swimKaylee Mathiesen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.31 | AA+0.32s to AAA·Sectionals ✓+1.42s to Futures | 2024-12-21 | 2024 CA-NV December Sectionals At BREAvenue |
| 100 Freestyle | SCY | 52.58 | AAA+0.89s to AAAA·Sectionals ✓+0.69s to Futures | 2026-03-01 | 2026 CA NV Speedo Sect @ CCAvenue |
| 50 Breaststroke | SCY | 29.95 | AAAA·+0.16s to Futures | 2026-02-28 | 2026 CA NV Speedo Sect @ CCAvenue |
| 100 Breaststroke | SCY | 1:03.64 | AAAA·Futures ✓+0.55s to Winter JNs | 2023-12-14 | Armada Swimming |
| 200 Breaststroke | SCY | 2:20.13 | AAA+0.04s to AAAA·Futures ✓+2.94s to Winter JNs | 2026-02-28 | 2026 CA NV Speedo Sect @ CCAvenue |
| 100 Butterfly | SCY | 58.92 | AA+0.73s to AAA·Sectionals ✓+2.33s to Futures | 2023-12-14 | Armada Swimming |
| 200 Individual Medley | SCY | 2:07.03 | AAA+2.44s to AAAA·Sectionals ✓+0.64s to Futures | 2026-03-01 | 2026 CA NV Speedo Sect @ CCAvenue |
| 50 Freestyle | LCM | 28.64 | AA+0.25s to AAA·Sectionals ✓+1.25s to Futures | 2026-07-11 | Pacific Swimming Long Course Senior Openvenue |
| 100 Freestyle | LCM | 1:01.35 | AAA+2.66s to AAAA·Sectionals ✓+2.06s to Futures | 2024-06-30 | Arena Grand Challenge 2024venue |
| 50 Breaststroke | LCM | 29.91 | AAAA·US Open ✓ | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 100 Breaststroke | LCM | 1:15.32 | AAA+1.63s to AAAA·Futures ✓+1.53s to Winter JNs | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 200 Breaststroke | LCM | 2:46.41 | AAA+6.62s to AAAA·Sectionals ✓+3.02s to Futures | 2026-07-10 | Pacific Swimming Long Course Senior Openvenue |
| 50 Butterfly | LCM | 29.90 | AAA+0.71s to AAAA·+0.41s to Futures | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 100 Butterfly | LCM | 1:07.11 | AA+0.82s to AAA·Sectionals ✓+2.42s to Futures | 2024-06-28 | Arena Grand Challenge 2024venue |
| 200 Individual Medley | LCM | 2:29.74 | AAA+6.65s to AAAA·Sectionals ✓+3.55s to Futures | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.73 | flat | 200 Free Relay | 2026-02-26 | 2026 CA NV Speedo Sect @ CCA |
| 100 Freestyle | SCY | 53.44 | flat | 400 Free Relay | 2026-03-01 | 2026 CA NV Speedo Sect @ CCA |
| 100 Freestyle | SCY | 56.33 | flying | 400 Free Relay (leg 2) | 2024-12-22 | 2024 CA-NV December Sectionals At BREA |
| 200 Freestyle | SCY | 1:54.82 | flat | 800 Free Relay | 2026-02-26 | 2026 CA NV Speedo Sect @ CCA |
| 50 Breaststroke | SCY | 29.59 | flying | 200 Medley Relay (leg 2) | 2026-02-28 | 2026 CA NV Speedo Sect @ CCA |
| 100 Breaststroke | SCY | 1:04.65 | flying | 400 Medley Relay (leg 2) | 2026-02-27 | 2026 CA NV Speedo Sect @ CCA |
| 50 Freestyle | LCM | 28.17 | flying | 200 Free Relay (leg 2) | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 100 Freestyle | LCM | 1:02.57 | flying | 400 Free Relay (leg 2) | 2025-07-25 | USA Swimming Futures Sacramento 2025 |
| 200 Freestyle | LCM | 2:14.39 | flying | 800 Free Relay (leg 3) | 2025-07-24 | USA Swimming Futures Sacramento 2025 |
| 50 Breaststroke | LCM | 34.66 | flying | 200 Medley Relay (leg 2) | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 100 Breaststroke | LCM | 1:15.76 | flying | 400 Medley Relay (leg 2) | 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
1865 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:20.13 | 965 |
| 200 IM SCY | 2:07.03 | 900 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2718 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR SCY | 1:03.64 | 997 |
| 100 FL SCY | 58.92 | 821 |
| 200 IM SCY | 2:07.03 | 900 |
| 200 FR SCY | — | 0 |
| 100 BK 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 52.58
Front half 25.29s · back half 27.29s
100 Breaststroke SCY 1:03.64
Front half 29.94s · back half 33.70s
200 Breaststroke SCY 2:20.13
Front half 66.29s · back half 73.84s
100 Butterfly SCY 58.92
200 Individual Medley SCY 2:07.03
Front half 61.64s · back half 65.39s
100 Breaststroke LCM 1:15.32 split/total mismatch
Front half 35.70s · back half 39.62s
200 Breaststroke LCM 2:46.41
Front half 81.56s · back half 84.85s
200 Individual Medley LCM 2:29.74 split/total mismatch
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.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.