swimJasper Senko
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 36.03 | B+1.24s to BB·+13.74s to Sectionals | 2026-01-01 | TWST Speedo Winter Classic P/Ffast pool |
| 100 Freestyle | SCY | 1:22.12 | B+2.83s to BB·+33.83s to Sectionals | 2026-01-02 | 2026 SSAN Winter Invite |
| 200 Freestyle | SCY | 2:58.13 | B+7.44s to BB·+72.34s to Sectionals | 2026-01-02 | 2026 SSAN Winter Invite |
| 500 Freestyle | SCY | 7:56.39 | B+22.30s to BB·+190.30s to Sectionals | 2024-12-20 | 2024 Gulf Fall Champs (ESCA & AMBU)venue |
| 25 Backstroke | SCY | 22.17 | 2024-02-18 | 2024 Gulf 14 & Under Champs (DADS)venue | |
| 50 Backstroke | SCY | 42.25 | BB+4.46s to A·+16.56s to Sectionals | 2025-12-19 | Gulf Fall Championships |
| 100 Backstroke | SCY | 1:31.26 | B+0.77s to BB·+36.17s to Sectionals | 2025-12-19 | Gulf Fall Championships |
| 25 Breaststroke | SCY | 25.55 | 2024-02-17 | 2024 Gulf 14 & Under Champs (DADS)venue | |
| 50 Breaststroke | SCY | 46.03 | BB+3.94s to A·+16.54s to Sectionals | 2026-02-20 | 2026 Gulf 12 & Under Championships |
| 100 Breaststroke | SCY | 1:43.33 | BB+11.64s to A·+40.64s to Sectionals | 2026-01-02 | 2026 SSAN Winter Invite |
| 25 Butterfly | SCY | 22.90 | 2024-02-18 | 2024 Gulf 14 & Under Champs (DADS)venue | |
| 50 Butterfly | SCY | 37.85 | BB+1.76s to A·+13.56s to Sectionals | 2024-11-03 | SSAN 2024 Fall Invitevenue |
| 100 Butterfly | SCY | 2:03.89 | +10.00s to B·+71.20s to Sectionals | 2025-02-23 | MAC Hosted 2025 Gulf 12 & Under Champsvenue |
| 100 Individual Medley | SCY | 1:29.96 | B+0.17s to BB | 2026-01-01 | TWST Speedo Winter Classic P/Ffast pool |
| 200 Individual Medley | SCY | 3:14.25 | BB+20.76s to A·+74.86s to Sectionals | 2025-12-19 | Gulf Fall Championships |
| 100 Freestyle | LCM | 1:45.35 | +4.26s to B·+50.06s to Sectionals | 2024-04-20 | 2024 TWST Spring Splash LC Meetvenue |
| 50 Backstroke | LCM | 46.97 | BB+3.88s to A·+16.78s to Sectionals | 2026-04-17 | TWST Spring Splash LC Meet |
| 100 Backstroke | LCM | 2:00.79 | +4.10s to B·+56.30s to Sectionals | 2024-04-20 | 2024 TWST Spring Splash LC Meetvenue |
| 100 Breaststroke | LCM | 1:47.82 | BB+2.23s to A·+35.43s to Sectionals | 2026-04-17 | TWST Spring Splash LC Meet |
| 50 Butterfly | LCM | 1:06.20 | +13.91s to B·+38.41s to Sectionals | 2024-04-20 | 2024 TWST Spring Splash LC Meetvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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.
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 | 47.52 | flat | 200 Free Relay | 2024-02-17 | 2024 Gulf 14 & Under Champs (DADS) |
| 50 Freestyle | SCY | 38.42 | flying | 200 Free Relay (leg 3) | 2025-02-22 | MAC Hosted 2025 Gulf 12 & Under Champs |
| 50 Butterfly | SCY | 50.47 | flying | 200 Medley Relay (leg 3) | 2024-12-22 | 2024 Gulf Fall Champs (ESCA & AMBU) |
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 10 & under · SCY
1934 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:58.13 | 413 |
| 100 BK SCY | 1:31.26 | 432 |
| 100 BR SCY | 1:43.33 | 443 |
| 100 FL SCY | 2:03.89 | 178 |
| 200 IM SCY | 3:14.25 | 468 |
IMR 10 & under · SCY
2343 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:22.12 | 403 |
| 50 BK SCY | 42.25 | 442 |
| 50 BR SCY | 46.03 | 494 |
| 50 FL SCY | 37.85 | 538 |
| 100 IM SCY | 1:29.96 | 466 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 7:56.39
Front half 234.81s · back half 241.58s
100 Backstroke SCY 1:31.26 split/total mismatch
Front half 44.40s · back half 46.86s
100 Butterfly SCY 2:03.89
Front half 54.95s · back half 68.94s
100 Individual Medley SCY 1:29.96 split/total mismatch
Front half 41.88s · back half 48.08s
200 Individual Medley SCY 3:14.25 split/total mismatch
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.