Christopher Koch

Mage 18FLGAKYMTABSCGA

145 plausible swims · 18 meets · 2024-06-01 → 2026-06-28

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	21.82	AA+0.13s to AAA	2026-03-29	2026 Northeast Divisional Championships venue
100 Freestyle	SCY	49.04	AA+1.35s to AAA	2024-10-27	2024 Athens Fall Classic venue
200 Freestyle	SCY	1:41.05	AAA+0.46s to AAAA	2025-03-30	2025 Northeast Divisional Championships venue
500 Freestyle	SCY	4:37.71	AAA+4.12s to AAAA	2025-03-06	2025 ASL SMOC-3
1000 Freestyle	SCY	9:40.36	AAA+5.47s to AAAA	2025-01-17	2025 Athens New Year's Kickoff venue
1650 Freestyle	SCY	16:11.02	AAA+12.83s to AAAA	2025-12-07	2025 GA SC Senior State Championships - copie venue
100 Backstroke	SCY	55.58	A+1.69s to AA	2024-12-14	2024 Classic City Quad Meet venue
200 Backstroke	SCY	2:01.37	A+2.78s to AA	2025-10-26	2025 Athens Fall Classic - copied venue
50 Breaststroke	SCY	26.55	AAAA	2025-12-07	2025 GA SC Senior State Championships - copie venue
100 Breaststroke	SCY	56.18	AAAA	2025-03-30	2025 Northeast Divisional Championships venue
200 Breaststroke	SCY	2:00.48	AAAA	2025-03-29	2025 Northeast Divisional Championships venue
50 Butterfly	SCY	24.75	AA+0.46s to AAA	2025-01-18	2025 Athens New Year's Kickoff venue
100 Butterfly	SCY	52.34	AA+0.75s to AAA	2025-03-29	2025 Northeast Divisional Championships venue
200 Butterfly	SCY	2:01.80	A+0.61s to AA	2024-10-26	2024 Athens Fall Classic venue
100 Individual Medley	SCY	53.11		2025-12-06	2025 GA SC Senior State Championships - copie venue
200 Individual Medley	SCY	1:52.25	AAA+1.36s to AAAA	2025-03-29	2025 Northeast Divisional Championships venue
400 Individual Medley	SCY	3:58.91	AAAA	2025-03-28	2025 Northeast Divisional Championships venue
100 Freestyle	LCM	55.36	AA+0.17s to AAA	2026-06-28	2026 Bulldog Grand Slam - copied venue
200 Freestyle	LCM	1:58.90	AAA+3.71s to AAAA	2025-05-17	2025 Bulldog Grand Slam venue
400 Freestyle	LCM	4:10.05	AAA+4.46s to AAAA	2024-07-27	Georgia LC Senior State Championships 2024 venue
800 Freestyle	LCM	8:41.45	AAA+7.16s to AAAA	2024-07-28	Georgia LC Senior State Championships 2024 venue
1500 Freestyle	LCM	16:43.45	AAA+19.36s to AAAA	2025-07-23	2025 TYR FUTURES OCALA venue
2000 Freestyle	LCM	27:56.37			2024 Southern Zone Open Water Championships venue
5000 Freestyle	LCM	64:39.56		2024-06-01	2024 Southern Zone Open Water Championships venue
50 Backstroke	LCM	29.25	AAA+1.26s to AAAA	2025-07-30	2025 Speedo Junior National Championships fast pool
50 Breaststroke	LCM	30.94	AAA+0.25s to AAAA	2025-07-31	2025 Speedo Junior National Championships fast pool
100 Breaststroke	LCM	1:08.65	AA+0.26s to AAA	2025-07-23	2025 TYR FUTURES OCALA venue
200 Breaststroke	LCM	2:25.67	AAA+2.78s to AAAA	2025-08-02	2025 Speedo Junior National Championships fast pool
200 Individual Medley	LCM	2:08.74	AAAA	2025-07-26	2025 TYR FUTURES OCALA venue
400 Individual Medley	LCM	4:35.69	AAAA	2025-07-24	2025 TYR FUTURES OCALA 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
200 Freestyle	LCM	3:05.06	flying	800 Free Relay (leg 4)	2024-07-26	Georgia LC Senior State Championships 2024

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

5351 points (6/6 events)

Event	Time	Points
500 FR SCY	4:37.71	943
200 BK SCY	2:01.37	702
200 BR SCY	2:00.48	1030
200 FL SCY	2:01.80	732
200 IM SCY	1:52.25	956
400 IM SCY	3:58.91	988

IMR 17-18 · SCY

4424 points (5/5 events)

Event	Time	Points
200 FR SCY	1:41.05	974
100 BK SCY	55.58	680
100 BR SCY	56.18	989
100 FL SCY	52.34	825
200 IM SCY	1:52.25	956

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

PR splits

100 Freestyle SCY 49.04

23.64

25.40

Front half 23.64s · back half 25.40s

200 Freestyle SCY 1:41.05

23.70

25.57

26.29

25.49

Front half 49.27s · back half 51.78s

500 Freestyle SCY 4:37.71

24.90

27.32

27.95

28.34

28.69

28.54

28.19

28.34

27.96

27.48

Front half 137.20s · back half 140.51s

1000 Freestyle SCY 9:40.36

25.32

28.34

28.53

29.19

29.21

29.32

29.40

29.61

29.58

29.55

29.59

29.67

30.03

29.93

30.12

29.66

29.29

29.02

28.87

26.13

Front half 288.05s · back half 292.31s

1650 Freestyle SCY 16:11.02

25.31

27.27

27.86

28.72

28.81

29.20

29.29

29.47

29.29

29.50

29.84

29.80

29.74

29.64

29.55

29.75

29.56

29.85

30.00

30.03

29.76

29.80

30.10

30.05

30.30

30.04

30.35

30.47

30.34

30.26

29.59

29.48

28.00

100 Backstroke SCY 55.58

26.93

28.65

Front half 26.93s · back half 28.65s

200 Backstroke SCY 2:01.37

28.91

30.76

31.04

30.66

Front half 59.67s · back half 61.70s

100 Breaststroke SCY 56.18

26.45

29.73

Front half 26.45s · back half 29.73s

200 Breaststroke SCY 2:00.48

27.02

30.62

31.25

31.59

Front half 57.64s · back half 62.84s

100 Butterfly SCY 52.34

24.41

27.93

Front half 24.41s · back half 27.93s

200 Butterfly SCY 2:01.80

26.75

30.95

31.79

32.31

Front half 57.70s · back half 64.10s

100 Individual Medley SCY 53.11

24.91

28.20

Front half 24.91s · back half 28.20s

200 Individual Medley SCY 1:52.25

24.83

29.74

31.18

26.50

Front half 54.57s · back half 57.68s

400 Individual Medley SCY 3:58.91

25.57

30.04

32.41

31.70

32.53

32.15

27.61

26.90

Front half 119.72s · back half 119.19s

100 Freestyle LCM 55.36

26.67

28.69

Front half 26.67s · back half 28.69s

200 Freestyle LCM 1:58.90

27.68

29.87

30.75

30.60

Front half 57.55s · back half 61.35s

400 Freestyle LCM 4:10.05

28.72

31.44

32.24

31.79

32.17

31.53

31.70

30.46

Front half 124.19s · back half 125.86s

800 Freestyle LCM 8:41.45

29.76

32.38

33.15

33.17

33.43

33.51

33.20

33.36

33.00

33.10

33.13

32.90

32.69

32.35

31.67

30.65

Front half 261.96s · back half 259.49s

1500 Freestyle LCM 16:43.45

29.43

32.24

32.84

33.36

33.91

33.89

6.51

27.24

101.30

34.01

33.88

33.91

34.21

34.09

33.56

33.96

33.69

34.17

33.59

33.67

33.48

34.04

34.08

33.64

33.92

33.71

33.36

32.70

31.06

100 Breaststroke LCM 1:08.65

32.62

36.03

Front half 32.62s · back half 36.03s

200 Breaststroke LCM 2:25.67 RT 0.67s

32.88

37.10

37.49

38.20

Front half 69.98s · back half 75.69s

200 Individual Medley LCM 2:08.74 RT 0.68s

28.24

34.21

36.64

29.65

Front half 62.45s · back half 66.29s

400 Individual Medley LCM 4:35.69 RT 0.71s

29.61

34.58

37.44

36.26

37.90

37.58

31.80

30.52

Front half 137.89s · back half 137.80s

Reaction time

fastest 0.56s average 0.685s slowest 0.74s 11 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 21.82 5 swims

100 Freestyle SCY 49.04 2 swims

200 Freestyle SCY 1:41.05 9 swims

500 Freestyle SCY 4:37.71 6 swims

1000 Freestyle SCY 9:40.36 3 swims

1650 Freestyle SCY 16:11.02 3 swims

100 Backstroke SCY 55.58 2 swims

200 Backstroke SCY 2:01.37 2 swims

50 Breaststroke SCY 26.55 3 swims

100 Breaststroke SCY 56.18 11 swims

200 Breaststroke SCY 2:00.48 12 swims

50 Butterfly SCY 24.75 2 swims

100 Butterfly SCY 52.34 5 swims

200 Butterfly SCY 2:01.80 2 swims

100 Individual Medley SCY 53.11 2 swims

200 Individual Medley SCY 1:52.25 13 swims

400 Individual Medley SCY 3:58.91 9 swims

100 Freestyle LCM 55.36 1 swim

200 Freestyle LCM 1:58.90 6 swims

400 Freestyle LCM 4:10.05 4 swims

800 Freestyle LCM 8:41.45 2 swims

1500 Freestyle LCM 16:43.45 1 swim

2000 Freestyle LCM 27:56.37 0 swims

5000 Freestyle LCM 64:39.56 1 swim

50 Backstroke LCM 29.25 1 swim

50 Breaststroke LCM 30.94 3 swims

100 Breaststroke LCM 1:08.65 4 swims

200 Breaststroke LCM 2:25.67 9 swims

200 Individual Medley LCM 2:08.74 10 swims

400 Individual Medley LCM 4:35.69 11 swims