Joshua Nelson

Mage 19COMTPNUTACESDSAHRA

677 plausible swims · 115 meets · 2016-04-30 → 2025-07-26

Personal records

Event	Course	Best	Date	Meet
50 Freestyle	SCY	23.27	2024-01-12	2024 PN VAST 47th Annual Washington Open venue
100 Freestyle	SCY	50.64	2024-01-14	2024 PN VAST 47th Annual Washington Open venue
200 Freestyle	SCY	1:55.98	2023-10-15	2023 CO FST Swim Pink venue
500 Freestyle	SCY	5:17.11	2023-10-13	2023 CO FST Swim Pink venue
1650 Freestyle	SCY	19:02.65	2023-12-23	2023 CO DSA Brute Squad venue
50 Backstroke	SCY	32.83	2018-11-03	2018 CO ACES High Point Invite venue
100 Backstroke	SCY	54.78	2024-01-14	2024 PN VAST 47th Annual Washington Open venue
200 Backstroke	SCY	1:57.17	2024-04-03	2024 Western Zone SCY Senior Zones fast pool
25 Breaststroke	SCY	13.37	2023-12-29	2023 CO ACES Sprint Eliminator venue
50 Breaststroke	SCY	29.59	2023-12-29	2023 CO ACES Sprint Eliminator venue
100 Breaststroke	SCY	59.21	2024-01-13	2024 PN VAST 47th Annual Washington Open venue
200 Breaststroke	SCY	2:08.01	2024-04-05	2024 Western Zone SCY Senior Zones fast pool
50 Butterfly	SCY	33.48	2018-02-18	2018 CO ACES Winter Open venue
100 Butterfly	SCY	58.87	2023-10-15	2023 CO FST Swim Pink venue
200 Butterfly	SCY	2:21.19	2023-12-23	2023 CO DSA Brute Squad venue
100 Individual Medley	SCY	57.86	2023-12-29	2023 CO ACES Sprint Eliminator venue
200 Individual Medley	SCY	1:58.76	2024-01-12	2024 PN VAST 47th Annual Washington Open venue
400 Individual Medley	SCY	4:13.27	2024-01-13	2024 PN VAST 47th Annual Washington Open venue
100 Backstroke	SCM	1:14.90	2020-12-22	2020 CO ACES vs MACS Dual venue
50 Freestyle	LCM	25.66	2025-06-11	2025 CO HRA Sprint Eliminator venue
100 Freestyle	LCM	1:00.30	2023-05-21	2023 CO ACES Spring Invite venue
200 Freestyle	LCM	2:12.00	2023-07-08	2023 CO Zone 2 VMAC venue
400 Freestyle	LCM	4:29.07	2025-06-27	2025 CO Zone 2 DU Meet venue
1500 Freestyle	LCM	18:55.88	2023-07-09	2023 CO Zone 2 VMAC venue
50 Backstroke	LCM	28.69	2025-06-11	2025 CO HRA Sprint Eliminator venue
100 Backstroke	LCM	1:02.20	2025-06-20	2025 CO ACES Summer Invite venue
200 Backstroke	LCM	2:16.28	2024-08-01	WZ LCM Senior Champs 2024 venue
50 Breaststroke	LCM	30.17	2025-07-26	USA Swimming Futures Sacramento 2025 venue
100 Breaststroke	LCM	1:05.91	2025-07-25	Futures Time Trials 2025 venue
200 Breaststroke	LCM	2:24.77	2025-07-25	USA Swimming Futures Sacramento 2025 venue
50 Butterfly	LCM	28.51	2025-06-11	2025 CO HRA Sprint Eliminator venue
100 Butterfly	LCM	1:07.72	2023-07-08	2023 CO Zone 2 VMAC venue
200 Butterfly	LCM	3:26.63	2019-06-23	2019 CO FLFN Long Course Open venue
200 Individual Medley	LCM	2:15.69	2024-08-03	WZ LCM Senior Champs 2024 venue
400 Individual Medley	LCM	4:51.30	2024-08-01	GroupB - WZ LCM Senior Champs 2024 venue

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	23.07	flying	200 Free Relay (leg 2)	2024-04-04	2024 Western Zone SCY Senior Zones
50 Breaststroke	SCY	27.54	flying	200 Medley Relay (leg 2)	2024-04-03	2024 Western Zone SCY Senior Zones
50 Butterfly	SCY	37.61	flying	200 Medley Relay (leg 3)	2016-12-02	2016 CO CSI Pioneer Open
200 Freestyle	LCM	1:59.94	flying	800 Free Relay (leg 4)	2025-07-24	USA Swimming Futures Sacramento 2025
50 Breaststroke	LCM	30.18	flying	200 Medley Relay (leg 2)	2025-07-23	USA Swimming Futures Sacramento 2025
100 Breaststroke	LCM	1:06.12	flying	400 Medley Relay (leg 2)	2025-07-26	USA Swimming Futures Sacramento 2025

Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.

PR splits

100 Freestyle SCY 50.64 RT 0.45s

24.17

26.47

Front half 24.17s · back half 26.47s

200 Freestyle SCY 1:55.98

26.19

29.26

30.25

30.28

Front half 55.45s · back half 60.53s

500 Freestyle SCY 5:17.11

27.55

30.60

31.10

32.00

32.37

163.49

Front half 89.25s · back half 227.86s

1650 Freestyle SCY 19:02.65

30.04

33.89

34.43

34.27

34.81

35.13

35.19

35.48

35.30

35.55

35.84

35.42

35.01

34.42

35.20

34.25

34.99

34.51

35.08

35.01

34.34

34.49

34.29

34.81

34.22

34.92

34.72

34.81

34.48

34.58

34.90

33.78

100 Backstroke SCY 54.78 RT 0.65s

26.44

28.34

Front half 26.44s · back half 28.34s

200 Backstroke SCY 1:57.17

27.17

29.44

30.15

30.41

Front half 56.61s · back half 60.56s

50 Breaststroke SCY 29.59

13.83

15.76

Front half 13.83s · back half 15.76s

100 Breaststroke SCY 59.21 RT 0.43s

28.12

31.09

Front half 28.12s · back half 31.09s

200 Breaststroke SCY 2:08.01

28.59

32.35

33.40

33.67

Front half 60.94s · back half 67.07s

100 Butterfly SCY 58.87

28.21

30.66

Front half 28.21s · back half 30.66s

200 Butterfly SCY 2:21.19

30.28

35.40

39.05

36.46

Front half 65.68s · back half 75.51s

100 Individual Medley SCY 57.86

7.94

4.32

45.60

200 Individual Medley SCY 1:58.76 RT 0.47s

26.18

29.86

34.04

28.68

Front half 56.04s · back half 62.72s

400 Individual Medley SCY 4:13.27 RT 0.46s

27.17

31.95

32.96

32.18

34.56

35.17

30.33

28.95

Front half 124.26s · back half 129.01s

200 Freestyle LCM 2:12.00

29.67

33.44

34.71

34.18

Front half 63.11s · back half 68.89s

400 Freestyle LCM 4:29.07

28.98

32.56

33.52

34.35

34.99

35.03

35.38

34.26

Front half 129.41s · back half 139.66s

1500 Freestyle LCM 18:55.88

31.85

35.85

36.54

37.13

37.51

37.37

37.94

37.79

38.22

38.31

39.02

38.63

38.75

39.10

39.51

39.32

39.28

39.35

38.95

37.56

37.96

38.55

38.76

38.18

38.85

38.13

38.34

37.59

37.37

34.17

Front half 563.52s · back half 572.36s

100 Backstroke LCM 1:02.20

29.64

32.56

Front half 29.64s · back half 32.56s

200 Backstroke LCM 2:16.28

31.28

34.28

35.67

35.05

Front half 65.56s · back half 70.72s

100 Breaststroke LCM 1:05.91

30.56

35.35

Front half 30.56s · back half 35.35s

200 Breaststroke LCM 2:24.77

31.56

36.40

38.16

38.65

Front half 67.96s · back half 76.81s

100 Butterfly LCM 1:07.72

31.46

36.26

Front half 31.46s · back half 36.26s

200 Butterfly LCM 3:26.63

43.75

52.29

55.71

54.88

Front half 96.04s · back half 110.59s

200 Individual Medley LCM 2:15.69

29.63

34.67

40.08

31.31

Front half 64.30s · back half 71.39s

400 Individual Medley LCM 4:51.30

67.85

76.00

79.10

34.86

33.49

Reaction time

fastest 0.43s average 0.581s slowest 0.97s 15 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 23.27 22 swims

100 Freestyle SCY 50.64 24 swims

200 Freestyle SCY 1:55.98 4 swims

500 Freestyle SCY 5:17.11 7 swims

1650 Freestyle SCY 19:02.65 1 swim

50 Backstroke SCY 32.83 15 swims

100 Backstroke SCY 54.78 38 swims

200 Backstroke SCY 1:57.17 27 swims

25 Breaststroke SCY 13.37 2 swims

50 Breaststroke SCY 29.59 19 swims

100 Breaststroke SCY 59.21 57 swims

200 Breaststroke SCY 2:08.01 41 swims

50 Butterfly SCY 33.48 5 swims

100 Butterfly SCY 58.87 14 swims

200 Butterfly SCY 2:21.19 6 swims

100 Individual Medley SCY 57.86 12 swims

200 Individual Medley SCY 1:58.76 33 swims

400 Individual Medley SCY 4:13.27 16 swims

100 Backstroke SCM 1:14.90 2 swims

50 Freestyle LCM 25.66 33 swims

100 Freestyle LCM 1:00.30 11 swims

200 Freestyle LCM 2:12.00 9 swims

400 Freestyle LCM 4:29.07 7 swims

1500 Freestyle LCM 18:55.88 1 swim

50 Backstroke LCM 28.69 27 swims

100 Backstroke LCM 1:02.20 34 swims

200 Backstroke LCM 2:16.28 29 swims

50 Breaststroke LCM 30.17 32 swims

100 Breaststroke LCM 1:05.91 50 swims

200 Breaststroke LCM 2:24.77 43 swims

50 Butterfly LCM 28.51 9 swims

100 Butterfly LCM 1:07.72 10 swims

200 Butterfly LCM 3:26.63 3 swims

200 Individual Medley LCM 2:15.69 22 swims

400 Individual Medley LCM 4:51.30 12 swims