Katharine Costello

Fage 16CZMWOKEKC

39 plausible swims · 5 meets · 2023-01-13 → 2026-07-18

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 27.67 BB+0.28s to A·+2.38s to Sectionals 2023-01-14 2023 Meet of Championsvenue
100 Freestyle SCY 1:00.11 BB+0.62s to A·+5.62s to Sectionals 2024-01-12 2024 Meet of Champions
200 Freestyle SCY 2:13.19 BB+5.10s to A·+15.30s to Sectionals 2023-01-14 2023 Meet of Championsvenue
500 Freestyle SCY 6:13.14 BB+28.05s to A·+58.15s to Sectionals 2023-01-13 2023 Meet of Championsvenue
50 Breaststroke SCY 30.28 AAAA·Sectionals ✓+0.49s to Futures 2026-03-15 Region VIII Speedo Spring Sectionalsvenue
100 Breaststroke SCY 1:04.61 AAAA·Futures ✓+1.52s to Winter JNs 2026-03-14 Region VIII Speedo Spring Sectionalsvenue
200 Breaststroke SCY 2:24.62 AAA+4.03s to AAAA·Sectionals ✓+1.93s to Futures 2026-03-12 Region VIII Speedo Spring Sectionalsvenue
50 Butterfly SCY 32.20 BB+2.11s to A·+5.51s to Sectionals 2023-01-15 2023 Meet of Championsvenue
200 Individual Medley SCY 2:32.09 BB+8.70s to A·+19.10s to Sectionals 2024-01-12 2024 Meet of Champions
400 Individual Medley SCY 5:31.72 BB+24.73s to A·+47.73s to Sectionals 2024-01-12 2024 Meet of Champions
50 Breaststroke LCM 34.49 AAAA·Futures ✓+0.80s to Jr Nationals 2026-07-18 Speedo Summer Sectionals - Central Zone Southvenue
100 Breaststroke LCM 1:16.53 AAA+2.14s to AAAA·Sectionals ✓+0.54s to Futures 2026-07-17 Speedo Summer Sectionals - Central Zone Southvenue
200 Individual Medley LCM 2:35.85 AA+5.16s to AAA·+4.56s to Sectionals 2026-07-18 Speedo Summer Sectionals - Central Zone Southvenue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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

LegCourseTime StartRelayDateMeet
50 Breaststroke SCY 30.40 flying 200 Medley Relay (leg 2) 2026-03-13 Region VIII Speedo Spring Sectionals
100 Breaststroke SCY 1:07.17 flying 400 Medley Relay (leg 2) 2026-03-15 Region VIII Speedo Spring Sectionals
100 Breaststroke LCM 1:17.74 flying 400 Medley Relay (leg 2) 2026-07-18 Speedo Summer Sectionals - Central Zone South

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 15-16 · SCY

2486 points (4/6 events — incomplete)

EventTime Points
500 FR SCY 6:13.14 523
200 BR SCY 2:24.62 897
200 IM SCY 2:32.09 549
400 IM SCY 5:31.72 517
200 BK SCY 0
200 FL SCY 0

IMR 15-16 · SCY

2134 points (3/5 events — incomplete)

EventTime Points
200 FR SCY 2:13.19 591
100 BR SCY 1:04.61 994
200 IM SCY 2:32.09 549
100 BK SCY 0
100 FL SCY 0

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

PR splits

100 Freestyle SCY 1:00.11

28.45
31.66

Front half 28.45s · back half 31.66s

200 Freestyle SCY 2:13.19

29.22
34.41
35.39
34.17

Front half 63.63s · back half 69.56s

500 Freestyle SCY 6:13.14

32.08
36.12
37.12
37.72
38.42
38.14
38.65
40.04
38.59
36.26

Front half 181.46s · back half 191.68s

100 Breaststroke SCY 1:04.61 RT 0.76s

30.26
34.35

Front half 30.26s · back half 34.35s

200 Breaststroke SCY 2:24.62 RT 0.76s

31.75
36.73
37.11
39.03

Front half 68.48s · back half 76.14s

200 Individual Medley SCY 2:32.09

33.22
40.32
45.14
33.41

Front half 73.54s · back half 78.55s

400 Individual Medley SCY 5:31.72

33.62
40.04
43.15
45.25
45.67
47.86
38.04
38.09

Front half 162.06s · back half 169.66s

100 Breaststroke LCM 1:16.53 RT 0.84s

35.65
40.88

Front half 35.65s · back half 40.88s

200 Individual Medley LCM 2:35.85 RT 0.86s

32.83
42.20
43.69
37.13

Front half 75.03s · back half 80.82s

Reaction time

fastest 0.76s average 0.809s slowest 0.87s 11 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.

Swim history

Every recorded swim, newest first
DateEventCourse TimeAge RoundMeet

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 27.67 3 swims
100 Freestyle SCY 1:00.11 3 swims
200 Freestyle SCY 2:13.19 3 swims
500 Freestyle SCY 6:13.14 1 swim
50 Breaststroke SCY 30.28 6 swims
100 Breaststroke SCY 1:04.61 7 swims
200 Breaststroke SCY 2:24.62 6 swims
50 Butterfly SCY 32.20 2 swims
200 Individual Medley SCY 2:32.09 2 swims
400 Individual Medley SCY 5:31.72 1 swim
50 Breaststroke LCM 34.49 2 swims
100 Breaststroke LCM 1:16.53 2 swims
200 Individual Medley LCM 2:35.85 1 swim