swimKatelyn Mack
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 43.51 | +3.62s to B·+17.42s to Sectionals | 2026-02-14 | 2026 CO NCS 10&U Winter Spectacularvenue |
| 100 Freestyle | SCY | 1:47.74 | +16.85s to B·+51.25s to Sectionals | 2026-02-14 | 2026 CO NCS 10&U Winter Spectacularvenue |
| 50 Butterfly | SCY | 57.20 | +8.81s to B·+31.51s to Futures | 2026-02-14 | 2026 CO NCS 10&U Winter Spectacularvenue |
| 50 Freestyle | LCM | 46.28 | +0.89s to B·+16.69s to Sectionals | 2026-01-01 | 1723269 |
| 100 Freestyle | LCM | 1:56.48 | +12.29s to B·+52.09s to Sectionals | 2026-04-25 | 2026 CO FAST Spring Splashvenue |
| 50 Backstroke | LCM | 58.47 | +2.68s to B·+27.58s to Futures | 2026-01-01 | 1723269 |
| 50 Butterfly | LCM | 57.45 | +2.96s to B·+27.96s to Futures | 2026-01-01 | 1723269 |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 | 41.16 | flying | 200 Free Relay (leg 3) | 2026-02-14 | 2026 CO NCS 10&U Winter Spectacular |
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
IMR 10 & under · LCM
716 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR LCM | 1:56.48 | 224 |
| 50 BK LCM | 58.47 | 263 |
| 50 FL LCM | 57.45 | 229 |
| 50 BR LCM | — | 0 |
| 200 IM LCM | — | 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 1:47.74
Front half 52.60s · back half 55.14s
100 Freestyle LCM 1:56.48
Front half 55.37s · back half 61.11s
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.