Katherine Ballis
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 15.71 | 2024-01-12 | 2024 TWST Speedo Winter Classic Invitational venue | |
| 50 Freestyle | SCY | 28.35 | AA+0.26s to AAA | 2025-12-05 | 2025 Gulf Age Group Championships |
| 100 Freestyle | SCY | 59.74 | AAA+1.45s to AAAA | 2026-02-20 | 2026 Gulf 12 & Under Championships |
| 200 Freestyle | SCY | 2:13.47 | AA+0.58s to AAA | 2025-12-05 | 2025 Gulf Age Group Championships |
| 500 Freestyle | SCY | 6:02.42 | AA+5.63s to AAA | 2026-01-01 | TWST Speedo Winter Classic P/F fast pool |
| 25 Backstroke | SCY | 17.96 | 2024-01-12 | 2024 TWST Speedo Winter Classic Invitational venue | |
| 50 Backstroke | SCY | 34.55 | A+1.16s to AA | 2025-03-02 | 2025 SE Speedo Southern Premier venue |
| 100 Backstroke | SCY | 1:08.17 | AAA+2.48s to AAAA | 2026-01-01 | TWST Speedo Winter Classic P/F fast pool |
| 25 Breaststroke | SCY | 18.98 | 2024-01-12 | 2024 TWST Speedo Winter Classic Invitational venue | |
| 50 Breaststroke | SCY | 34.49 | AAA+0.40s to AAAA | 2025-12-05 | 2025 Gulf Age Group Championships |
| 100 Breaststroke | SCY | 1:14.22 | AAAA | 2026-01-01 | TWST Speedo Winter Classic P/F fast pool |
| 25 Butterfly | SCY | 16.01 | 2024-01-12 | 2024 TWST Speedo Winter Classic Invitational venue | |
| 50 Butterfly | SCY | 29.56 | AAA+0.37s to AAAA | 2026-02-20 | 2026 Gulf 12 & Under Championships |
| 100 Butterfly | SCY | 1:06.44 | AAA+1.05s to AAAA | 2026-01-01 | TWST Speedo Winter Classic P/F fast pool |
| 200 Butterfly | SCY | 2:32.08 | AAA+4.69s to AAAA | 2026-02-20 | 2026 Gulf 12 & Under Championships |
| 100 Individual Medley | SCY | 1:06.27 | AAAA | 2026-01-01 | TWST Speedo Winter Classic P/F fast pool |
| 200 Individual Medley | SCY | 2:25.47 | AAA+0.88s to AAAA | 2026-01-01 | TWST Speedo Winter Classic P/F fast pool |
| 50 Freestyle | LCM | 31.03 | AAA+0.44s to AAAA | 2026-05-15 | 2026 Fleet Summer Classic |
| 100 Freestyle | LCM | 1:07.17 | AAA+0.28s to AAAA | 2026-04-17 | TWST Spring Splash LC Meet |
| 200 Freestyle | LCM | 2:30.14 | AAA+5.35s to AAAA | 2026-06-26 | 2026 Fleet Last Chance Meet |
| 400 Freestyle | LCM | 5:32.92 | AA+11.73s to AAA | 2025-01-01 | Cypress Fairbanks Swim Club |
| 800 Freestyle | LCM | 10:52.61 | AAA+1.42s to AAAA | 2026-05-09 | 2026 FLEET Distance Challenge |
| 50 Backstroke | LCM | 40.92 | BB+0.83s to A | 2025-04-12 | 2025 BTA April LC Ducky Derby |
| 100 Backstroke | LCM | 1:27.46 | A+2.47s to AA | 2025-05-16 | 2025 Fleet Summer Classic |
| 50 Breaststroke | LCM | 38.05 | AAAA | 2026-04-17 | TWST Spring Splash LC Meet |
| 100 Breaststroke | LCM | 1:21.08 | AAAA | 2026-05-15 | 2026 Fleet Summer Classic |
| 50 Butterfly | LCM | 32.80 | AAA+0.11s to AAAA | 2025-07-19 | 2025 Texas Age Group Championships fast pool |
| 100 Butterfly | LCM | 1:13.35 | AAAA | 2026-04-17 | TWST Spring Splash LC Meet |
| 200 Individual Medley | LCM | 2:40.77 | AAAA | 2026-04-17 | TWST Spring Splash LC Meet |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 | LCM | 33.90 | flying | 200 Free Relay (leg 4) | 2024-07-20 | 2024 Texas Age Group Swimming LC Champs |
| 50 Breaststroke | LCM | 43.65 | flying | 200 Medley Relay (leg 2) | 2024-07-21 | 2024 Texas Age Group Swimming LC Champs |
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 · LCM
4144 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:32.92 | 693 |
| 100 BK LCM | 1:27.46 | 578 |
| 100 BR LCM | 1:21.08 | 1026 |
| 100 FL LCM | 1:13.35 | 898 |
| 200 IM LCM | 2:40.77 | 949 |
IMR 11-12 · LCM
4133 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:30.14 | 807 |
| 50 BK LCM | 40.92 | 553 |
| 50 BR LCM | 38.05 | 948 |
| 50 FL LCM | 32.80 | 876 |
| 200 IM LCM | 2:40.77 | 949 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 59.74 split/total mismatch
Front half 28.67s · back half 31.07s
500 Freestyle SCY 6:02.42 split/total mismatch
100 Backstroke SCY 1:08.17 split/total mismatch
Front half 33.63s · back half 34.54s
100 Breaststroke SCY 1:14.22 split/total mismatch
Front half 34.85s · back half 39.37s
100 Butterfly SCY 1:06.44 split/total mismatch
Front half 30.54s · back half 35.90s
200 Butterfly SCY 2:32.08 split/total mismatch
100 Individual Medley SCY 1:06.27 split/total mismatch
Front half 31.80s · back half 34.47s
200 Individual Medley SCY 2:25.47 split/total mismatch
400 Freestyle LCM 5:32.92 split/total mismatch
Front half 81.83s · back half 251.09s
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.