Shelby Acosta

Fage 12CASMSC

59 plausible swims · 11 meets · 2025-03-01 → 2026-06-20

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 31.74 B+0.05s to BB 2026-02-28 SMSC 2026 Winter BB Championships venue
100 Freestyle SCY 1:09.77 B+0.38s to BB 2026-01-31 2026 CA AGAC Winterfest Classic venue
200 Freestyle SCY 2:29.81 BB+9.82s to A 2026-02-01 2026 CA AGAC Winterfest Classic venue
500 Freestyle SCY 6:32.50 BB+17.61s to A 2026-02-01 2026 CA AGAC Winterfest Classic venue
1650 Freestyle SCY 23:04.24 BB+92.15s to A 2026-01-30 2026 CA AGAC Winterfest Classic venue
50 Backstroke SCY 42.37 +3.58s to B 2025-10-11 SMSC 47th Fall Invite venue
100 Backstroke SCY 1:32.64 +6.05s to B 2025-12-07 2025 CA LTA Toys for Tots Meet venue
50 Breaststroke SCY 41.55 B+0.66s to BB 2026-02-01 2026 CA AGAC Winterfest Classic venue
100 Breaststroke SCY 1:31.56 B+2.17s to BB 2026-01-31 2026 CA AGAC Winterfest Classic venue
50 Butterfly SCY 43.74 +6.75s to B 2025-10-12 SMSC 47th Fall Invite venue
100 Butterfly SCY 1:34.54 +8.45s to B 2025-12-06 2025 CA LTA Toys for Tots Meet venue
100 Individual Medley SCY 1:21.92 B+2.73s to BB 2026-01-30 2026 CA AGAC Winterfest Classic venue
200 Individual Medley SCY 2:58.19 B+7.40s to BB 2026-02-01 2026 CA AGAC Winterfest Classic venue
50 Freestyle LCM 37.12 B+1.13s to BB 2026-04-18 2026 SLOS Spring Quadrathlon Challenge fast pool
100 Freestyle LCM 1:18.51 BB+5.02s to A 2026-06-20 2026 SLOS Firecracker Invitational venue
200 Freestyle LCM 2:55.60 B+2.11s to BB 2026-04-18 2026 SLOS Spring Quadrathlon Challenge fast pool
400 Freestyle LCM 5:57.70 BB+20.91s to A 2026-06-20 2026 SLOS Firecracker Invitational venue
1500 Freestyle LCM 23:41.02 BB+71.83s to A 2026-06-19 2026 SLOS Firecracker Invitational venue
50 Backstroke LCM 47.68 +2.79s to B 2026-04-18 2026 SLOS Spring Quadrathlon Challenge fast pool
50 Breaststroke LCM 48.33 B+2.14s to BB 2026-04-18 2026 SLOS Spring Quadrathlon Challenge fast pool
100 Breaststroke LCM 1:44.22 B+2.03s to BB 2026-06-20 2026 SLOS Firecracker Invitational venue
50 Butterfly LCM 59.74 +17.95s to B 2025-05-17 SMSC 2025 MayDay LCM Arena Invitational slow pool
200 Individual Medley LCM 3:20.05 B+4.26s to BB 2026-06-20 2026 SLOS Firecracker Invitational venue

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

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.

IMX / IMR

IMX 11-12 · SCY

2108 points (5/5 events)

EventTime Points
500 FR SCY 6:32.50 581
100 BK SCY 1:32.64 309
100 BR SCY 1:31.56 476
100 FL SCY 1:34.54 279
200 IM SCY 2:58.19 463

IMR 11-12 · SCY

2088 points (5/5 events)

EventTime Points
200 FR SCY 2:29.81 538
50 BK SCY 42.37 323
50 BR SCY 41.55 500
50 FL SCY 43.74 253
100 IM SCY 1:21.92 474

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

PR splits

100 Freestyle SCY 1:09.77

32.10
37.67

Front half 32.10s · back half 37.67s

500 Freestyle SCY 6:32.50

33.30
37.29
39.51
39.71
40.65
40.20
40.87
41.53
40.80
38.64

Front half 190.46s · back half 202.04s

1650 Freestyle SCY 23:04.24 RT 0.85s

35.59
40.15
41.89
40.75
40.19
42.28
43.32
41.93
41.02
40.19
42.02
85.17
43.48
43.21
43.01
42.95
42.48
43.15
43.85
87.91
43.12
44.09
42.08
42.13
41.62
42.88
43.15
41.71
41.46
38.49
38.97

100 Backstroke SCY 1:32.64

44.22
48.42

Front half 44.22s · back half 48.42s

100 Breaststroke SCY 1:31.56

42.03
49.53

Front half 42.03s · back half 49.53s

100 Butterfly SCY 1:34.54

41.88
52.66

Front half 41.88s · back half 52.66s

100 Individual Medley SCY 1:21.92

38.55
43.37

Front half 38.55s · back half 43.37s

200 Individual Medley SCY 2:58.19

39.53
48.07
52.14
38.45

Front half 87.60s · back half 90.59s

100 Freestyle LCM 1:18.51

36.76
41.75

Front half 36.76s · back half 41.75s

200 Freestyle LCM 2:55.60

84.37
91.23

Front half 84.37s · back half 91.23s

400 Freestyle LCM 5:57.70

39.52
45.08
45.98
46.69
46.98
47.29
45.19
40.97

Front half 177.27s · back half 180.43s

1500 Freestyle LCM 23:41.02

38.96
43.88
47.30
45.68
48.26
45.27
48.40
46.76
47.16
43.84
49.49
44.35
49.70
46.40
47.72
46.25
47.55
46.54
49.56
47.38
50.07
48.71
51.67
49.52
50.46
47.55
50.45
49.46
47.49
45.19

Front half 693.17s · back half 727.85s

100 Breaststroke LCM 1:44.22

48.58
55.64

Front half 48.58s · back half 55.64s

200 Individual Medley LCM 3:20.05

48.88
54.65
55.90
40.62

Front half 103.53s · back half 96.52s

Reaction time

fastest 0.85s average 0.850s slowest 0.85s 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 31.74 5 swims
100 Freestyle SCY 1:09.77 4 swims
200 Freestyle SCY 2:29.81 6 swims
500 Freestyle SCY 6:32.50 3 swims
1650 Freestyle SCY 23:04.24 2 swims
50 Backstroke SCY 42.37 2 swims
100 Backstroke SCY 1:32.64 2 swims
50 Breaststroke SCY 41.55 3 swims
100 Breaststroke SCY 1:31.56 6 swims
50 Butterfly SCY 43.74 2 swims
100 Butterfly SCY 1:34.54 1 swim
100 Individual Medley SCY 1:21.92 4 swims
200 Individual Medley SCY 2:58.19 3 swims
50 Freestyle LCM 37.12 1 swim
100 Freestyle LCM 1:18.51 2 swims
200 Freestyle LCM 2:55.60 2 swims
400 Freestyle LCM 5:57.70 3 swims
1500 Freestyle LCM 23:41.02 1 swim
50 Backstroke LCM 47.68 2 swims
50 Breaststroke LCM 48.33 2 swims
100 Breaststroke LCM 1:44.22 1 swim
50 Butterfly LCM 59.74 1 swim
200 Individual Medley LCM 3:20.05 1 swim