swimCatherine Opalka
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.88 | AA+0.79s to AAA | 2026-03-15 | 2026 NW Spring Speedo Sectionals - Boise venue |
| 100 Freestyle | SCY | 59.54 | BB+0.05s to A | 2024-09-28 | 2024 MT KATS Fall Frenzy venue |
| 1650 Freestyle | SCY | 20:30.06 | BB+27.17s to A | 2025-01-01 | 2025 kats splash corrected complete results |
| 50 Backstroke | SCY | 30.35 | BB+0.06s to A | 2024-11-24 | 2024 MT GFST Rapids Fall Frost venue |
| 100 Backstroke | SCY | 59.83 | AA+0.94s to AAA | 2026-02-14 | 2026 MHSA USA High School State Observed venue |
| 50 Breaststroke | SCY | 33.96 | A+0.07s to AA | 2024-11-23 | 2024 MT GFST Rapids Fall Frost venue |
| 100 Breaststroke | SCY | 1:11.32 | A+0.23s to AA | 2026-02-27 | 2026 MT Swimming SC State Championships venue |
| 200 Breaststroke | SCY | 2:39.53 | A+5.54s to AA | 2026-02-08 | 2026 MT MAC Sprinterfest venue |
| 50 Butterfly | SCY | 26.86 | AAA+0.57s to AAAA | 2025-02-23 | 2025 MT Swimming SC State Championships venue |
| 100 Butterfly | SCY | 59.13 | AA+0.34s to AAA | 2026-03-14 | 2026 NW Spring Speedo Sectionals - Boise venue |
| 200 Butterfly | SCY | 2:14.49 | AA+3.80s to AAA | 2026-03-12 | 2026 NW Spring Speedo Sectionals - Boise venue |
| 200 Individual Medley | SCY | 2:15.28 | AA+3.79s to AAA | 2026-02-14 | 2026 MHSA USA High School State Observed venue |
| 400 Individual Medley | SCY | 5:06.58 | A+12.39s to AA | 2025-01-26 | 2025 MT KATS Splash 1.26.25 venue |
| 50 Freestyle | LCM | 29.93 | A+0.04s to AA | 2026-06-27 | 2026 MT MAC 45th Annual Firecracker Classic venue |
| 100 Freestyle | LCM | 1:09.92 | BB+2.63s to A | 2024-07-06 | 2024 MT HLST Last Chance Invitational slow pool |
| 800 Freestyle | LCM | 11:57.06 | B+28.77s to BB | 2024-07-06 | 2024 MT HLST Last Chance Invitational slow pool |
| 50 Backstroke | LCM | 34.51 | A+0.52s to AA | 2025-06-20 | 2025 MT MAC 44th Annual Firecracker Classic venue |
| 100 Backstroke | LCM | 1:15.66 | BB+0.67s to A | 2026-06-27 | 2026 MT MAC 45th Annual Firecracker Classic venue |
| 200 Backstroke | LCM | 2:56.78 | B+2.29s to BB | 2024-06-23 | 2024 MT MAC 43rd Annual Firecracker Classic venue |
| 50 Breaststroke | LCM | 38.08 | AA+1.29s to AAA | 2024-07-07 | 2024 MT HLST Last Chance Invitational slow pool |
| 100 Breaststroke | LCM | 1:22.67 | A+1.18s to AA | 2024-07-19 | 2024 MT Swimming LC State Championships venue |
| 200 Breaststroke | LCM | 3:05.49 | BB+3.10s to A | 2024-07-21 | 2024 MT Swimming LC State Championships venue |
| 50 Butterfly | LCM | 31.12 | AA+0.33s to AAA | 2025-06-22 | 2025 MT MAC 44th Annual Firecracker Classic venue |
| 100 Butterfly | LCM | 1:09.41 | A+0.12s to AA | 2026-06-28 | 2026 MT MAC 45th Annual Firecracker Classic venue |
| 200 Butterfly | LCM | 2:55.97 | B+1.28s to BB | 2025-07-12 | 2025 MT HLST Last Chance Invitational slow pool |
| 200 Individual Medley | LCM | 2:43.00 | A+5.51s to AA | 2026-06-26 | 2026 MT MAC 45th Annual Firecracker Classic venue |
| 400 Individual Medley | LCM | 6:22.09 | B+3.30s to BB | 2025-07-13 | 2025 MT HLST Last Chance Invitational slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 Butterfly | SCY | 27.90 | flying | 200 Medley Relay (leg 3) | 2024-11-03 | 2024 MT MAC Fall Invitational |
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 15-16 · SCY
2895 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:39.53 | 668 |
| 200 FL SCY | 2:14.49 | 791 |
| 200 IM SCY | 2:15.28 | 781 |
| 400 IM SCY | 5:06.58 | 655 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
IMR 15-16 · SCY
3182 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 59.83 | 823 |
| 100 BR SCY | 1:11.32 | 739 |
| 100 FL SCY | 59.13 | 839 |
| 200 IM SCY | 2:15.28 | 781 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 59.54
Front half 28.74s · back half 30.80s
100 Backstroke SCY 59.83
Front half 28.61s · back half 31.22s
100 Breaststroke SCY 1:11.32
Front half 33.62s · back half 37.70s
200 Breaststroke SCY 2:39.53
Front half 77.34s · back half 82.19s
100 Butterfly SCY 59.13
Front half 27.04s · back half 32.09s
200 Butterfly SCY 2:14.49
Front half 63.25s · back half 71.24s
200 Individual Medley SCY 2:15.28
Front half 61.82s · back half 73.46s
400 Individual Medley SCY 5:06.58
800 Freestyle LCM 11:57.06
Front half 356.49s · back half 360.57s
100 Backstroke LCM 1:15.66
Front half 35.91s · back half 39.75s
200 Backstroke LCM 2:56.78
Front half 86.46s · back half 90.32s
100 Breaststroke LCM 1:22.67
Front half 38.66s · back half 44.01s
200 Breaststroke LCM 3:05.49
Front half 90.01s · back half 95.48s
200 Butterfly LCM 2:55.97
Front half 79.86s · back half 96.11s
200 Individual Medley LCM 2:43.00
Front half 77.05s · back half 85.95s
400 Individual Medley LCM 6:22.09
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.