swimIsaac Litwiller
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 20.04 | AAAA | 2025-01-01 | 2025 Speedo Winter Junior Championships - West |
| 100 Freestyle | SCY | 44.13 | AAAA | 2025-01-01 | 2025 Speedo Winter Junior Championships - West |
| 200 Freestyle | SCY | 1:38.02 | AAAA | 2025-12-12 | 2025 West Speedo Winter Juniors venue |
| 500 Freestyle | SCY | 4:37.24 | AAA+1.75s to AAAA | 2026-02-28 | 2026 CA NV Speedo Sect @ CCA venue |
| 50 Backstroke | SCY | 23.48 | AAA+0.09s to AAAA | 2026-02-14 | 2026 Santa Clara Senior Champs venue |
| 100 Backstroke | SCY | 48.87 | AAAA | 2025-01-01 | 2025 Speedo Winter Junior Championships - West |
| 200 Backstroke | SCY | 1:56.44 | AA+1.65s to AAA | 2026-02-15 | 2026 Santa Clara Senior Champs venue |
| 100 Butterfly | SCY | 55.32 | A+1.03s to AA | 2026-02-14 | 2026 Santa Clara Senior Champs venue |
| 200 Individual Medley | SCY | 1:55.71 | AAA+3.52s to AAAA | 2026-02-16 | 2026 Santa Clara Senior Champs venue |
| 50 Freestyle | LCM | 23.24 | AAAA | 2025-08-03 | 2025 Speedo Junior National Championships fast pool |
| 100 Freestyle | LCM | 50.97 | AAAA | 2025-06-03 | 2025 National Championships venue |
| 200 Freestyle | LCM | 1:52.85 | AAAA | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 400 Freestyle | LCM | 4:09.54 | AAA+0.85s to AAAA | 2026-05-30 | 2026 George Haines International Swim Meet venue |
| 800 Freestyle | LCM | 8:40.68 | AAA+3.79s to AAAA | 2026-06-25 | 2026 TYR GO Challenge venue |
| 50 Backstroke | LCM | 27.21 | AAAA | 2026-05-31 | 2026 George Haines International Swim Meet venue |
| 100 Backstroke | LCM | 59.30 | AAA+0.21s to AAAA | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 200 Backstroke | LCM | 2:17.28 | AA+2.49s to AAA | 2026-06-25 | 2026 TYR GO Challenge |
| 50 Butterfly | LCM | 26.99 | AAA+0.60s to AAAA | 2026-06-25 | 2026 TYR GO Challenge |
| 100 Butterfly | LCM | 1:03.93 | A+1.54s to AA | 2026-06-25 | 2026 TYR GO Challenge |
| 200 Individual Medley | LCM | 2:19.32 | AA+3.13s to AAA | 2026-04-18 | Pacific Swimming LCM Senior Open host TERA 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 |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 19.29 | flying | 200 Free Relay (leg 3) | 2025-12-12 | 2025 West Speedo Winter Juniors |
| 100 Freestyle | SCY | 43.33 | flying | 400 Free Relay (leg 3) | 2025-12-13 | 2025 West Speedo Winter Juniors |
| 200 Freestyle | SCY | 1:37.14 | flying | 800 Free Relay (leg 4) | 2025-12-10 | 2025 West Speedo Winter Juniors |
| 50 Backstroke | SCY | 22.45 | flat | 200 Medley Relay | 2025-12-10 | 2025 West Speedo Winter Juniors |
| 100 Backstroke | SCY | 48.85 | flat | 400 Medley Relay | 2025-12-11 | 2025 West Speedo Winter Juniors |
| 200 Freestyle | LCM | 1:55.47 | flat | 800 Free Relay | 2025-07-24 | USA Swimming Futures Sacramento 2025 |
| 100 Backstroke | LCM | 59.59 | flat | 400 Medley Relay | 2025-07-26 | USA Swimming Futures Sacramento 2025 |
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
2616 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:37.24 | 948 |
| 200 BK SCY | 1:56.44 | 795 |
| 200 IM SCY | 1:55.71 | 873 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
3639 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:38.02 | 1067 |
| 100 BK SCY | 48.87 | 1001 |
| 100 FL SCY | 55.32 | 698 |
| 200 IM SCY | 1:55.71 | 873 |
| 100 BR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 1:38.02
Front half 46.96s · back half 51.06s
500 Freestyle SCY 4:37.24
Front half 135.18s · back half 142.06s
200 Backstroke SCY 1:56.44
Front half 57.28s · back half 59.16s
100 Butterfly SCY 55.32
Front half 25.42s · back half 29.90s
200 Individual Medley SCY 1:55.71
Front half 54.11s · back half 61.60s
100 Freestyle LCM 50.97 RT 0.69s
Front half 24.55s · back half 26.42s
200 Freestyle LCM 1:52.85 split/total mismatch
400 Freestyle LCM 4:09.54
Front half 120.86s · back half 128.68s
800 Freestyle LCM 8:40.68
Front half 126.20s · back half 394.48s
100 Backstroke LCM 59.30 split/total mismatch
Front half 28.57s · back half 30.73s
200 Individual Medley LCM 2:19.32
Front half 64.80s · back half 74.52s
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.