s

400 Freestyle LCM 4:25.62

29.59
33.36
33.65
34.09
33.74
34.39
33.12
33.68

Front half 130.69s · back half 134.93s

100 Backstroke LCM 57.85

28.09
29.76

Front half 28.09s · back half 29.76s

200 Backstroke LCM 2:06.25

29.45
31.97
32.53
32.30

Front half 61.42s · back half 64.83s

100 Butterfly LCM 1:01.03

28.21
32.82

Front half 28.21s · back half 32.82s

Reaction time

fastest 0.61s average 0.610s slowest 0.61s 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 22.58 1 swim
100 Backstroke SCY 50.75 1 swim
50 Freestyle LCM 25.82 1 swim
100 Freestyle LCM 53.18 2 swims
400 Freestyle LCM 4:25.62 1 swim
50 Backstroke LCM 27.41 2 swims
100 Backstroke LCM 57.85 6 swims
200 Backstroke LCM 2:06.25 4 swims
50 Breaststroke LCM 29.33 1 swim
100 Butterfly LCM 1:01.03 2 swims