swimJackson Merkel
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.49 | AAA+0.80s to AAAA | 2024-11-02 | 2024 Holland Fall Invite slow pool |
| 100 Freestyle | SCY | 45.86 | AAA+0.37s to AAAA | 2024-11-03 | 2024 Holland Fall Invite slow pool |
| 50 Backstroke | SCY | 24.33 | AA+0.04s to AAA | 2024-10-19 | 2024 Boo Bash Invitational slow pool |
| 100 Backstroke | SCY | 50.94 | AAA+1.75s to AAAA | 2024-11-02 | 2024 Holland Fall Invite slow pool |
| 100 Butterfly | SCY | 52.13 | AA+0.54s to AAA | 2024-11-03 | 2024 Holland Fall Invite slow pool |
| 50 Freestyle | LCM | 24.42 | AAA+0.43s to AAAA | 2024-03-21 | 2024 Spring Speedo Sectionals venue |
| 100 Freestyle | LCM | 52.76 | AAA+0.07s to AAAA | 2025-03-30 | 2025 Central Zone East Spring Speedo Sectiona venue |
| 200 Freestyle | LCM | 2:01.10 | AA+0.41s to AAA | 2024-06-28 | 2024 CW Eric Namesnik Memorial Open venue |
| 50 Backstroke | LCM | 27.91 | AAAA | 2024-07-26 | 2024 LCM ULTRA Championship Meet fast pool |
| 100 Backstroke | LCM | 58.10 | AAAA | 2025-03-29 | 2025 Central Zone East Spring Speedo Sectiona venue |
| 200 Backstroke | LCM | 2:14.60 | AA+0.81s to AAA | 2024-03-21 | 2024 Spring Speedo Sectionals venue |
| 100 Butterfly | LCM | 58.32 | AAA+2.03s to AAAA | 2025-03-28 | 2025 Central Zone East Spring Speedo Sectiona venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 46.00 | flat | 400 Free Relay | 2025-03-21 | 2025 ULTRA Championship Meet |
| 50 Freestyle | LCM | 24.60 | flat | 200 Free Relay | 2025-03-27 | 2025 Central Zone East Spring Speedo Sectiona |
| 100 Freestyle | LCM | 53.42 | flat | 400 Free Relay | 2024-03-22 | 2024 Spring Speedo Sectionals |
| 100 Freestyle | LCM | 52.47 | flying | 400 Free Relay (leg 4) | 2025-03-28 | 2025 Central Zone East Spring Speedo Sectiona |
| 200 Freestyle | LCM | 2:01.14 | flying | 800 Free Relay (leg 4) | 2024-07-27 | 2024 LCM ULTRA Championship Meet |
| 50 Backstroke | LCM | 28.11 | flat | 200 Medley Relay | 2024-03-22 | 2024 Spring Speedo Sectionals |
| 100 Backstroke | LCM | 58.58 | flat | 400 Medley Relay | 2025-03-30 | 2025 Central Zone East Spring Speedo Sectiona |
| 50 Butterfly | LCM | 26.21 | flying | 200 Medley Relay (leg 3) | 2025-03-28 | 2025 Central Zone East Spring Speedo Sectiona |
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 · LCM
837 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK LCM | 2:14.60 | 837 |
| 400 FR LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · LCM
2737 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:01.10 | 849 |
| 100 BK LCM | 58.10 | 1004 |
| 100 FL LCM | 58.32 | 884 |
| 100 BR LCM | — | 0 |
| 200 IM LCM | — | 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 45.86
Front half 22.33s · back half 23.53s
100 Backstroke SCY 50.94
Front half 24.62s · back half 26.32s
100 Butterfly SCY 52.13
Front half 24.36s · back half 27.77s
100 Freestyle LCM 52.76
Front half 25.73s · back half 27.03s
200 Freestyle LCM 2:01.10
Front half 56.34s · back half 64.76s
100 Backstroke LCM 58.10
Front half 28.52s · back half 29.58s
200 Backstroke LCM 2:14.60
Front half 65.07s · back half 69.53s
100 Butterfly LCM 58.32
Front half 27.21s · back half 31.11s
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.