Grace Koenig-Song

Fage 15CZIAILLEMTWIILWILD

70 plausible swims · 13 meets · 2019-08-01 → 2026-03-08

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.42	AAAA	2025-12-11	2025 West Speedo Winter Juniors venue
100 Freestyle	SCY	50.21	AAAA	2024-03-09	2024 IL Swimming SC Age Group Championships slow pool
500 Freestyle	SCY	4:59.22	AAAA	2024-02-02	2024 Schroeder YMCA A+ Presented by Speedo venue
100 Backstroke	SCY	58.75	AAA+1.76s to AAAA	2024-02-03	2024 Schroeder YMCA A+ Presented by Speedo venue
100 Breaststroke	SCY	1:00.57	AAAA	2025-01-01	2025 Speedo Winter Junior Championships - West
200 Breaststroke	SCY	2:10.83	AAAA	2025-01-01	2025 Speedo Winter Junior Championships - West
100 Butterfly	SCY	55.10	AAAA	2024-03-08	2024 IL Swimming SC Age Group Championships slow pool
200 Individual Medley	SCY	1:59.83	AAAA	2025-01-01	2025 Speedo Winter Junior Championships - West
400 Individual Medley	SCY	4:17.82	AAAA	2025-01-31	2025 Schroeder YMCA A+ Presented by Speedo venue
50 Freestyle	LCM	26.26	AAAA	2024-05-19	2024 MAC LC Midwest Invitational venue
100 Freestyle	LCM	1:01.56	AAA+1.87s to AAAA	2024-05-18	2024 MAC LC Midwest Invitational venue
200 Freestyle	LCM	2:13.26	AAA+3.87s to AAAA	2024-05-19	2024 MAC LC Midwest Invitational venue
100 Backstroke	LCM	1:25.51	B+3.52s to BB	2019-08-03	2019 WI Central Zone 14 & U Championship slow pool
50 Breaststroke	LCM	32.88	AAAA	2025-07-26	2025 TYR FUTURES MADISON venue
100 Breaststroke	LCM	1:09.14	AAAA	2025-07-23	2025 TYR FUTURES MADISON venue
200 Breaststroke	LCM	2:32.42	AAAA	2025-07-25	2025 TYR FUTURES MADISON venue
50 Butterfly	LCM	35.61	BB+1.52s to A	2019-08-03	2019 WI Central Zone 14 & U Championship slow pool
200 Individual Medley	LCM	2:21.28	AAAA	2025-07-26	2025 TYR FUTURES MADISON venue
400 Individual Medley	LCM	5:01.27	AAAA	2025-07-24	2025 TYR FUTURES MADISON 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	23.02	flying	200 Free Relay (leg 4)	2025-12-12	2025 West Speedo Winter Juniors
100 Freestyle	SCY	50.25	flying	400 Free Relay (leg 4)	2025-12-13	2025 West Speedo Winter Juniors
200 Freestyle	SCY	2:02.37	flat	800 Free Relay	2024-03-08	2024 IL Swimming SC Age Group Championships
50 Breaststroke	SCY	27.75	flying	200 Medley Relay (leg 2)	2025-12-10	2025 West Speedo Winter Juniors
100 Breaststroke	SCY	1:00.24	flying	400 Medley Relay (leg 2)	2025-02-01	2025 Schroeder YMCA A+ Presented by Speedo

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

4315 points (4/6 events — incomplete)

Event	Time	Points
500 FR SCY	4:59.22	1015
200 BR SCY	2:10.83	1100
200 IM SCY	1:59.83	1100
400 IM SCY	4:17.82	1100
200 BK SCY	—	0
200 FL SCY	—	0

IMR 15-16 · SCY

4108 points (4/5 events — incomplete)

Event	Time	Points
100 BK SCY	58.75	870
100 BR SCY	1:00.57	1100
100 FL SCY	55.10	1038
200 IM SCY	1:59.83	1100
200 FR SCY	—	0

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

PR splits

100 Freestyle SCY 50.21

24.47

25.74

Front half 24.47s · back half 25.74s

500 Freestyle SCY 4:59.22

26.98

29.68

30.02

30.42

30.85

30.46

30.72

31.14

30.64

28.31

Front half 147.95s · back half 151.27s

100 Backstroke SCY 58.75

28.99

29.76

Front half 28.99s · back half 29.76s

100 Butterfly SCY 55.10

26.16

28.94

Front half 26.16s · back half 28.94s

400 Individual Medley SCY 4:17.82

27.18

32.00

33.08

33.04

37.03

36.41

29.87

29.21

Front half 125.30s · back half 132.52s

100 Freestyle LCM 1:01.56

29.58

31.98

Front half 29.58s · back half 31.98s

200 Freestyle LCM 2:13.26

31.07

33.41

34.36

34.42

Front half 64.48s · back half 68.78s

100 Backstroke LCM 1:25.51

40.81

44.70

Front half 40.81s · back half 44.70s

100 Breaststroke LCM 1:09.14

32.83

36.31

Front half 32.83s · back half 36.31s

200 Breaststroke LCM 2:32.42

34.83

38.58

39.89

39.12

Front half 73.41s · back half 79.01s

200 Individual Medley LCM 2:21.28

30.44

37.32

40.71

32.81

Front half 67.76s · back half 73.52s

400 Individual Medley LCM 5:01.27

31.79

36.71

39.55

39.01

42.76

41.87

35.84

33.74

Front half 147.06s · back half 154.21s

Reaction time

fastest 0.67s average 0.699s slowest 0.75s 12 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 23.42 3 swims

100 Freestyle SCY 50.21 6 swims

500 Freestyle SCY 4:59.22 1 swim

100 Backstroke SCY 58.75 1 swim

100 Breaststroke SCY 1:00.57 8 swims

200 Breaststroke SCY 2:10.83 8 swims

100 Butterfly SCY 55.10 4 swims

200 Individual Medley SCY 1:59.83 9 swims

400 Individual Medley SCY 4:17.82 1 swim

50 Freestyle LCM 26.26 5 swims

100 Freestyle LCM 1:01.56 2 swims

200 Freestyle LCM 2:13.26 1 swim

100 Backstroke LCM 1:25.51 1 swim

50 Breaststroke LCM 32.88 1 swim

100 Breaststroke LCM 1:09.14 6 swims

200 Breaststroke LCM 2:32.42 4 swims

50 Butterfly LCM 35.61 1 swim

200 Individual Medley LCM 2:21.28 4 swims

400 Individual Medley LCM 5:01.27 4 swims