Mckinley Jefferson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.12 | AA+0.33s to AAA·+0.33s to Sectionals | 2025-03-29 | 2025 EZ Reg 2 SC Speedo Champ Series venue |
| 100 Freestyle | SCY | 54.19 | AA+0.40s to AAA·+1.10s to Sectionals | 2024-11-19 | BHA Fall Splash ABBC |
| 200 Freestyle | SCY | 1:57.48 | AA+0.69s to AAA·+2.49s to Sectionals | 2025-03-27 | 2025 EZ Reg 2 SC Speedo Champ Series |
| 500 Freestyle | SCY | 5:18.02 | AA+5.13s to AAA·+9.23s to Sectionals | 2025-03-29 | 2025 EZ Reg 2 SC Speedo Champ Series venue |
| 1000 Freestyle | SCY | 11:32.75 | A+7.36s to AA·+53.76s to Sectionals | 2025-01-06 | SJAC Distance Challenge |
| 1650 Freestyle | SCY | 19:07.81 | A+18.02s to AA·+78.42s to Sectionals | 2025-01-06 | SJAC Distance Challenge |
| 50 Backstroke | SCY | 28.38 | AA+0.99s to AAA·+2.09s to Futures | 2026-03-27 | 2026 EZ SCY Sectional Meet venue |
| 100 Backstroke | SCY | 58.59 | AA+0.10s to AAA·Sectionals ✓+1.50s to Futures | 2025-03-29 | 2025 EZ Reg 2 SC Speedo Champ Series venue |
| 200 Backstroke | SCY | 2:04.48 | AAA+3.09s to AAAA·Sectionals ✓+0.29s to Futures | 2025-03-30 | 2025 EZ Reg 2 SC Speedo Champ Series venue |
| 200 Breaststroke | SCY | 2:49.29 | BB+10.80s to A·+19.90s to Sectionals | 2025-10-14 | BWA First Splash Meet |
| 50 Butterfly | SCY | 28.08 | AA+0.69s to AAA·+2.39s to Futures | 2025-01-27 | SJAC Friday Night Sprints |
| 100 Butterfly | SCY | 1:00.54 | AA+2.55s to AAA·+2.05s to Sectionals | 2024-11-19 | BHA Fall Splash ABBC |
| 200 Individual Medley | SCY | 2:07.33 | AAA+2.74s to AAAA·Sectionals ✓+0.94s to Futures | 2025-11-15 | 2025 Fall Splash ABBC |
| 400 Individual Medley | SCY | 4:50.81 | A+0.12s to AA·+12.42s to Sectionals | 2024-11-19 | BHA Fall Splash ABBC |
| 50 Freestyle | LCM | 29.63 | AA+1.24s to AAA·+1.34s to Sectionals | 2025-05-17 | 2025 NBAC Spring LC Invitational Meet venue |
| 100 Freestyle | LCM | 1:03.46 | AA+2.07s to AAA·+2.77s to Sectionals | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 200 Freestyle | LCM | 2:16.32 | AA+3.33s to AAA·+5.43s to Sectionals | 2025-05-16 | 2025 NBAC Spring LC Invitational Meet |
| 400 Freestyle | LCM | 4:52.45 | AA+11.86s to AAA·+14.76s to Sectionals | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 50 Backstroke | LCM | 33.96 | AA+1.17s to AAA·+3.07s to Futures | 2025-05-16 | 2025 NBAC Spring LC Invitational Meet venue |
| 100 Backstroke | LCM | 1:10.09 | AA+2.10s to AAA·+2.20s to Sectionals | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 200 Backstroke | LCM | 2:27.57 | AAA+6.48s to AAAA·+1.38s to Sectionals | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 50 Breaststroke | LCM | 40.76 | BB+1.17s to A·+5.97s to Futures | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 50 Butterfly | LCM | 32.43 | A+0.54s to AA·+2.94s to Futures | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet venue |
| 100 Butterfly | LCM | 1:12.74 | BB+0.55s to A·+6.45s to Sectionals | 2024-05-17 | 2024 NBAC Spring LC Invitational Meet |
| 200 Individual Medley | LCM | 2:38.69 | A+2.50s to AA·+10.30s to Sectionals | 2025-05-18 | 2025 NBAC Spring LC Invitational Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 | 26.08 | flying | 200 Free Relay (leg 3) | 2026-03-29 | 2026 EZ SCY Sectional Meet |
| 100 Freestyle | SCY | 55.59 | flat | 400 Free Relay | 2025-12-14 | 2025 Katie Ledecky Invitational |
| 100 Freestyle | SCY | 55.09 | flying | 400 Free Relay (leg 4) | 2026-03-28 | 2026 EZ SCY Sectional Meet |
| 100 Freestyle | SCY | 55.52 | flying | 400 Medley Relay (leg 4) | 2026-03-29 | 2026 EZ SCY Sectional Meet |
| 200 Freestyle | SCY | 1:57.25 | flying | 800 Free Relay (leg 2) | 2026-03-27 | 2026 EZ SCY Sectional Meet |
| 50 Backstroke | SCY | 28.90 | flat | 200 Medley Relay | 2026-03-28 | 2026 EZ SCY Sectional Meet |
| 200 Freestyle | LCM | 2:18.21 | flying | 800 Free Relay (leg 3) | 2025-07-10 | 2025 Middle Atlantic Swimming LC Senior Champ |
| 50 Backstroke | LCM | 32.85 | flat | 200 Medley Relay | 2024-05-19 | 2024 NBAC Spring LC Invitational Meet |
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
3872 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:18.02 | 817 |
| 200 BK SCY | 2:04.48 | 875 |
| 200 BR SCY | 2:49.29 | 547 |
| 200 IM SCY | 2:07.33 | 894 |
| 400 IM SCY | 4:50.81 | 739 |
| 200 FL SCY | — | 0 |
IMR 17-18 · SCY
3306 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:57.48 | 829 |
| 100 BK SCY | 58.59 | 826 |
| 100 FL SCY | 1:00.54 | 757 |
| 200 IM SCY | 2:07.33 | 894 |
| 100 BR SCY | — | 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 54.19 split/total mismatch
Front half 26.04s · back half 28.15s
500 Freestyle SCY 5:18.02
Front half 154.27s · back half 163.75s
100 Backstroke SCY 58.59
Front half 28.67s · back half 29.92s
200 Backstroke SCY 2:04.48
Front half 60.39s · back half 64.09s
200 Breaststroke SCY 2:49.29 split/total mismatch
100 Butterfly SCY 1:00.54 split/total mismatch
Front half 28.31s · back half 32.23s
400 Individual Medley SCY 4:50.81 split/total mismatch
100 Freestyle LCM 1:03.46
Front half 30.30s · back half 33.16s
200 Freestyle LCM 2:16.32
Front half 65.15s · back half 71.17s
400 Freestyle LCM 4:52.45
Front half 142.80s · back half 149.65s
100 Backstroke LCM 1:10.09
Front half 33.97s · back half 36.12s
200 Backstroke LCM 2:27.57
Front half 71.31s · back half 76.26s
100 Butterfly LCM 1:12.74
Front half 33.79s · back half 38.95s
200 Individual Medley LCM 2:38.69
Front half 73.54s · back half 85.15s
Progression
Faster times are higher. One card per event, all courses & history.