Katelyn Mack
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 35.38 | B+2.39s to BB·+9.29s to Sectionals | 2026-01-01 | 1777919 |
| 100 Freestyle | SCY | 1:29.32 | +11.63s to B·+32.83s to Sectionals | 2026-10-24 | 2026 CO Scary FAST Invitevenue |
| 500 Freestyle | SCY | 8:50.50 | +76.51s to B·+201.11s to Sectionals | 2026-10-25 | 2026 CO Scary FAST Invitevenue |
| 50 Backstroke | SCY | 43.57 | +2.98s to B·+17.28s to Futures | 2026-09-26 | 2026 CO Vortex & Loveland Sprint Invitevenue |
| 100 Backstroke | SCY | 1:42.95 | +12.26s to B·+41.56s to Sectionals | 2026-10-24 | 2026 CO Scary FAST Invitevenue |
| 50 Butterfly | SCY | 57.20 | +18.31s to B·+31.51s to Futures | 2026-02-14 | 2026 CO NCS 10&U Winter Spectacularvenue |
| 50 Freestyle | LCM | 46.28 | +5.89s to B·+16.69s to Sectionals | 2026-01-01 | 1723269 |
| 100 Freestyle | LCM | 1:56.48 | +27.29s to B·+52.09s to Sectionals | 2026-04-25 | 2026 CO FAST Spring Splashvenue |
| 50 Backstroke | LCM | 58.47 | +11.68s to B·+27.58s to Futures | 2026-01-01 | 1723269 |
| 50 Butterfly | LCM | 57.45 | +13.86s to B·+27.96s to Futures | 2026-01-01 | 1723269 |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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
IMX 11-12 · SCY
460 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 8:50.50 | 235 |
| 100 BK SCY | 1:42.95 | 225 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
410 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 43.57 | 297 |
| 50 FL SCY | 57.20 | 113 |
| 200 FR SCY | — | 0 |
| 50 BR SCY | — | 0 |
| 100 IM 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 1:29.32
Front half 40.76s · back half 48.56s
500 Freestyle SCY 8:50.50
Front half 258.87s · back half 271.63s
100 Backstroke SCY 1:42.95
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.