swimKatherine Tilley
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.20 | AAA+0.41s to AAAA | 2025-03-01 | 2025 Gulf 13 & Over Champs (PEAK) venue |
| 100 Freestyle | SCY | 53.19 | AAA+1.50s to AAAA | 2025-03-06 | LAC 2025 Speedo Sectional Championship Series |
| 200 Freestyle | SCY | 2:04.46 | A+2.17s to AA | 2024-10-12 | PACK Pretty in Pink Invitational Meet 2024 venue |
| 500 Freestyle | SCY | 5:34.58 | A+4.59s to AA | 2024-01-07 | PACK '24 Rubber Duckie Invite venue |
| 1650 Freestyle | SCY | 19:56.63 | BB+0.24s to A | 2024-01-05 | PACK '24 Rubber Duckie Invite venue |
| 50 Backstroke | SCY | 28.23 | AA+0.54s to AAA | 2024-03-01 | 2024 Gulf 13 & Over Champs (SHRK) venue |
| 100 Backstroke | SCY | 1:00.21 | AA+1.72s to AAA | 2024-03-03 | 2024 Gulf 13 & Over Champs (SHRK) venue |
| 200 Backstroke | SCY | 2:11.81 | AA+4.82s to AAA | 2024-03-02 | 2024 Gulf 13 & Over Champs (SHRK) venue |
| 100 Breaststroke | SCY | 1:21.31 | B+1.82s to BB | 2024-01-07 | PACK '24 Rubber Duckie Invite venue |
| 100 Butterfly | SCY | 1:06.68 | BB+3.19s to A | 2024-01-06 | PACK '24 Rubber Duckie Invite venue |
| 100 Individual Medley | SCY | 1:04.57 | 2024-09-22 | PACK Dare to Dream Intrasquad Meet 2024 venue | |
| 200 Individual Medley | SCY | 2:27.37 | BB+4.98s to A | 2024-01-07 | PACK '24 Rubber Duckie Invite venue |
| 50 Freestyle | LCM | 27.54 | AAA+0.45s to AAAA | 2024-07-13 | 2024 Long Course Gulf Age Group Championships venue |
| 100 Freestyle | LCM | 1:00.38 | AAA+1.69s to AAAA | 2024-06-30 | 2024 Fleet Last Chance Meet venue |
| 200 Freestyle | LCM | 2:20.45 | A+1.26s to AA | 2024-05-31 | 2024 TWST LC Invitational venue |
| 400 Freestyle | LCM | 5:18.29 | BB+11.60s to A | 2024-04-19 | PACK April Long Course 2024 slow pool |
| 50 Backstroke | LCM | 31.83 | AAA+0.74s to AAAA | 2025-07-25 | 2025 TYR FUTURES OCALA venue |
| 100 Backstroke | LCM | 1:08.59 | AA+0.20s to AAA | 2025-07-24 | 2025 TYR FUTURES OCALA venue |
| 200 Backstroke | LCM | 2:35.59 | A+0.60s to AA | 2024-07-14 | 2024 Long Course Gulf Age Group Championships venue |
| 100 Breaststroke | LCM | 1:37.65 | B+6.36s to BB | 2024-04-20 | PACK April Long Course 2024 slow pool |
| 100 Butterfly | LCM | 1:15.58 | BB+3.29s to A | 2023-07-01 | 2023 Keo Nakama Swim Meet venue |
| 200 Individual Medley | LCM | 2:41.74 | A+5.05s to AA | 2024-06-29 | 2024 Fleet Last Chance Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 |
|---|---|---|---|---|---|---|
| 100 Backstroke | SCY | 1:00.10 | flat | 400 Medley Relay | 2025-03-01 | 2025 Gulf 13 & Over Champs (PEAK) |
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
2016 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:34.58 | 702 |
| 200 BK SCY | 2:11.81 | 737 |
| 200 IM SCY | 2:27.37 | 577 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · LCM
3214 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:20.45 | 718 |
| 100 BK LCM | 1:08.59 | 831 |
| 100 BR LCM | 1:37.65 | 419 |
| 100 FL LCM | 1:15.58 | 570 |
| 200 IM LCM | 2:41.74 | 676 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 53.19 split/total mismatch
Front half 25.31s · back half 27.88s
200 Freestyle SCY 2:04.46
Front half 61.00s · back half 63.46s
100 Backstroke SCY 1:00.21
Front half 28.97s · back half 31.24s
200 Backstroke SCY 2:11.81
Front half 63.23s · back half 68.58s
100 Individual Medley SCY 1:04.57
Front half 29.28s · back half 35.29s
100 Freestyle LCM 1:00.38
Front half 28.74s · back half 31.64s
200 Freestyle LCM 2:20.45
Front half 67.54s · back half 72.91s
400 Freestyle LCM 5:18.29
Front half 153.90s · back half 164.39s
100 Backstroke LCM 1:08.59 RT 1.00s
Front half 33.29s · back half 35.30s
200 Backstroke LCM 2:35.59
Front half 76.94s · back half 78.65s
100 Breaststroke LCM 1:37.65
Front half 46.44s · back half 51.21s
200 Individual Medley LCM 2:41.74
Front half 73.98s · back half 87.76s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.