Katherine Sewell
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 13.89 | 2016-12-17 | 2016 CO PSC Santa Sprints slow pool | |
| 50 Freestyle | SCY | 27.23 | BB+0.24s to A | 2021-08-07 | 2021 CO Scottie Aschermann Seasonal Champs venue |
| 100 Freestyle | SCY | 1:00.36 | BB+1.77s to A | 2021-08-06 | 2021 CO Scottie Aschermann Seasonal Champs venue |
| 200 Freestyle | SCY | 2:19.70 | B+1.71s to BB | 2021-08-08 | 2021 CO Scottie Aschermann Seasonal Champs venue |
| 500 Freestyle | SCY | 6:40.86 | +2.67s to B | 2018-08-04 | 2018 CO SCOTTIE ASCHERMANN SEASONAL CHAMP venue |
| 1650 Freestyle | SCY | 24:19.64 | +84.25s to B | 2018-08-03 | 2018 CO SCOTTIE ASCHERMANN SEASONAL CHAMP venue |
| 50 Backstroke | SCY | 34.46 | B+2.07s to BB | 2022-06-18 | 2022 CO Ski Hi Aquatics Invitational venue |
| 100 Backstroke | SCY | 1:10.06 | B+0.97s to BB | 2021-08-08 | 2021 CO Scottie Aschermann Seasonal Champs venue |
| 200 Backstroke | SCY | 2:37.23 | B+7.04s to BB | 2021-08-07 | 2021 CO Scottie Aschermann Seasonal Champs venue |
| 50 Breaststroke | SCY | 37.86 | BB+2.87s to A | 2022-06-18 | 2022 CO Ski Hi Aquatics Invitational venue |
| 100 Breaststroke | SCY | 1:18.03 | BB+5.04s to A | 2021-08-07 | 2021 CO Scottie Aschermann Seasonal Champs venue |
| 200 Breaststroke | SCY | 2:54.04 | B+2.35s to BB | 2021-08-08 | 2021 CO Scottie Aschermann Seasonal Champs venue |
| 50 Butterfly | SCY | 38.89 | +4.00s to B | 2016-06-05 | 2016 CO PCST Open venue |
| 100 Butterfly | SCY | 1:10.47 | B+1.88s to BB | 2021-08-07 | 2021 CO Scottie Aschermann Seasonal Champs venue |
| 100 Individual Medley | SCY | 1:23.12 | 2017-11-04 | 2017 CO Montrose Marlin Fall Open venue | |
| 200 Individual Medley | SCY | 2:31.04 | BB+8.65s to A | 2021-08-06 | 2021 CO Scottie Aschermann Seasonal Champs venue |
| 50 Freestyle | SCM | 30.94 | BB+1.05s to A | 2021-06-13 | 2021 CO Alicia Levitt Invitational venue |
| 100 Freestyle | SCM | 1:07.92 | BB+3.13s to A | 2021-06-13 | 2021 CO Alicia Levitt Invitational venue |
| 200 Freestyle | SCM | 2:37.71 | B+5.22s to BB | 2021-07-18 | 2021- CO Rocky Ford Blue Marlin Invitational venue |
| 400 Freestyle | SCM | 5:50.89 | +2.50s to B | 2019-07-12 | 2019-CO Canon City Swim Meet venue |
| 1500 Freestyle | SCM | 25:55.46 | +188.27s to B | 2017-07-28 | 2017 CO SECAL Championships venue |
| 50 Backstroke | SCM | 36.99 | B+1.20s to BB | 2022-07-10 | 2022 CO Canon City Swim Meet venue |
| 100 Backstroke | SCM | 1:19.36 | B+2.97s to BB | 2021-06-26 | 2021 CO Las Animas Trofin Invitational venue |
| 200 Backstroke | SCM | 2:57.63 | B+11.64s to BB | 2021-06-13 | 2021 CO Alicia Levitt Invitational venue |
| 50 Breaststroke | SCM | 41.27 | BB+2.68s to A | 2022-07-10 | 2022 CO Canon City Swim Meet venue |
| 100 Breaststroke | SCM | 1:27.32 | BB+6.63s to A | 2021-06-13 | 2021 CO Alicia Levitt Invitational venue |
| 200 Breaststroke | SCM | 3:21.40 | B+11.61s to BB | 2021-06-27 | 2021 CO Las Animas Trofin Invitational venue |
| 50 Butterfly | SCM | 42.52 | +3.93s to B | 2016-07-30 | 2016 CO CSI Seasonal Club Championships venue |
| 100 Individual Medley | SCM | 1:30.66 | 2016-07-30 | 2016 CO CSI Seasonal Club Championships venue | |
| 200 Individual Medley | SCM | 2:50.77 | B+0.28s to BB | 2021-07-18 | 2021- CO Rocky Ford Blue Marlin Invitational venue |
| 100 Freestyle | LCM | 3:54.44 | +156.35s to B | 2021-06-25 | 2021 CO Las Animas Trofin Invitational |
| 400 Freestyle | LCM | 7:06.20 | +69.11s to B | 2017-07-28 | 2017 CO SECAL Championships |
| 100 Backstroke | LCM | 1:31.04 | +4.45s to B | 2017-06-16 | 2017 CO Rocky Ford Blue Marlin Invitational |
| 100 Breaststroke | LCM | 1:38.96 | +0.67s to B | 2017-06-16 | 2017 CO Rocky Ford Blue Marlin Invitational |
| 200 Breaststroke | LCM | 3:41.17 | +6.38s to B | 2017-07-28 | 2017 CO SECAL Championships |
| 400 Individual Medley | LCM | 6:48.61 | +2.22s to B | 2017-07-28 | 2017 CO SECAL Championships |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.72 | flying | 200 Free Relay (leg 4) | 2018-08-05 | 2018 CO SCOTTIE ASCHERMANN SEASONAL CHAMP |
| 50 Freestyle | SCY | 28.32 | flying | 200 Medley Relay (leg 4) | 2018-08-04 | 2018 CO SCOTTIE ASCHERMANN SEASONAL CHAMP |
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 17-18 · SCY
1880 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:40.86 | 408 |
| 200 BK SCY | 2:37.23 | 434 |
| 200 BR SCY | 2:54.04 | 503 |
| 200 IM SCY | 2:31.04 | 535 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2532 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:19.70 | 493 |
| 100 BK SCY | 1:10.06 | 483 |
| 100 BR SCY | 1:18.03 | 541 |
| 100 FL SCY | 1:10.47 | 480 |
| 200 IM SCY | 2:31.04 | 535 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 6:40.86
Front half 203.67s · back half 197.19s
1650 Freestyle SCY 24:19.64
100 Individual Medley SCY 1:23.12
Front half 38.72s · back half 44.40s
Progression
Faster times are higher. One card per event, all courses & history.