swimJackson Kroh
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.44 | A+0.35s to AA·+0.85s to Sectionals | 2025-09-27 | 2025 NC SwimMac Blue Orange Intrasquadvenue |
| 100 Freestyle | SCY | 50.04 | AA+1.75s to AAA·+1.05s to Sectionals | 2025-09-28 | 2025 NC SwimMac Blue Orange Intrasquadvenue |
| 200 Freestyle | SCY | 1:39.48 | AAAA·Futures ✓+1.09s to Winter JNs | 2026-03-13 | 2026 NC TAC Speedo Champions Series ESSZvenue |
| 500 Freestyle | SCY | 5:32.90 | BB+18.01s to A·+40.01s to Sectionals | 2021-12-09 | 2021 VA 10th HOKI S&T Winter Champsvenue |
| 100 Backstroke | SCY | 49.91 | AAAA·Futures ✓+0.72s to Winter JNs | 2026-02-21 | 2026 NCS SC SR Champsvenue |
| 200 Backstroke | SCY | 1:47.97 | AAAA·Futures ✓+0.18s to Winter JNs | 2026-03-15 | 2026 NC TAC Speedo Champions Series ESSZvenue |
| 100 Breaststroke | SCY | 1:05.14 | BB+0.45s to A·+1.55s to Sectionals | 2025-09-27 | 2025 NC SwimMac Blue Orange Intrasquadvenue |
| 200 Breaststroke | SCY | 2:51.92 | +7.73s to B·+33.33s to Sectionals | 2021-12-12 | 2021 VA 10th HOKI S&T Winter Champsvenue |
| 100 Butterfly | SCY | 48.80 | AAAA·Futures ✓+0.11s to Winter JNs | 2026-03-13 | 2026 NC TAC Speedo Champions Series ESSZvenue |
| 200 Butterfly | SCY | 1:47.25 | AAAA·Jr Nationals ✓+1.36s to Nationals | 2026-03-14 | 2026 NC TAC Speedo Champions Series ESSZvenue |
| 100 Individual Medley | SCY | 56.98 | 2025-09-27 | 2025 NC SwimMac Blue Orange Intrasquadvenue | |
| 200 Individual Medley | SCY | 2:01.99 | AA+4.50s to AAA·+1.00s to Sectionals | 2024-03-24 | 2024 SwimRVA Shamrock Showdownvenue |
| 400 Individual Medley | SCY | 4:13.17 | AA+0.18s to AAA·Sectionals ✓+6.18s to Futures | 2024-03-22 | 2024 SwimRVA Shamrock Showdownvenue |
| 100 Freestyle | LCM | 52.95 | AAAA·Futures ✓+0.36s to Winter JNs | 2026-08-04 | 2026 Speedo Junior National Championshipsvenue |
| 200 Freestyle | LCM | 2:02.47 | AA+0.28s to AAA·Sectionals ✓+4.68s to Futures | 2025-05-16 | 2025 Charlotte Openvenue |
| 400 Freestyle | LCM | 4:26.65 | AA+6.06s to AAA·+4.46s to Sectionals | 2026-01-18 | 2026 NC SwimMAC Novant LCvenue |
| 800 Freestyle | LCM | 9:35.78 | A+9.59s to AA·+24.99s to Sectionals | 2026-04-17 | 2026 NC SwimMAC Blue/Orange LCvenue |
| 2000 Freestyle | LCM | 36:58.18 | 2024 Southern Zone Open Water Championshipsvenue | ||
| 5000 Freestyle | LCM | 64:38.41 | 2024-06-01 | 2024 Southern Zone Open Water Championshipsvenue | |
| 100 Backstroke | LCM | 59.73 | AAA+0.64s to AAAA·Futures ✓+0.94s to Winter JNs | 2025-03-29 | 2025 Central Zone East Spring Speedo Sectionavenue |
| 200 Backstroke | LCM | 2:09.07 | AAA+0.38s to AAAA·Futures ✓+0.78s to Winter JNs | 2025-03-27 | 2025 Central Zone East Spring Speedo Sectionavenue |
| 50 Butterfly | LCM | 27.24 | AAA+0.85s to AAAA·Sectionals ✓+0.95s to Futures | 2025-05-15 | 2025 Charlotte Openvenue |
| 100 Butterfly | LCM | 54.76 | AAAA·Jr Nationals ✓+0.07s to Nationals | 2026-08-05 | 2026 Speedo Junior National Championshipsvenue |
| 200 Butterfly | LCM | 2:02.50 | AAAA·Nationals ✓ | 2026-08-03 | 2026 Speedo Junior National Championshipsvenue |
| 200 Individual Medley | LCM | 2:12.58 | AAA+2.59s to AAAA·Futures ✓+3.29s to Winter JNs | 2024-07-26 | 2024 USAS Futures Championships-Minneapolisvenue |
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 | 27.00 | flat | 200 Free Relay | 2021-12-11 | 2021 VA 10th HOKI S&T Winter Champs |
| 50 Backstroke | SCY | 30.73 | flat | 200 Medley Relay | 2021-12-10 | 2021 VA 10th HOKI S&T Winter Champs |
| 50 Freestyle | LCM | 23.88 | flat | 200 Free Relay | 2026-08-03 | 2026 Speedo Junior National Championships |
| 100 Freestyle | LCM | 52.55 | flat | 400 Free Relay | 2026-08-06 | 2026 Speedo Junior National Championships |
| 200 Freestyle | LCM | 1:54.30 | flat | 800 Free Relay | 2026-08-04 | 2026 Speedo Junior National Championships |
| 200 Freestyle | LCM | 2:01.87 | flying | 800 Free Relay (leg 4) | 2025-03-29 | 2025 Central Zone East Spring Speedo Sectiona |
| 100 Backstroke | LCM | 1:00.23 | flat | 400 Medley Relay | 2025-03-30 | 2025 Central Zone East Spring Speedo Sectiona |
| 50 Butterfly | LCM | 24.87 | flying | 200 Medley Relay (leg 3) | 2026-08-05 | 2026 Speedo Junior National Championships |
| 100 Butterfly | LCM | 55.96 | flying | 400 Medley Relay (leg 3) | 2026-08-07 | 2026 Speedo Junior National Championships |
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
4545 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:32.90 | 547 |
| 200 BK SCY | 1:47.97 | 997 |
| 200 BR SCY | 2:51.92 | 354 |
| 200 FL SCY | 1:47.25 | 1072 |
| 200 IM SCY | 2:01.99 | 745 |
| 400 IM SCY | 4:13.17 | 830 |
IMR 17-18 · SCY
4357 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:39.48 | 1021 |
| 100 BK SCY | 49.91 | 939 |
| 100 BR SCY | 1:05.14 | 635 |
| 100 FL SCY | 48.80 | 1017 |
| 200 IM SCY | 2:01.99 | 745 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 50.04
Front half 24.23s · back half 25.81s
200 Freestyle SCY 1:39.48
Front half 48.61s · back half 50.87s
500 Freestyle SCY 5:32.90
Front half 162.17s · back half 170.73s
100 Backstroke SCY 49.91
Front half 24.51s · back half 25.40s
200 Backstroke SCY 1:47.97
100 Breaststroke SCY 1:05.14
Front half 30.42s · back half 34.72s
200 Breaststroke SCY 2:51.92
Front half 83.18s · back half 88.74s
100 Butterfly SCY 48.80
Front half 22.86s · back half 25.94s
200 Butterfly SCY 1:47.25
Front half 51.84s · back half 55.41s
100 Individual Medley SCY 56.98
Front half 26.16s · back half 30.82s
200 Individual Medley SCY 2:01.99
Front half 56.05s · back half 65.94s
400 Individual Medley SCY 4:13.17
Front half 119.40s · back half 133.77s
100 Freestyle LCM 52.95 RT 0.63s
Front half 25.32s · back half 27.63s
200 Freestyle LCM 2:02.47
Front half 61.09s · back half 61.38s
400 Freestyle LCM 4:26.65
Front half 130.44s · back half 136.21s
800 Freestyle LCM 9:35.78
Front half 288.97s · back half 286.81s
100 Backstroke LCM 59.73
Front half 29.48s · back half 30.25s
200 Backstroke LCM 2:09.07
Front half 63.38s · back half 65.69s
100 Butterfly LCM 54.76 RT 0.64s
Front half 25.63s · back half 29.13s
200 Butterfly LCM 2:02.50 RT 0.67s
Front half 57.44s · back half 65.06s
200 Individual Medley LCM 2:12.58
Front half 61.91s · back half 70.67s
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.