swimCatherine Dieffenthaller
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.45 | AA+0.46s to AAA | 2024-03-09 | 2024 Florida Swimming Spring Senior Champs venue |
| 100 Freestyle | SCY | 55.80 | AA+1.71s to AAA | 2024-02-25 | 2024 Spring Area 3 Championships venue |
| 200 Freestyle | SCY | 2:07.75 | BB+0.06s to A | 2024-11-23 | SPA - PYP NOVEMBER 2024 venue |
| 50 Backstroke | SCY | 30.95 | BB+0.76s to A | 2025-01-24 | BLOOMIN' FAST SWIM MEET venue |
| 100 Backstroke | SCY | 1:08.05 | BB+4.16s to A | 2024-01-21 | BLOOMIN' FAST SWIM MEET venue |
| 50 Breaststroke | SCY | 29.94 | AAAA | 2024-03-08 | 2024 Florida Swimming Spring Senior Champs venue |
| 100 Breaststroke | SCY | 1:03.31 | AAAA | 2026-03-15 | 2026 Fl Swimming Spring Senior Championships venue |
| 200 Breaststroke | SCY | 2:17.23 | AAAA | 2025-12-07 | 2025 Speedo Gator Holiday Classic fast pool |
| 50 Butterfly | SCY | 28.47 | AA+1.08s to AAA | 2025-02-28 | 2025 Spring Area 3 Championships venue |
| 100 Butterfly | SCY | 1:01.65 | A+0.76s to AA | 2026-02-28 | 2026 Spring Area 3 Championships venue |
| 200 Individual Medley | SCY | 2:11.86 | AA+1.27s to AAA | 2025-09-19 | Kiefer - Speedo Fall Invitational venue |
| 50 Freestyle | LCM | 28.08 | AAA+0.99s to AAAA | 2026-06-13 | 2026 RAFC Summer Solstice Invitational venue |
| 100 Freestyle | LCM | 1:03.78 | AA+2.29s to AAA | 2026-05-15 | 2026 SAINT PETE'S 2nd LONG COURSE MEET venue |
| 200 Freestyle | LCM | 2:20.66 | A+1.47s to AA | 2024-05-18 | 2024 SAINT PETE'S 2nd LONG COURSE MEET venue |
| 50 Backstroke | LCM | 35.79 | BB+0.30s to A | 2025-05-16 | 2025 SAINT PETE'S 2nd LONG COURSE MEET venue |
| 100 Backstroke | LCM | 1:07.16 | AAA+1.87s to AAAA | 2026-06-11 | 2026 RAFC Summer Solstice Invitational |
| 50 Breaststroke | LCM | 33.36 | AAAA | 2025-07-26 | 2025 TYR FUTURES OCALA venue |
| 100 Breaststroke | LCM | 1:12.61 | AAAA | 2026-06-13 | 2026 RAFC Summer Solstice Invitational venue |
| 200 Breaststroke | LCM | 2:42.39 | AAA+2.60s to AAAA | 2026-06-14 | 2026 RAFC Summer Solstice Invitational venue |
| 50 Butterfly | LCM | 31.24 | AA+0.65s to AAA | 2026-06-13 | 2026 RAFC Summer Solstice Invitational venue |
| 100 Butterfly | LCM | 1:07.30 | AA+1.01s to AAA | 2026-06-12 | 2026 RAFC Summer Solstice Invitational venue |
| 200 Individual Medley | LCM | 2:29.01 | AAA+5.92s to AAAA | 2026-06-14 | 2026 RAFC Summer Solstice Invitational 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.
IMX / IMR
IMX 17-18 · SCY
1832 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:17.23 | 1027 |
| 200 IM SCY | 2:11.86 | 805 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · LCM
4292 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:20.66 | 715 |
| 100 BK LCM | 1:07.16 | 885 |
| 100 BR LCM | 1:12.61 | 1019 |
| 100 FL LCM | 1:07.30 | 808 |
| 200 IM LCM | 2:29.01 | 865 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 55.80
Front half 26.67s · back half 29.13s
200 Freestyle SCY 2:07.75
Front half 60.89s · back half 66.86s
100 Backstroke SCY 1:08.05
Front half 32.74s · back half 35.31s
100 Breaststroke SCY 1:03.31
Front half 29.68s · back half 33.63s
200 Breaststroke SCY 2:17.23
Front half 65.65s · back half 71.58s
100 Butterfly SCY 1:01.65
Front half 28.60s · back half 33.05s
200 Individual Medley SCY 2:11.86
Front half 63.10s · back half 68.76s
100 Freestyle LCM 1:03.78
Front half 29.92s · back half 33.86s
200 Freestyle LCM 2:20.66
Front half 67.13s · back half 73.53s
100 Backstroke LCM 1:07.16
100 Breaststroke LCM 1:12.61
Front half 34.61s · back half 38.00s
200 Breaststroke LCM 2:42.39
Front half 79.34s · back half 83.05s
100 Butterfly LCM 1:07.30
Front half 31.10s · back half 36.20s
200 Individual Medley LCM 2:29.01
Front half 72.17s · back half 76.84s
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.