Nathan Castellanos

Mage 11GUSTMAC

174 plausible swims · 26 meets · 2024-01-20 → 2026-06-26

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 28.28 AA+0.69s to AAA 2026-02-20 2026 Gulf 12 & Under Championships
100 Freestyle SCY 1:02.72 A+0.23s to AA 2026-02-20 2026 Gulf 12 & Under Championships
200 Freestyle SCY 2:15.86 AA+4.97s to AAA 2026-02-20 2026 Gulf 12 & Under Championships
500 Freestyle SCY 6:18.49 A+11.90s to AA 2025-11-14 MAC 2025 Great Goggled Gobbler Classic Meet
1000 Freestyle SCY 12:36.89 AA+19.30s to AAA 2025-11-14 MAC 2025 Great Goggled Gobbler Classic Meet
50 Backstroke SCY 34.25 A+0.86s to AA 2026-01-09 MAC 2026 Neon New Year Meet
100 Backstroke SCY 1:11.65 AA+3.06s to AAA 2025-12-19 Gulf Fall Championships
200 Backstroke SCY 2:30.87 AA+3.48s to AAA 2026-02-20 2026 Gulf 12 & Under Championships
50 Breaststroke SCY 38.44 A+0.75s to AA 2025-12-19 Gulf Fall Championships
100 Breaststroke SCY 1:23.73 A+2.54s to AA 2026-01-09 MAC 2026 Neon New Year Meet
200 Breaststroke SCY 2:58.48 A+2.49s to AA 2026-02-20 2026 Gulf 12 & Under Championships
50 Butterfly SCY 33.63 A+1.54s to AA 2025-11-14 MAC 2025 Great Goggled Gobbler Classic Meet
100 Butterfly SCY 1:26.20 B+3.21s to BB 2025-10-10 MAC 2025 Oct Trick or Treat Kick Your Feet
200 Butterfly SCY 2:54.20 BB+9.81s to A 2026-02-20 2026 Gulf 12 & Under Championships
100 Individual Medley SCY 1:12.16 A+0.07s to AA 2026-02-20 2026 Gulf 12 & Under Championships
200 Individual Medley SCY 2:38.51 A+2.02s to AA 2026-02-20 2026 Gulf 12 & Under Championships
50 Freestyle LCM 32.55 AA+1.16s to AAA 2026-06-26 2026 Fleet Last Chance Meet
100 Freestyle LCM 1:11.53 AA+2.54s to AAA 2026-04-17 2026 Aggieland April Long Course Invitational
200 Freestyle LCM 2:32.03 AA+2.94s to AAA 2026-04-17 2026 Aggieland April Long Course Invitational
400 Freestyle LCM 5:28.44 AA+12.75s to AAA 2026-04-17 2026 Aggieland April Long Course Invitational
1500 Freestyle LCM 21:16.63 AAA+43.34s to AAAA 2026-05-09 2026 FLEET Distance Challenge
50 Backstroke LCM 37.52 AA+0.83s to AAA 2026-04-17 2026 Aggieland April Long Course Invitational
100 Backstroke LCM 1:21.07 AA+1.08s to AAA 2026-06-26 2026 Fleet Last Chance Meet
200 Backstroke LCM 2:57.28 AA+6.79s to AAA 2026-05-15 2026 Fleet Summer Classic
50 Breaststroke LCM 47.78 BB+2.79s to A 2025-07-18 2025 Texas Age Group Championships fast pool
100 Breaststroke LCM 1:35.56 A+0.77s to AA 2026-04-17 2026 Aggieland April Long Course Invitational
50 Butterfly LCM 36.26 A+0.07s to AA 2025-05-16 2025 Fleet Summer Classic
100 Butterfly LCM 1:41.62 B+6.63s to BB 2025-06-27 2025 Fleet Last Chance
200 Butterfly LCM 3:14.37 BB+4.68s to A 2026-06-26 2026 Fleet Last Chance Meet
200 Individual Medley LCM 2:56.15 AA+5.26s to AAA 2026-05-15 2026 Fleet Summer Classic

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.

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

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 33.23 flying 200 Free Relay (leg 4) 2025-02-22 MAC Hosted 2025 Gulf 12 & Under Champs
50 Backstroke SCY 44.21 flat 200 Medley Relay 2024-01-20 MAC Neon New Year Open Meet
50 Breaststroke SCY 44.76 flying 200 Medley Relay (leg 2) 2024-07-21 2024 LSST GULF B & Under Champs

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 · LCM

2797 points (5/5 events)

EventTime Points
400 FR LCM 5:28.44 659
100 BK LCM 1:21.07 654
100 BR LCM 1:35.56 564
100 FL LCM 1:41.62 296
200 IM LCM 2:56.15 624

IMR 11-12 · LCM

2981 points (5/5 events)

EventTime Points
200 FR LCM 2:32.03 690
50 BK LCM 37.52 655
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 2:15.86 split/total mismatch

31.49
34.49
36.05
33.83

500 Freestyle SCY 6:18.49 split/total mismatch

33.69
38.06
37.97
38.09
38.39
38.11
38.42
38.78
39.05
37.93

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 1:11.65 split/total mismatch

34.73
2.19

Front half 34.73s · back half 36.92s

200 Backstroke SCY 2:30.87 split/total mismatch

35.70
38.82
38.94
37.41

100 Breaststroke SCY 1:23.73 split/total mismatch

39.27
5.19

Front half 39.27s · back half 44.46s

200 Breaststroke SCY 2:58.48 split/total mismatch

41.61
46.51
46.78
43.58

100 Butterfly SCY 1:26.20 split/total mismatch

39.19
7.82

Front half 39.19s · back half 47.01s

200 Butterfly SCY 2:54.20 split/total mismatch

38.73
44.37
45.72
45.38

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 2:38.51 split/total mismatch

34.32
38.44
49.38
36.37

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.

Progression

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

50 Freestyle SCY 28.28 13 swims
100 Freestyle SCY 1:02.72 9 swims
200 Freestyle SCY 2:15.86 9 swims
500 Freestyle SCY 6:18.49 5 swims
1000 Freestyle SCY 12:36.89 1 swim
50 Backstroke SCY 34.25 9 swims
100 Backstroke SCY 1:11.65 7 swims
200 Backstroke SCY 2:30.87 4 swims
50 Breaststroke SCY 38.44 10 swims
100 Breaststroke SCY 1:23.73 14 swims
200 Breaststroke SCY 2:58.48 3 swims
50 Butterfly SCY 33.63 10 swims
100 Butterfly SCY 1:26.20 9 swims
200 Butterfly SCY 2:54.20 3 swims
100 Individual Medley SCY 1:12.16 7 swims
200 Individual Medley SCY 2:38.51 5 swims
50 Freestyle LCM 32.55 2 swims
100 Freestyle LCM 1:11.53 5 swims
200 Freestyle LCM 2:32.03 4 swims
400 Freestyle LCM 5:28.44 6 swims
1500 Freestyle LCM 21:16.63 1 swim
50 Backstroke LCM 37.52 7 swims
100 Backstroke LCM 1:21.07 10 swims
200 Backstroke LCM 2:57.28 1 swim
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