swimAddy Costello
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.96 | A+0.77s to AA·+4.07s to Sectionals | 2025-02-23 | MAC Hosted 2025 Gulf 12 & Under Champsvenue |
| 100 Freestyle | SCY | 1:02.74 | A+1.35s to AA·+8.65s to Sectionals | 2026-01-09 | 2026 Tracey Harper-Santiago Memorial Meet |
| 200 Freestyle | SCY | 2:19.84 | A+5.65s to AA·+23.15s to Sectionals | 2026-01-09 | 2026 Tracey Harper-Santiago Memorial Meet |
| 500 Freestyle | SCY | 6:18.55 | BB+3.66s to A·+68.66s to Sectionals | 2026-01-09 | 2026 Tracey Harper-Santiago Memorial Meet |
| 50 Backstroke | SCY | 30.69 | AA+0.20s to AAA·+2.10s to Sectionals | 2026-01-09 | 2026 Tracey Harper-Santiago Memorial Meet |
| 100 Backstroke | SCY | 1:11.67 | A+2.08s to AA·+10.88s to Sectionals | 2024-12-07 | 2024 Gulf Age Group Championshipsvenue |
| 50 Breaststroke | SCY | 41.16 | B+0.27s to BB·+7.57s to Sectionals | 2025-12-05 | 2025 Gulf Age Group Championships |
| 100 Breaststroke | SCY | 1:30.40 | B+1.01s to BB·+19.51s to Sectionals | 2025-01-11 | 2025 Tracey Harper-Santiago Memorial Meetvenue |
| 50 Butterfly | SCY | 29.65 | AA+0.56s to AAA·+2.26s to Sectionals | 2026-01-09 | 2026 Tracey Harper-Santiago Memorial Meet |
| 100 Butterfly | SCY | 1:14.95 | BB+2.66s to A·+15.86s to Sectionals | 2025-01-12 | 2025 Tracey Harper-Santiago Memorial Meetvenue |
| 100 Individual Medley | SCY | 1:12.14 | A+2.05s to AA | 2026-02-20 | 2026 Gulf 12 & Under Championships |
| 200 Individual Medley | SCY | 2:39.38 | BB+1.69s to A·+26.79s to Sectionals | 2026-02-20 | 2026 Gulf 12 & Under Championships |
| 50 Freestyle | LCM | 32.45 | A+0.46s to AA·+4.06s to Sectionals | 2026-06-14 | 2026 ST NIST George Block Invitationalvenue |
| 100 Freestyle | LCM | 1:13.23 | A+2.84s to AA·+11.94s to Sectionals | 2025-06-06 | 2025 BATS June Invite |
| 200 Freestyle | LCM | 2:46.17 | BB+6.08s to A·+34.08s to Sectionals | 2025-01-01 | Katy Aquatics |
| 400 Freestyle | LCM | 6:19.88 | B+15.09s to BB·+101.09s to Sectionals | 2024-06-09 | BATS June Invite 2024venue |
| 50 Backstroke | LCM | 34.60 | AAA+0.91s to AAAA·+1.71s to Sectionals | 2026-06-12 | 2026 ST NIST George Block Invitationalvenue |
| 100 Backstroke | LCM | 1:16.35 | AAA+3.46s to AAAA·+6.56s to Sectionals | 2026-06-13 | 2026 ST NIST George Block Invitationalvenue |
| 200 Backstroke | LCM | 2:51.40 | A+0.41s to AA·+19.41s to Sectionals | 2026-06-11 | 2026 ST NIST George Block Invitationalvenue |
| 50 Breaststroke | LCM | 47.05 | B+0.86s to BB·+8.76s to Sectionals | 2025-04-12 | 2025 DADS April Intrasquad |
| 100 Breaststroke | LCM | 1:44.64 | B+2.45s to BB·+24.05s to Sectionals | 2025-01-01 | Katy Aquatics |
| 50 Butterfly | LCM | 32.36 | AAA+0.97s to AAAA·+1.07s to Sectionals | 2026-06-11 | 2026 ST NIST George Block Invitationalvenue |
| 100 Butterfly | LCM | 1:16.14 | AA+1.35s to AAA·+8.75s to Sectionals | 2026-06-12 | 2026 ST NIST George Block Invitationalvenue |
| 200 Individual Medley | LCM | 2:57.08 | A+3.89s to AA·+25.69s to Sectionals | 2026-06-14 | 2026 ST NIST George Block Invitationalvenue |
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 | 28.73 | flying | 200 Free Relay (leg 4) | 2025-02-22 | MAC Hosted 2025 Gulf 12 & Under Champs |
| 50 Backstroke | SCY | 31.78 | flat | 200 Medley Relay | 2025-02-23 | MAC Hosted 2025 Gulf 12 & 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
3326 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 6:19.88 | 466 |
| 100 BK LCM | 1:16.35 | 870 |
| 100 BR LCM | 1:44.64 | 477 |
| 100 FL LCM | 1:16.14 | 803 |
| 200 IM LCM | 2:57.08 | 710 |
IMR 11-12 · LCM
3632 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:46.17 | 595 |
| 50 BK LCM | 34.60 | 914 |
| 50 BR LCM | 47.05 | 501 |
| 50 FL LCM | 32.36 | 912 |
| 200 IM LCM | 2:57.08 | 710 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke SCY 1:11.67
Front half 34.53s · back half 37.14s
100 Breaststroke SCY 1:30.40
Front half 42.70s · back half 47.70s
100 Butterfly SCY 1:14.95
Front half 34.42s · back half 40.53s
100 Individual Medley SCY 1:12.14 split/total mismatch
Front half 32.53s · back half 39.61s
200 Individual Medley SCY 2:39.38 split/total mismatch
400 Freestyle LCM 6:19.88
Front half 189.49s · back half 190.39s
100 Backstroke LCM 1:16.35
Front half 36.08s · back half 40.27s
200 Backstroke LCM 2:51.40
Front half 83.37s · back half 88.03s
100 Butterfly LCM 1:16.14
Front half 34.96s · back half 41.18s
200 Individual Medley LCM 2:57.08
Front half 82.15s · back half 94.93s
Reaction time
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.