Mark Crook
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.46 | AAA+0.07s to AAAA | 2025-12-05 | 2025 Holiday Classic venue |
| 100 Freestyle | SCY | 46.96 | AAA+0.17s to AAAA | 2025-12-05 | 2025 Holiday Classic |
| 200 Freestyle | SCY | 1:43.76 | AAA+1.57s to AAAA | 2025-12-05 | 2025 Holiday Classic |
| 500 Freestyle | SCY | 4:43.24 | AAA+5.45s to AAAA | 2025-02-21 | 2025 SE Southeastern Winter SC Championships |
| 1000 Freestyle | SCY | 10:19.27 | AA+12.88s to AAA | 2025-10-17 | 2025 HSA Fran Norris Meet venue |
| 50 Backstroke | SCY | 27.06 | A+0.97s to AA | 2025-04-12 | 19th Annual Sprint Medal Meet 2025 venue |
| 100 Backstroke | SCY | 53.49 | AA+0.20s to AAA | 2025-12-05 | 2025 Holiday Classic |
| 200 Backstroke | SCY | 1:56.99 | AA+0.30s to AAA | 2025-12-07 | 2025 Holiday Classic venue |
| 50 Breaststroke | SCY | 30.98 | A+0.79s to AA | 2025-04-12 | 19th Annual Sprint Medal Meet 2025 venue |
| 100 Breaststroke | SCY | 1:01.96 | AA+1.47s to AAA | 2024-12-08 | 2024 Holiday Classic venue |
| 200 Breaststroke | SCY | 2:23.79 | BB+0.60s to A | 2023-11-04 | Splash From The Past (90's Theme) |
| 50 Butterfly | SCY | 25.36 | AA+0.37s to AAA | 2025-04-12 | 19th Annual Sprint Medal Meet 2025 venue |
| 100 Butterfly | SCY | 53.39 | AA+0.50s to AAA | 2025-12-05 | 2025 Holiday Classic |
| 200 Butterfly | SCY | 2:11.94 | BB+2.75s to A | 2024-11-10 | 2024 MSA Veterans Day venue |
| 100 Individual Medley | SCY | 57.58 | 2025-09-27 | Kona Ice Invitational - copied venue | |
| 200 Individual Medley | SCY | 1:56.96 | AAA+3.47s to AAAA | 2025-12-05 | 2025 Holiday Classic venue |
| 400 Individual Medley | SCY | 4:20.21 | AA+5.72s to AAA | 2025-01-17 | 2025 HSA TYR Invitational venue |
| 50 Freestyle | LCM | 25.20 | AAA+0.41s to AAAA | 2026-06-21 | 2026 June Classic venue |
| 100 Freestyle | LCM | 53.99 | AAA+0.10s to AAAA | 2026-05-17 | 2026 Officially Summer Invitational venue |
| 200 Freestyle | LCM | 2:01.05 | AAA+3.06s to AAAA | 2026-06-20 | 2026 June Classic venue |
| 400 Freestyle | LCM | 4:18.63 | AAA+6.94s to AAAA | 2024-07-20 | 2024 SE Southeastern Summer LC Championships venue |
| 800 Freestyle | LCM | 9:18.38 | AA+11.89s to AAA | 2025-05-17 | 2025 May Invitational venue |
| 50 Backstroke | LCM | 29.83 | AA+0.04s to AAA | 2026-06-05 | 2026 June Sprint venue |
| 100 Backstroke | LCM | 1:01.52 | AAA+1.93s to AAAA | 2026-06-21 | 2026 June Classic venue |
| 200 Backstroke | LCM | 2:15.54 | AA+0.15s to AAA | 2026-05-17 | 2026 Officially Summer Invitational venue |
| 50 Breaststroke | LCM | 39.61 | B+0.72s to BB | 2022-07-14 | 2022 SE Southeastern LC Championships |
| 100 Breaststroke | LCM | 1:12.31 | AA+1.72s to AAA | 2024-07-19 | 2024 SE Southeastern Summer LC Championships venue |
| 200 Breaststroke | LCM | 2:49.56 | BB+2.07s to A | 2024-06-15 | 2024 HSA June Invitational venue |
| 50 Butterfly | LCM | 27.41 | AAA+0.52s to AAAA | 2026-06-05 | 2026 June Sprint venue |
| 100 Butterfly | LCM | 59.96 | AAA+2.17s to AAAA | 2026-05-17 | 2026 Officially Summer Invitational venue |
| 200 Butterfly | LCM | 2:24.20 | A+2.61s to AA | 2025-05-17 | 2025 May Invitational venue |
| 200 Individual Medley | LCM | 2:18.33 | AAA+5.94s to AAAA | 2026-06-05 | 2026 June Sprint venue |
| 400 Individual Medley | LCM | 4:57.88 | AA+2.29s to AAA | 2026-05-16 | 2026 Officially Summer Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.74 | flying | 200 Medley Relay (leg 4) | 2024-11-10 | 2024 MSA Veterans Day |
| 100 Freestyle | SCY | 46.16 | flying | 400 Medley Relay (leg 4) | 2026-02-28 | 2026 SE Southeastern Winter SC Championships |
| 100 Freestyle | SCY | 46.25 | flying | 400 Free Relay (leg 4) | 2026-02-27 | 2026 SE Southeastern Winter SC Championships |
| 100 Freestyle | LCM | 55.32 | flying | 400 Free Relay (leg 3) | 2024-07-24 | 2024 WT Southern Zone Age Group Championship |
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 15-16 · LCM
4832 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:18.63 | 909 |
| 200 BK LCM | 2:15.54 | 865 |
| 200 BR LCM | 2:49.56 | 636 |
| 200 FL LCM | 2:24.20 | 712 |
| 200 IM LCM | 2:18.33 | 870 |
| 400 IM LCM | 4:57.88 | 840 |
IMR 15-16 · LCM
4372 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:01.05 | 914 |
| 100 BK LCM | 1:01.52 | 904 |
| 100 BR LCM | 1:12.31 | 798 |
| 100 FL LCM | 59.96 | 886 |
| 200 IM LCM | 2:18.33 | 870 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
1000 Freestyle SCY 10:19.27
Front half 297.84s · back half 321.43s
200 Backstroke SCY 1:56.99
Front half 56.19s · back half 60.80s
100 Breaststroke SCY 1:01.96
Front half 28.61s · back half 33.35s
200 Breaststroke SCY 2:23.79 split/total mismatch
200 Butterfly SCY 2:11.94
Front half 59.48s · back half 72.46s
100 Individual Medley SCY 57.58
Front half 26.02s · back half 31.56s
200 Individual Medley SCY 1:56.96
Front half 54.50s · back half 62.46s
400 Individual Medley SCY 4:20.21
Front half 122.50s · back half 137.71s
100 Freestyle LCM 53.99
Front half 25.90s · back half 28.09s
200 Freestyle LCM 2:01.05
Front half 58.32s · back half 62.73s
400 Freestyle LCM 4:18.63
Front half 125.94s · back half 132.69s
800 Freestyle LCM 9:18.38
Front half 274.80s · back half 283.58s
100 Backstroke LCM 1:01.52
Front half 30.06s · back half 31.46s
200 Backstroke LCM 2:15.54
Front half 63.61s · back half 71.93s
100 Breaststroke LCM 1:12.31
Front half 34.14s · back half 38.17s
200 Breaststroke LCM 2:49.56
Front half 80.51s · back half 89.05s
100 Butterfly LCM 59.96
Front half 27.77s · back half 32.19s
200 Butterfly LCM 2:24.20
Front half 67.35s · back half 76.85s
200 Individual Medley LCM 2:18.33
Front half 62.34s · back half 75.99s
400 Individual Medley LCM 4:57.88
Front half 143.69s · back half 154.19s
Progression
Faster times are higher. One card per event, all courses & history.