Sofia Nielson

Fage 16IEMTORPNSRSTUTIETCCC

400 plausible swims · 63 meets · 2017-10-28 → 2026-06-20

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	12.77		2022-09-24	2022 IE MRA Sprint Shootout venue
50 Freestyle	SCY	24.97	AAA+0.98s to AAAA	2025-02-28	2025 IES Short Course Championships fast pool
100 Freestyle	SCY	53.84	AAA+1.85s to AAAA	2026-03-12	2026 Bellevue Club Premier Invite- Approved fast pool
200 Freestyle	SCY	1:52.76	AAA+0.67s to AAAA	2025-12-05	2025 Tualatin Hills Holiday Classic
500 Freestyle	SCY	5:08.25	AAA+6.26s to AAAA	2026-01-16	2026 PN VAST 49th Annual Washington Open- APP venue
25 Backstroke	SCY	18.86		2018-09-22	2018 IE MRA Sprint Shootout venue
50 Backstroke	SCY	31.77	BB+1.48s to A	2022-09-24	2022 IE MRA Sprint Shootout venue
100 Backstroke	SCY	1:01.07	AA+2.18s to AAA	2026-02-28	2026 IES Short Course Championships fast pool
200 Backstroke	SCY	2:15.50	A+2.01s to AA	2024-11-16	2024 IE MRA Thankswimming Open venue
25 Breaststroke	SCY	22.19		2018-09-22	2018 IE MRA Sprint Shootout venue
50 Breaststroke	SCY	29.55	AAAA	2026-01-15	2026 PN VAST 49th Annual Washington Open- APP
100 Breaststroke	SCY	1:02.11	AAAA	2025-12-05	2025 Tualatin Hills Holiday Classic venue
200 Breaststroke	SCY	2:14.96	AAAA	2025-12-06	2025 Tualatin Hills Holiday Classic venue
25 Butterfly	SCY	18.67		2018-09-22	2018 IE MRA Sprint Shootout venue
50 Butterfly	SCY	29.31	A+0.52s to AA	2022-09-24	2022 IE MRA Sprint Shootout venue
100 Butterfly	SCY	58.93	AA+0.14s to AAA	2024-12-06	2024 Tualatin Hills Holiday Classic venue
100 Individual Medley	SCY	1:06.64		2022-09-24	2022 IE MRA Sprint Shootout venue
200 Individual Medley	SCY	2:05.76	AAA+0.27s to AAAA	2026-02-27	2026 IES Short Course Championships fast pool
400 Individual Medley	SCY	4:34.90	AAA+6.21s to AAAA	2026-01-17	2026 PN VAST 49th Annual Washington Open- APP venue
50 Freestyle	LCM	29.08	AA+0.49s to AAA	2025-06-07	2025 TRI-CITY INVITATIONAL venue
100 Freestyle	LCM	1:01.01	AAA+2.12s to AAAA	2024-08-07	2024 Western Zone Age Group Championships venue
200 Freestyle	LCM	2:15.22	AA+2.03s to AAA	2022-08-03	2022 Western Zone Age Group Championships
400 Freestyle	LCM	4:44.95	AA+2.86s to AAA	2024-05-31	2024 TRI-CITY INVITATIONAL venue
800 Freestyle	LCM	10:00.87	AA+18.48s to AAA	2024-07-13	2024 SUNBURN CLASSIC venue
100 Backstroke	LCM	1:13.15	A+1.26s to AA	2025-06-07	2025 TRI-CITY INVITATIONAL venue
200 Backstroke	LCM	2:37.39	A+3.10s to AA	2025-06-06	2025 TRI-CITY INVITATIONAL venue
50 Breaststroke	LCM	35.68	AAA+0.49s to AAAA	2026-06-19	Bend Swim Club Sun Country Invite 2026 venue
100 Breaststroke	LCM	1:14.26	AAAA	2024-08-07	2024 Western Zone Age Group Championships venue
200 Breaststroke	LCM	2:43.05	AAA+3.46s to AAAA	2026-05-30	2026 TRI-CITY INVITATIONAL venue
100 Butterfly	LCM	1:11.98	A+2.69s to AA	2024-08-08	2024 Western Zone Age Group Championships venue
200 Individual Medley	LCM	2:29.40	AAA+5.61s to AAAA	2024-05-31	2024 TRI-CITY INVITATIONAL venue
400 Individual Medley	LCM	5:26.51	AA+5.92s to AAA	2023-07-22	2023 IES LC Championships venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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
25 Freestyle	SCY	23.09	flying	100 Medley Relay (leg 4)	2017-11-18	2017 IE MRA Thankswimming Open
25 Breaststroke	SCY	34.23	flying	100 Medley Relay (leg 2)	2018-11-17	2018 IE MRA Thankswimming Open
50 Breaststroke	SCY	30.53	flying	200 Medley Relay (leg 2)	2026-02-28	2026 IES Short Course Championships
50 Butterfly	SCY	34.44	flying	200 Medley Relay (leg 3)	2020-03-07	2020 IES SC Junior Olympics
50 Freestyle	LCM	28.85	flat	200 Free Relay	2024-08-10	2024 Western Zone Age Group Championships
50 Breaststroke	LCM	34.54	flying	200 Medley Relay (leg 2)	2024-08-08	2024 Western Zone Age Group Championships

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

4633 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:08.25	929
200 BK SCY	2:15.50	724
200 BR SCY	2:14.96	1100
200 IM SCY	2:05.76	972
400 IM SCY	4:34.90	908
200 FL SCY	—	0

IMR 15-16 · SCY

4668 points (5/5 events)

Event	Time	Points
200 FR SCY	1:52.76	974
100 BK SCY	1:01.07	774
100 BR SCY	1:02.11	1100
100 FL SCY	58.93	848
200 IM SCY	2:05.76	972

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

PR splits

100 Freestyle SCY 53.84 RT 0.70s

25.97

27.87

Front half 25.97s · back half 27.87s

500 Freestyle SCY 5:08.25 RT 0.77s

28.28

30.65

31.32

31.48

31.62

31.61

31.20

31.23

31.08

29.78

Front half 153.35s · back half 154.90s

50 Backstroke SCY 31.77

15.79

15.98

Front half 15.79s · back half 15.98s

100 Backstroke SCY 1:01.07

29.60

31.47

Front half 29.60s · back half 31.47s

50 Breaststroke SCY 29.55 split/total mismatch

34.57

35.50

35.85

35.69

Front half 70.07s · back half -40.52s

100 Breaststroke SCY 1:02.11

29.31

32.80

Front half 29.31s · back half 32.80s

200 Breaststroke SCY 2:14.96

30.56

33.84

34.57

35.99

Front half 64.40s · back half 70.56s

50 Butterfly SCY 29.31

13.39

15.92

Front half 13.39s · back half 15.92s

100 Butterfly SCY 58.93

27.83

31.10

Front half 27.83s · back half 31.10s

100 Individual Medley SCY 1:06.64

13.73

17.35

19.82

15.74

Front half 31.08s · back half 35.56s

200 Individual Medley SCY 2:05.76

27.69

33.65

35.04

29.38

Front half 61.34s · back half 64.42s

400 Individual Medley SCY 4:34.90 RT 0.74s

29.71

34.53

36.68

36.00

36.70

38.08

32.07

31.13

Front half 136.92s · back half 137.98s

100 Freestyle LCM 1:01.01

29.75

31.26

Front half 29.75s · back half 31.26s

400 Freestyle LCM 4:44.95

69.71

72.35

72.10

70.79

Front half 142.06s · back half 142.89s

800 Freestyle LCM 10:00.87

71.16

75.83

75.72

76.36

76.20

76.34

76.47

72.79

Front half 299.07s · back half 301.80s

200 Backstroke LCM 2:37.39

77.59

79.80

Front half 77.59s · back half 79.80s

100 Breaststroke LCM 1:14.26

35.42

38.84

Front half 35.42s · back half 38.84s

200 Breaststroke LCM 2:43.05

78.49

84.56

Front half 78.49s · back half 84.56s

200 Individual Medley LCM 2:29.40

72.31

77.09

Front half 72.31s · back half 77.09s

400 Individual Medley LCM 5:26.51

74.15

86.35

89.89

76.12

Front half 160.50s · back half 166.01s

Reaction time

fastest 0.61s average 0.704s slowest 0.77s 19 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.

25 Freestyle SCY 12.77 11 swims

50 Freestyle SCY 24.97 20 swims

100 Freestyle SCY 53.84 16 swims

200 Freestyle SCY 1:52.76 37 swims

500 Freestyle SCY 5:08.25 17 swims

25 Backstroke SCY 18.86 2 swims

50 Backstroke SCY 31.77 6 swims

100 Backstroke SCY 1:01.07 20 swims

200 Backstroke SCY 2:15.50 5 swims

25 Breaststroke SCY 22.19 2 swims

50 Breaststroke SCY 29.55 14 swims

100 Breaststroke SCY 1:02.11 47 swims

200 Breaststroke SCY 2:14.96 31 swims

25 Butterfly SCY 18.67 4 swims

50 Butterfly SCY 29.31 7 swims

100 Butterfly SCY 58.93 23 swims

100 Individual Medley SCY 1:06.64 8 swims

200 Individual Medley SCY 2:05.76 31 swims

400 Individual Medley SCY 4:34.90 6 swims

50 Freestyle LCM 29.08 9 swims

100 Freestyle LCM 1:01.01 9 swims

200 Freestyle LCM 2:15.22 8 swims

400 Freestyle LCM 4:44.95 2 swims

800 Freestyle LCM 10:00.87 2 swims

100 Backstroke LCM 1:13.15 9 swims

200 Backstroke LCM 2:37.39 3 swims

50 Breaststroke LCM 35.68 4 swims

100 Breaststroke LCM 1:14.26 11 swims

200 Breaststroke LCM 2:43.05 12 swims

100 Butterfly LCM 1:11.98 7 swims

200 Individual Medley LCM 2:29.40 15 swims

400 Individual Medley LCM 5:26.51 2 swims