swimMark Costello
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.52 | B+0.63s to BB | 2025-01-01 | 2025 SHAWMUT CANDY CANE CLASSIC |
| 100 Freestyle | SCY | 1:04.73 | B+2.04s to BB | 2026-03-14 | 2026 NE UVAC NHSA State Championships venue |
| 200 Freestyle | SCY | 2:25.10 | B+7.91s to BB | 2026-01-10 | 2026 NE NSSC January 9-11 BC Meet venue |
| 50 Backstroke | SCY | 34.00 | B+1.11s to BB | 2026-03-13 | 2026 NE UVAC NHSA State Championships venue |
| 100 Backstroke | SCY | 1:13.23 | B+4.14s to BB | 2026-03-14 | 2026 NE UVAC NHSA State Championships venue |
| 50 Breaststroke | SCY | 47.59 | +7.10s to B | 2025-10-17 | 2025 NE CRIM OCTOBER TEAM SPECIALTY W/ DIST |
| 100 Breaststroke | SCY | 1:29.30 | +5.01s to B | 2026-03-13 | 2026 NE UVAC NHSA State Championships venue |
| 200 Breaststroke | SCY | 3:30.80 | +27.81s to B | 2025-01-01 | 2025 SHAWMUT CANDY CANE CLASSIC |
| 200 Individual Medley | SCY | 2:25.10 | BB+3.91s to A | 2026-01-09 | 2026 NE NSSC January 9-11 BC Meet |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.53 | flying | 200 Free Relay (leg 3) | 2026-01-18 | 2026 NE CRIM Bronze Championship |
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 13-14 · SCY
785 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 3:30.80 | 241 |
| 200 IM SCY | 2:25.10 | 544 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1641 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:25.10 | 399 |
| 100 BK SCY | 1:13.23 | 389 |
| 100 BR SCY | 1:29.30 | 309 |
| 200 IM SCY | 2:25.10 | 544 |
| 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 1:04.73
Front half 30.60s · back half 34.13s
200 Freestyle SCY 2:25.10
Front half 69.84s · back half 75.26s
100 Backstroke SCY 1:13.23
Front half 35.78s · back half 37.45s
100 Breaststroke SCY 1:29.30
Front half 41.03s · back half 48.27s
200 Breaststroke SCY 3:30.80 split/total mismatch
Front half 52.25s · back half 158.55s
200 Individual Medley SCY 2:25.10 split/total mismatch
Progression
Faster times are higher. One card per event, all courses & history.