swimJackson Shenfield
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.70 | BB+0.61s to A·+1.51s to Sectionals | 2026-03-21 | 2026 OSI Arena RegionXII SC Championships venue |
| 100 Freestyle | SCY | 58.07 | B+1.08s to BB·+7.08s to Sectionals | 2025-03-08 | OC Spring Finale venue |
| 200 Freestyle | SCY | 2:17.05 | +1.66s to B·+25.26s to Sectionals | 2025-02-14 | 2025 OR HS 6a-2 venue |
| 50 Backstroke | SCY | 33.55 | +2.36s to B·+9.86s to Futures | 2025-03-08 | OC Spring Finale venue |
| 100 Backstroke | SCY | 1:13.65 | +6.86s to B·+18.16s to Sectionals | 2025-05-10 | HRVST Spring Sprinter venue |
| 50 Breaststroke | SCY | 31.67 | BB+0.78s to A·+5.38s to Futures | 2026-03-22 | 2026 OSI Arena RegionXII SC Championships venue |
| 100 Breaststroke | SCY | 1:10.96 | B+0.87s to BB·+7.77s to Sectionals | 2026-03-21 | 2026 OSI Arena RegionXII SC Championships venue |
| 200 Breaststroke | SCY | 2:38.00 | B+5.51s to BB·+20.71s to Sectionals | 2026-03-20 | 2026 OSI Arena RegionXII SC Championships venue |
| 100 Butterfly | SCY | 1:19.25 | +13.16s to B·+24.06s to Sectionals | 2025-05-10 | HRVST Spring Sprinter venue |
| 200 Individual Medley | SCY | 2:32.06 | +2.47s to B·+28.07s to Sectionals | 2025-12-13 | 2025 FGSC Christmas Invitational venue |
| 100 Freestyle | SCM | 1:01.42 | BB+3.23s to A·+5.13s to Sectionals | 2026-04-25 | GACC Spring Invitational venue |
| 50 Backstroke | SCM | 37.23 | +2.74s to B | 2026-04-25 | GACC Spring Invitational venue |
| 50 Butterfly | SCM | 34.37 | B+2.38s to BB | 2026-04-25 | GACC Spring Invitational venue |
| 50 Freestyle | LCM | 28.62 | BB+0.83s to A·+1.63s to Sectionals | 2026-07-05 | Pendleton Open 2026 venue |
| 100 Freestyle | LCM | 1:05.34 | BB+4.75s to A·+6.35s to Sectionals | 2026-07-04 | Pendleton Open 2026 venue |
| 200 Freestyle | LCM | 2:29.98 | B+5.59s to BB·+21.29s to Sectionals | 2026-07-04 | Pendleton Open 2026 venue |
| 50 Backstroke | LCM | 38.10 | +0.71s to B·+10.21s to Futures | 2026-07-05 | Pendleton Open 2026 venue |
| 100 Backstroke | LCM | 1:22.58 | +3.89s to B·+17.39s to Sectionals | 2025-05-03 | 2025 THSC Spring Invitational venue |
| 50 Breaststroke | LCM | 35.72 | BB+0.73s to A·+4.83s to Futures | 2026-07-04 | Pendleton Open 2026 venue |
| 100 Breaststroke | LCM | 1:25.02 | B+3.23s to BB·+11.32s to Sectionals | 2026-07-05 | Pendleton Open 2026 venue |
| 200 Breaststroke | LCM | 3:09.57 | B+11.08s to BB·+28.69s to Sectionals | 2026-07-04 | Pendleton Open 2026 venue |
| 100 Butterfly | LCM | 1:35.33 | +19.34s to B·+32.24s to Sectionals | 2025-05-03 | 2025 THSC Spring Invitational venue |
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 | 27.12 | flat | 200 Free Relay | 2025-02-14 | 2025 OR HS 6a-2 |
| 50 Freestyle | SCY | 24.60 | flying | 200 Medley Relay (leg 4) | 2026-03-20 | 2026 OSI Arena RegionXII SC Championships |
| 50 Freestyle | SCY | 23.88 | flying | 200 Free Relay (leg 4) | 2026-03-20 | 2026 OSI Arena RegionXII SC Championships |
| 50 Breaststroke | SCY | 35.41 | flying | 200 Medley Relay (leg 2) | 2024-12-14 | 2024 FGSC Christmas 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 17-18 · SCY
840 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:38.00 | 456 |
| 200 IM SCY | 2:32.06 | 384 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
1794 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:17.05 | 390 |
| 100 BK SCY | 1:13.65 | 292 |
| 100 BR SCY | 1:10.96 | 491 |
| 100 FL SCY | 1:19.25 | 237 |
| 200 IM SCY | 2:32.06 | 384 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 58.07
Front half 28.16s · back half 29.91s
200 Freestyle SCY 2:17.05
100 Backstroke SCY 1:13.65
Front half 35.50s · back half 38.15s
100 Breaststroke SCY 1:10.96
Front half 32.61s · back half 38.35s
200 Breaststroke SCY 2:38.00
Front half 73.36s · back half 84.64s
100 Butterfly SCY 1:19.25
Front half 35.80s · back half 43.45s
200 Individual Medley SCY 2:32.06
Front half 70.83s · back half 81.23s
100 Freestyle SCM 1:01.42
Front half 29.50s · back half 31.92s
200 Freestyle LCM 2:29.98
Front half 71.57s · back half 78.41s
100 Backstroke LCM 1:22.58
Front half 37.79s · back half 44.79s
200 Breaststroke LCM 3:09.57
Front half 89.81s · back half 99.76s
100 Butterfly LCM 1:35.33
Front half 43.55s · back half 51.78s
Progression
Faster times are higher. One card per event, all courses & history.