swimColin Callahan
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Backstroke | SCY | 34.17 | BB+1.48s to A·+9.68s to Sectionals | 2026-02-28 | 2026 Winter ISI Regionals- TIDE - copiedvenue |
| 100 Backstroke | SCY | 1:09.97 | BB+0.68s to A·+13.88s to Sectionals | 2026-07-19 | 2026 ISI Summer DLTA Regionalvenue |
| 50 Breaststroke | SCY | 38.38 | BB+1.69s to A·+11.19s to Sectionals | 2026-07-19 | 2026 ISI Summer DLTA Regionalvenue |
| 100 Breaststroke | SCY | 1:24.33 | BB+5.94s to A·+20.74s to Sectionals | 2026-02-28 | 2026 Winter ISI Regionals- TIDE - copiedvenue |
| 50 Butterfly | SCY | 31.64 | BB+0.45s to A·+7.95s to Sectionals | 2026-07-19 | 2026 ISI Summer DLTA Regionalvenue |
| 100 Butterfly | SCY | 1:28.55 | +5.66s to B·+34.56s to Sectionals | 2025-07-19 | 2025 ISI Summer ACAD Regionalvenue |
| 100 Individual Medley | SCY | 1:12.81 | BB+2.82s to A | 2026-07-19 | 2026 ISI Summer DLTA Regionalvenue |
| 200 Individual Medley | SCY | 2:39.92 | BB+7.63s to A·+38.93s to Sectionals | 2026-02-28 | 2026 Winter ISI Regionals- TIDE - copiedvenue |
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 Butterfly | SCY | 32.43 | flying | 200 Medley Relay (leg 3) | 2025-07-19 | 2025 ISI Summer ACAD Regional |
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 · SCY
1993 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:09.97 | 614 |
| 100 BR SCY | 1:24.33 | 519 |
| 100 FL SCY | 1:28.55 | 297 |
| 200 IM SCY | 2:39.92 | 563 |
| 500 FR SCY | — | 0 |
IMR 11-12 · SCY
2303 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 34.17 | 561 |
| 50 BR SCY | 38.38 | 552 |
| 50 FL SCY | 31.64 | 600 |
| 100 IM SCY | 1:12.81 | 590 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Breaststroke SCY 1:24.33
Front half 40.02s · back half 44.31s
100 Butterfly SCY 1:28.55
Front half 41.08s · back half 47.47s
100 Individual Medley SCY 1:12.81
Front half 34.52s · back half 38.29s
200 Individual Medley SCY 2:39.92
Front half 76.03s · back half 83.89s
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.