swimJack McCullough
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.98 | AA+0.89s to AAA | 2023-12-16 | 2023 NBAC Christmas Invitational venue |
| 100 Freestyle | SCY | 50.50 | A+0.11s to AA | 2024-02-25 | 2024 MD LSC Senior Champs venue |
| 200 Freestyle | SCY | 1:50.56 | AA+4.17s to AAA | 2024-02-23 | 2024 MD LSC Senior Champs venue |
| 500 Freestyle | SCY | 5:00.50 | AA+11.91s to AAA | 2023-12-16 | 2023 NBAC Christmas Invitational venue |
| 50 Backstroke | SCY | 25.56 | AA+0.97s to AAA | 2025-02-21 | 2025 Speedo MD LSC Senior Champs venue |
| 100 Backstroke | SCY | 54.42 | AA+1.93s to AAA | 2025-02-22 | 2025 Speedo MD LSC Senior Champs venue |
| 200 Backstroke | SCY | 1:56.83 | AA+2.04s to AAA | 2025-02-23 | 2025 Speedo MD LSC Senior Champs venue |
| 100 Breaststroke | SCY | 1:19.08 | +3.59s to B | 2021-03-27 | MAC-NBAC March COVID Championships slow pool |
| 200 Breaststroke | SCY | 2:56.39 | +12.20s to B | 2021-01-17 | MDSI Virtual Meet Series 20-21/028 MAC Week 9 slow pool |
| 100 Butterfly | SCY | 57.07 | BB+0.38s to A | 2023-12-15 | 2023 NBAC Christmas Invitational venue |
| 200 Butterfly | SCY | 2:47.56 | +18.77s to B | 2021-01-16 | MDSI Virtual Meet Series 20-21/028 MAC Week 9 slow pool |
| 200 Individual Medley | SCY | 2:09.91 | BB+1.72s to A | 2021-12-18 | 2021 NBAC 47th Annual Christmas Invitational venue |
| 400 Individual Medley | SCY | 4:50.71 | BB+14.72s to A | 2022-10-09 | 2022 Eagle Swim Team Senior Invite venue |
| 50 Freestyle | LCM | 26.89 | A+0.20s to AA | 2023-05-14 | 2023 John C. Clegg Memorial Long Course Meet venue |
| 100 Freestyle | LCM | 1:00.54 | A+2.45s to AA | 2023-05-13 | 2023 John C. Clegg Memorial Long Course Meet venue |
| 200 Freestyle | LCM | 2:11.09 | A+3.40s to AA | 2023-06-03 | 2023 FOX Speedo Summer Spectacular Meet venue |
| 400 Freestyle | LCM | 4:40.18 | A+7.79s to AA | 2023-06-02 | 2023 FOX Speedo Summer Spectacular Meet venue |
| 50 Backstroke | LCM | 33.04 | BB+1.05s to A | 2022-05-20 | 2022 NBAC Spring Long Course Meet venue |
| 100 Backstroke | LCM | 1:06.33 | A+1.64s to AA | 2024-04-28 | 2024 ASC Spring Long Course Meet venue |
| 200 Backstroke | LCM | 2:26.51 | A+5.52s to AA | 2023-05-13 | 2023 John C. Clegg Memorial Long Course Meet venue |
| 50 Butterfly | LCM | 30.82 | BB+0.63s to A | 2022-05-20 | 2022 NBAC Spring Long Course Meet venue |
| 100 Butterfly | LCM | 1:15.04 | B+4.45s to BB | 2022-06-09 | 2022 Summer Speedo Spectaculare |
| 200 Butterfly | LCM | 2:57.81 | +8.22s to B | 2023-05-13 | 2023 John C. Clegg Memorial Long Course Meet venue |
| 200 Individual Medley | LCM | 2:36.39 | BB+7.80s to A | 2022-06-12 | 2022 Summer Speedo Spectaculare venue |
| 400 Individual Medley | LCM | 5:42.56 | BB+23.57s to A | 2021-07-23 | Summer Junior Champs LCM Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 23.41 | flying | 200 Free Relay (leg 2) | 2022-03-04 | 2022 MD LSC 14 & U CHAMPIONSHIPS |
| 100 Freestyle | SCY | 52.09 | flying | 400 Free Relay (leg 3) | 2021-12-17 | 2021 NBAC 47th Annual Christmas Invitational |
| 200 Freestyle | SCY | 1:53.36 | flat | 800 Free Relay | 2022-03-03 | 2022 MD LSC 14 & U CHAMPIONSHIPS |
| 50 Backstroke | SCY | 27.06 | flat | 200 Medley Relay | 2022-03-03 | 2022 MD LSC 14 & U CHAMPIONSHIPS |
| 100 Backstroke | SCY | 58.57 | flat | 400 Medley Relay | 2021-12-18 | 2021 NBAC 47th Annual 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
3304 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:00.50 | 744 |
| 200 BK SCY | 1:56.83 | 787 |
| 200 BR SCY | 2:56.39 | 328 |
| 200 FL SCY | 2:47.56 | 281 |
| 200 IM SCY | 2:09.91 | 616 |
| 400 IM SCY | 4:50.71 | 548 |
IMR 17-18 · SCY
3075 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:50.56 | 744 |
| 100 BK SCY | 54.42 | 725 |
| 100 BR SCY | 1:19.08 | 354 |
| 100 FL SCY | 57.07 | 636 |
| 200 IM SCY | 2:09.91 | 616 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 50.50
Front half 23.86s · back half 26.64s
200 Freestyle SCY 1:50.56
Front half 52.44s · back half 58.12s
100 Backstroke SCY 54.42
Front half 26.21s · back half 28.21s
200 Backstroke SCY 1:56.83
Front half 56.52s · back half 60.31s
100 Breaststroke SCY 1:19.08
Front half 38.38s · back half 40.70s
200 Breaststroke SCY 2:56.39
Front half 83.97s · back half 92.42s
100 Butterfly SCY 57.07
Front half 26.37s · back half 30.70s
200 Butterfly SCY 2:47.56
Front half 73.84s · back half 93.72s
200 Individual Medley SCY 2:09.91
Front half 59.77s · back half 70.14s
400 Individual Medley SCY 4:50.71
Front half 139.52s · back half 151.19s
100 Freestyle LCM 1:00.54
Front half 28.72s · back half 31.82s
200 Freestyle LCM 2:11.09
Front half 62.61s · back half 68.48s
400 Freestyle LCM 4:40.18
Front half 136.98s · back half 143.20s
100 Backstroke LCM 1:06.33
Front half 32.40s · back half 33.93s
200 Backstroke LCM 2:26.51
Front half 69.90s · back half 76.61s
200 Butterfly LCM 2:57.81
Front half 72.28s · back half 105.53s
200 Individual Medley LCM 2:36.39
Front half 71.32s · back half 85.07s
400 Individual Medley LCM 5:42.56
Front half 168.25s · back half 174.31s
Progression
Faster times are higher. One card per event, all courses & history.