Thomas Senfield

Mage 18EZNCVASRVA

452 plausible swims · 65 meets · 2019-10-12 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.36	A+0.67s to AA	2021-12-05	2021 VA VSTP Icebreaker Invitational venue
100 Freestyle	SCY	50.56	A+0.67s to AA	2021-12-04	2021 VA VSTP Icebreaker Invitational venue
200 Freestyle	SCY	1:43.45	AAA+2.86s to AAAA	2026-03-06	2026 VSI SC Senior Championships venue
500 Freestyle	SCY	4:32.03	AAAA	2025-12-12	2025 East Coast WinterFest venue
1000 Freestyle	SCY	9:18.96	AAAA	2025-12-11	2025 East Coast WinterFest
1650 Freestyle	SCY	15:30.74	AAAA	2025-12-11	2025 East Coast WinterFest venue
50 Backstroke	SCY	26.72	BB+0.23s to A	2025-11-23	Bass Turkey Classic 2025 venue
100 Backstroke	SCY	51.90	AA+0.31s to AAA	2025-12-12	2025 East Coast WinterFest venue
200 Backstroke	SCY	1:51.23	AAA+2.94s to AAAA	2026-03-08	2026 VSI SC Senior Championships venue
50 Breaststroke	SCY	30.71	BB+0.12s to A	2025-11-22	Bass Turkey Classic 2025 venue
100 Breaststroke	SCY	1:00.51	AA+1.62s to AAA	2026-01-19	GSA January Jump Start 2026 venue
200 Breaststroke	SCY	2:11.40	AA+3.41s to AAA	2023-03-04	2023 VSI SC Senior Championships venue
50 Butterfly	SCY	28.95	B+0.26s to BB	2020-02-14	Central District 9-12 Year Old Championship slow pool
100 Butterfly	SCY	52.54	AA+0.95s to AAA	2026-01-18	GSA January Jump Start 2026 venue
200 Butterfly	SCY	1:52.38	AAA+1.69s to AAAA	2026-01-17	GSA January Jump Start 2026 venue
100 Individual Medley	SCY	56.52		2022-03-26	2022 VA SRVA Shamrock Showdown venue
200 Individual Medley	SCY	1:54.17	AAA+3.28s to AAAA	2026-03-08	2026 VSI SC Senior Championships venue
400 Individual Medley	SCY	3:57.78	AAAA	2026-01-16	GSA January Jump Start 2026 venue
50 Freestyle	LCM	27.31	A+1.02s to AA	2022-06-05	2022 VA Storm Surge Open venue
100 Freestyle	LCM	59.36	A+1.67s to AA	2024-06-30	NOVA Firecracker Classic slow pool
200 Freestyle	LCM	2:02.61	AA+1.92s to AAA	2026-06-13	2026 SwimRVA Summer Invitational fast pool
400 Freestyle	LCM	4:19.14	AA+1.85s to AAA	2026-06-14	2026 SwimRVA Summer Invitational fast pool
800 Freestyle	LCM	8:51.44	AAA+17.15s to AAAA	2026-05-17	2026 EZ LC Speedo Super Sectionals venue
1500 Freestyle	LCM	16:56.32	AAA+32.23s to AAAA	2026-06-12	2026 SwimRVA Summer Invitational fast pool
50 Backstroke	LCM	30.21	AA+0.92s to AAA	2023-06-16	SwimRVA Summer Invitational venue
100 Backstroke	LCM	1:03.28	AA+1.89s to AAA	2024-07-20	2024 VA LC Senior Champs venue
200 Backstroke	LCM	2:13.36	AAA+5.67s to AAAA	2024-07-21	2024 VA LC Senior Champs venue
50 Breaststroke	LCM	34.72	A+1.03s to AA	2022-06-17	2022 VA SwimRVA Summer Invitational venue
100 Breaststroke	LCM	1:15.72	BB+1.03s to A	2023-04-23	2023 SRVA Long Course Kickoff slow pool
200 Breaststroke	LCM	2:36.94	A+0.45s to AA	2023-07-16	2023 VA LC Senior Champs venue
50 Butterfly	LCM	29.63	A+1.04s to AA	2022-06-17	2022 VA SwimRVA Summer Invitational venue
100 Butterfly	LCM	1:03.84	A+2.25s to AA	2024-06-30	NOVA Firecracker Classic slow pool
200 Butterfly	LCM	2:23.24	A+5.35s to AA	2024-06-14	SwimRVA Summer Invitational venue
200 Individual Medley	LCM	2:17.53	AA+1.84s to AAA	2026-06-14	2026 SwimRVA Summer Invitational fast pool
400 Individual Medley	LCM	4:47.47	AAA+9.18s to AAAA	2024-07-19	2024 VA LC Senior Champs 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	24.27	flat	200 Free Relay	2022-01-09	2022 Gator Winter Splash
200 Freestyle	SCY	1:48.50	flat	800 Free Relay	2022-03-10	2022 VA SC Age Group Champs
100 Freestyle	LCM	58.41	flying	400 Free Relay (leg 3)	2024-05-17	2024 EZ LC Speedo Super Sectional
200 Freestyle	LCM	2:05.79	flat	800 Free Relay	2024-05-18	2024 EZ LC Speedo Super Sectional
200 Freestyle	LCM	2:00.96	flying	800 Free Relay (leg 3)	2026-05-16	2026 EZ LC Speedo Super Sectionals

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

5551 points (6/6 events)

Event	Time	Points
500 FR SCY	4:32.03	1003
200 BK SCY	1:51.23	912
200 BR SCY	2:11.40	794
200 FL SCY	1:52.38	932
200 IM SCY	1:54.17	908
400 IM SCY	3:57.78	1002

IMR 17-18 · SCY

4258 points (5/5 events)

Event	Time	Points
200 FR SCY	1:43.45	908
100 BK SCY	51.90	835
100 BR SCY	1:00.51	792
100 FL SCY	52.54	815
200 IM SCY	1:54.17	908

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

PR splits

100 Freestyle SCY 50.56

24.26

26.30

Front half 24.26s · back half 26.30s

200 Freestyle SCY 1:43.45

24.17

26.28

26.43

26.57

Front half 50.45s · back half 53.00s

500 Freestyle SCY 4:32.03

24.72

27.02

27.31

27.55

27.61

27.30

27.51

27.69

27.83

27.49

Front half 134.21s · back half 137.82s

1650 Freestyle SCY 15:30.74

24.95

27.44

27.61

27.94

28.00

28.02

28.10

28.04

27.88

27.90

28.02

28.06

28.24

28.16

28.22

28.32

28.58

28.49

28.54

28.45

28.42

28.60

28.66

28.63

28.87

28.81

28.75

28.95

28.73

28.79

28.58

28.46

27.53

100 Backstroke SCY 51.90

25.00

26.90

Front half 25.00s · back half 26.90s

200 Backstroke SCY 1:51.23

25.96

27.88

28.77

28.62

Front half 53.84s · back half 57.39s

100 Breaststroke SCY 1:00.51

28.40

32.11

Front half 28.40s · back half 32.11s

200 Breaststroke SCY 2:11.40

29.66

33.25

34.18

34.31

Front half 62.91s · back half 68.49s

100 Butterfly SCY 52.54

24.58

27.96

Front half 24.58s · back half 27.96s

200 Butterfly SCY 1:52.38

25.12

28.46

29.14

29.66

Front half 53.58s · back half 58.80s

100 Individual Medley SCY 56.52

26.38

30.14

Front half 26.38s · back half 30.14s

200 Individual Medley SCY 1:54.17

25.12

28.67

33.54

26.84

Front half 53.79s · back half 60.38s

400 Individual Medley SCY 3:57.78

24.88

28.12

30.29

29.51

34.07

34.58

28.34

27.99

Front half 112.80s · back half 124.98s

100 Freestyle LCM 59.36

28.69

30.67

Front half 28.69s · back half 30.67s

200 Freestyle LCM 2:02.61

28.46

31.51

31.63

31.01

Front half 59.97s · back half 62.64s

400 Freestyle LCM 4:19.14

61.39

66.49

66.83

64.43

Front half 127.88s · back half 131.26s

800 Freestyle LCM 8:51.44

29.46

32.59

33.16

33.24

33.43

33.48

33.78

33.68

33.94

33.80

33.78

33.63

33.92

33.55

33.62

32.38

Front half 262.82s · back half 268.62s

1500 Freestyle LCM 16:56.32

29.87

32.49

33.09

32.93

33.20

33.04

33.76

33.55

33.70

34.03

33.98

33.89

34.28

33.92

34.47

34.46

34.39

34.59

34.50

34.90

34.48

34.56

34.74

34.60

35.03

34.69

34.45

34.79

34.25

31.69

Front half 500.20s · back half 516.12s

100 Backstroke LCM 1:03.28

30.43

32.85

Front half 30.43s · back half 32.85s

200 Backstroke LCM 2:13.36

31.26

33.38

34.65

34.07

Front half 64.64s · back half 68.72s

100 Breaststroke LCM 1:15.72

35.85

39.87

Front half 35.85s · back half 39.87s

200 Breaststroke LCM 2:36.94 RT 0.71s

35.66

39.79

40.95

40.54

Front half 75.45s · back half 81.49s

100 Butterfly LCM 1:03.84

29.67

34.17

Front half 29.67s · back half 34.17s

200 Butterfly LCM 2:23.24

32.07

36.14

37.27

37.76

Front half 68.21s · back half 75.03s

200 Individual Medley LCM 2:17.53

29.56

34.61

41.44

31.92

Front half 64.17s · back half 73.36s

400 Individual Medley LCM 4:47.47

30.04

34.30

36.98

36.06

42.31

42.50

33.17

32.11

Front half 137.38s · back half 150.09s

Reaction time

fastest 0.65s average 0.714s slowest 0.78s 9 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 23.36 20 swims

100 Freestyle SCY 50.56 23 swims

200 Freestyle SCY 1:43.45 23 swims

500 Freestyle SCY 4:32.03 23 swims

1000 Freestyle SCY 9:18.96 10 swims

1650 Freestyle SCY 15:30.74 10 swims

50 Backstroke SCY 26.72 4 swims

100 Backstroke SCY 51.90 22 swims

200 Backstroke SCY 1:51.23 24 swims

50 Breaststroke SCY 30.71 9 swims

100 Breaststroke SCY 1:00.51 25 swims

200 Breaststroke SCY 2:11.40 25 swims

50 Butterfly SCY 28.95 2 swims

100 Butterfly SCY 52.54 13 swims

200 Butterfly SCY 1:52.38 10 swims

100 Individual Medley SCY 56.52 7 swims

200 Individual Medley SCY 1:54.17 30 swims

400 Individual Medley SCY 3:57.78 28 swims

50 Freestyle LCM 27.31 5 swims

100 Freestyle LCM 59.36 7 swims

200 Freestyle LCM 2:02.61 13 swims

400 Freestyle LCM 4:19.14 11 swims

800 Freestyle LCM 8:51.44 5 swims

1500 Freestyle LCM 16:56.32 3 swims

50 Backstroke LCM 30.21 3 swims

100 Backstroke LCM 1:03.28 11 swims

200 Backstroke LCM 2:13.36 26 swims

50 Breaststroke LCM 34.72 3 swims

100 Breaststroke LCM 1:15.72 7 swims

200 Breaststroke LCM 2:36.94 10 swims

50 Butterfly LCM 29.63 2 swims

100 Butterfly LCM 1:03.84 3 swims

200 Butterfly LCM 2:23.24 2 swims

200 Individual Medley LCM 2:17.53 14 swims

400 Individual Medley LCM 4:47.47 14 swims