Nathan Castellanos

Mage 12GUSTMAC

174 plausible swims · 28 meets · 2024-01-20 → 2026-10-09

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	28.28	BB+0.19s to A·+5.99s to Sectionals	2026-02-20	2026 Gulf 12 & Under Championships
100 Freestyle	SCY	1:02.72	BB+1.43s to A·+14.43s to Sectionals	2026-02-20	2026 Gulf 12 & Under Championships
200 Freestyle	SCY	2:12.19	A+4.00s to AA·+26.40s to Sectionals	2026-10-09	MAC 2026 Oct Trick or Treat Kick Your Feet
500 Freestyle	SCY	5:40.86	AA+10.87s to AAA·+54.77s to Sectionals	2026-10-09	MAC 2026 Oct Trick or Treat Kick Your Feet
1000 Freestyle	SCY	12:36.89	A+31.10s to AA·+159.70s to Sectionals	2025-11-14	MAC 2025 Great Goggled Gobbler Classic Meet
50 Backstroke	SCY	34.25	BB+1.56s to A·+8.56s to Sectionals	2026-01-09	MAC 2026 Neon New Year Meet
100 Backstroke	SCY	1:08.14	A+2.15s to AA·+13.05s to Sectionals	2026-10-09	MAC 2026 Oct Trick or Treat Kick Your Feet
200 Backstroke	SCY	2:24.66	A+2.67s to AA·+22.37s to Sectionals	2026-10-09	MAC 2026 Oct Trick or Treat Kick Your Feet
50 Breaststroke	SCY	38.44	BB+1.75s to A·+8.95s to Sectionals	2025-12-19	Gulf Fall Championships
100 Breaststroke	SCY	1:16.76	A+1.87s to AA·+14.07s to Sectionals	2026-10-09	MAC 2026 Oct Trick or Treat Kick Your Feet
200 Breaststroke	SCY	2:51.67	BB+3.28s to A·+32.38s to Sectionals	2026-10-09	MAC 2026 Oct Trick or Treat Kick Your Feet
50 Butterfly	SCY	33.63	BB+2.44s to A·+9.34s to Sectionals	2025-11-14	MAC 2025 Great Goggled Gobbler Classic Meet
100 Butterfly	SCY	1:10.71	BB+1.42s to A·+18.02s to Sectionals	2026-10-09	MAC 2026 Oct Trick or Treat Kick Your Feet
200 Butterfly	SCY	2:33.13	BB+1.64s to A·+34.64s to Sectionals	2026-10-09	MAC 2026 Oct Trick or Treat Kick Your Feet
100 Individual Medley	SCY	1:12.16	BB+2.17s to A	2026-02-20	2026 Gulf 12 & Under Championships
200 Individual Medley	SCY	2:28.33	A+2.74s to AA·+28.94s to Sectionals	2026-10-09	MAC 2026 Oct Trick or Treat Kick Your Feet
50 Freestyle	LCM	32.37	BB+0.28s to A·+6.78s to Sectionals	2026-01-01	LC Gulf Age Group Champs
100 Freestyle	LCM	1:10.11	A+2.62s to AA·+14.82s to Sectionals	2026-01-01	LC Gulf Age Group Champs
200 Freestyle	LCM	2:30.98	A+3.79s to AA·+30.09s to Sectionals	2026-01-01	LC Gulf Age Group Champs
400 Freestyle	LCM	4:58.45	AAA+12.56s to AAAA·+39.36s to Sectionals	2026-01-01	LC Gulf Age Group Champs
1500 Freestyle	LCM	21:16.63	A+1.94s to AA·+242.44s to Sectionals	2026-05-09	2026 FLEET Distance Challenge
50 Backstroke	LCM	37.08	A+0.99s to AA·+6.89s to Sectionals	2026-01-01	LC Gulf Age Group Champs
100 Backstroke	LCM	1:17.53	AA+3.24s to AAA·+13.04s to Sectionals	2026-01-01	LC Gulf Age Group Champs
200 Backstroke	LCM	2:44.80	AA+5.31s to AAA·+24.11s to Sectionals	2026-01-01	LC Gulf Age Group Champs
50 Breaststroke	LCM	47.78	B+1.89s to BB·+13.59s to Sectionals	2025-07-18	2025 Texas Age Group Championships venue
100 Breaststroke	LCM	1:35.56	BB+4.27s to A·+23.17s to Sectionals	2026-04-17	2026 Aggieland April Long Course Invitational
50 Butterfly	LCM	36.26	BB+0.97s to A·+8.47s to Sectionals	2025-05-16	2025 Fleet Summer Classic
100 Butterfly	LCM	1:41.62	+6.53s to B·+41.13s to Sectionals	2025-06-27	2025 Fleet Last Chance
200 Butterfly	LCM	3:14.37	B+3.58s to BB·+56.98s to Sectionals	2026-06-26	2026 Fleet Last Chance Meet
200 Individual Medley	LCM	2:56.15	BB+1.96s to A·+38.46s to Sectionals	2026-05-15	2026 Fleet Summer Classic

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.

National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	32.60	flying	200 Free Relay (leg 4)	2025-01-12	MAC 2025 Neon New Year Meet
50 Backstroke	SCY	44.21	flat	200 Medley Relay	2024-01-20	MAC Neon New Year Open Meet
50 Breaststroke	SCY	41.91	flying	200 Medley Relay (leg 2)	2024-11-09	MAC 2024 Great Goggled Gobbler Classic Meet
50 Butterfly	SCY	23.05	flying	200 Medley Relay (leg 3)	2025-01-11	MAC 2025 Neon New Year Meet

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 11-12 · SCY

3431 points (5/5 events)

Event	Time	Points
500 FR SCY	5:40.86	789
100 BK SCY	1:08.14	665
100 BR SCY	1:16.76	688
100 FL SCY	1:10.71	583
200 IM SCY	2:28.33	706

IMR 11-12 · LCM

3019 points (5/5 events)

Event	Time	Points
200 FR LCM	2:30.98	705
50 BK LCM	37.08	678
50 BR LCM	47.78	430
50 FL LCM	36.26	582
200 IM LCM	2:56.15	624

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

PR splits

100 Freestyle SCY 1:02.72 split/total mismatch

29.60

3.52

Front half 29.60s · back half 33.12s

200 Freestyle SCY 2:12.19 split/total mismatch

29.96

33.86

34.56

33.81

500 Freestyle SCY 5:40.86 split/total mismatch

30.55

33.78

35.04

34.39

35.15

34.96

34.50

34.76

34.86

32.87

1000 Freestyle SCY 12:36.89 split/total mismatch

33.17

36.64

37.04

37.80

38.01

38.08

38.83

37.39

38.54

39.52

38.82

40.52

39.29

38.82

37.73

38.60

38.91

37.13

37.39

34.66

100 Backstroke SCY 1:08.14 split/total mismatch

33.41

1.32

Front half 33.41s · back half 34.73s

200 Backstroke SCY 2:24.66 split/total mismatch

34.42

36.58

37.15

36.51

100 Breaststroke SCY 1:16.76 split/total mismatch

36.28

4.20

Front half 36.28s · back half 40.48s

200 Breaststroke SCY 2:51.67 split/total mismatch

38.64

44.55

44.84

43.64

100 Butterfly SCY 1:10.71 split/total mismatch

32.70

5.31

Front half 32.70s · back half 38.01s

200 Butterfly SCY 2:33.13 split/total mismatch

33.63

40.64

39.42

39.44

100 Individual Medley SCY 1:12.16 split/total mismatch

33.89

4.38

Front half 33.89s · back half 38.27s

200 Individual Medley SCY 2:28.33 split/total mismatch

32.51

36.75

45.06

34.01

200 Freestyle LCM 2:30.98

73.69

77.29

Front half 73.69s · back half 77.29s

400 Freestyle LCM 4:58.45

33.61

36.79

38.48

38.02

38.50

38.22

38.14

36.69

Front half 146.90s · back half 151.55s

200 Backstroke LCM 2:44.80

80.56

84.24

Front half 80.56s · back half 84.24s

Reaction time

fastest 0.90s average 0.900s slowest 0.90s 1 electronic start

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.

Swim history

Every recorded swim, newest first

Date	Event	Course	Time	Age	Round	Meet

Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 28.28 11 swims

100 Freestyle SCY 1:02.72 7 swims

200 Freestyle SCY 2:12.19 9 swims

500 Freestyle SCY 5:40.86 6 swims

1000 Freestyle SCY 12:36.89 1 swim

50 Backstroke SCY 34.25 8 swims

100 Backstroke SCY 1:08.14 7 swims

200 Backstroke SCY 2:24.66 5 swims

50 Breaststroke SCY 38.44 9 swims

100 Breaststroke SCY 1:16.76 13 swims

200 Breaststroke SCY 2:51.67 4 swims

50 Butterfly SCY 33.63 8 swims

100 Butterfly SCY 1:10.71 8 swims

200 Butterfly SCY 2:33.13 4 swims

100 Individual Medley SCY 1:12.16 7 swims

200 Individual Medley SCY 2:28.33 5 swims

50 Freestyle LCM 32.37 3 swims

100 Freestyle LCM 1:10.11 6 swims

200 Freestyle LCM 2:30.98 5 swims

400 Freestyle LCM 4:58.45 7 swims

1500 Freestyle LCM 21:16.63 1 swim

50 Backstroke LCM 37.08 8 swims

100 Backstroke LCM 1:17.53 10 swims

200 Backstroke LCM 2:44.80 2 swims

50 Breaststroke LCM 47.78 4 swims

100 Breaststroke LCM 1:35.56 3 swims

50 Butterfly LCM 36.26 7 swims

100 Butterfly LCM 1:41.62 2 swims

200 Butterfly LCM 3:14.37 1 swim

200 Individual Medley LCM 2:56.15 3 swims