swimRobert Jefferson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 13.55 | 2026-01-11 | 2026 CO NJ Narwhal Invitational fast pool | |
| 50 Freestyle | SCY | 30.70 | BB+0.61s to A | 2025-12-14 | 2025 CO NJ Blizzard Invite fast pool |
| 100 Freestyle | SCY | 1:07.31 | BB+2.12s to A | 2025-12-13 | 2025 CO NJ Blizzard Invite fast pool |
| 200 Freestyle | SCY | 2:30.49 | BB+7.70s to A | 2026-01-25 | 2026 CO TOPS Colorado Open venue |
| 500 Freestyle | SCY | 6:39.91 | BB+17.42s to A | 2025-12-12 | 2025 CO NJ Blizzard Invite |
| 25 Backstroke | SCY | 21.38 | 2023-09-30 | 2023 CO Gregg Gracheck Memorial venue | |
| 50 Backstroke | SCY | 36.04 | BB+1.15s to A | 2026-03-14 | Mile High Championship Invitational fast pool |
| 100 Backstroke | SCY | 1:16.44 | BB+0.85s to A | 2026-01-10 | 2026 CO NJ Narwhal Invitational fast pool |
| 50 Breaststroke | SCY | 40.53 | BB+1.04s to A | 2026-01-10 | 2026 CO NJ Narwhal Invitational fast pool |
| 100 Breaststroke | SCY | 1:27.55 | BB+2.56s to A | 2025-12-14 | 2025 CO NJ Blizzard Invite fast pool |
| 200 Breaststroke | SCY | 3:00.93 | A+4.94s to AA | 2026-03-15 | Mile High Championship Invitational fast pool |
| 25 Butterfly | SCY | 27.32 | 2023-09-30 | 2023 CO Gregg Gracheck Memorial venue | |
| 50 Butterfly | SCY | 33.60 | A+1.51s to AA | 2026-01-24 | 2026 CO TOPS Colorado Open venue |
| 100 Butterfly | SCY | 1:13.38 | A+1.49s to AA | 2026-03-15 | Mile High Championship Invitational fast pool |
| 100 Individual Medley | SCY | 1:16.06 | BB+0.77s to A | 2026-01-11 | 2026 CO NJ Narwhal Invitational fast pool |
| 200 Individual Medley | SCY | 2:47.19 | BB+3.50s to A | 2026-01-10 | 2026 CO NJ Narwhal Invitational fast pool |
| 50 Freestyle | LCM | 32.79 | AA+1.40s to AAA | 2026-04-12 | 2026 CO NJ SBL Pentathlon 12&U fast pool |
| 100 Freestyle | LCM | 1:15.40 | BB+0.11s to A | 2026-05-17 | 2026 CO ACES Spring Invite venue |
| 200 Freestyle | LCM | 2:38.82 | A+2.93s to AA | 2026-06-13 | 2026 CO CSI Long Course Open fast pool |
| 400 Freestyle | LCM | 5:51.61 | BB+7.22s to A | 2026-06-14 | 2026 CO CSI Long Course Open fast pool |
| 50 Backstroke | LCM | 41.93 | BB+1.64s to A | 2025-07-27 | 2025 CO CSI Age Group Championships venue |
| 100 Backstroke | LCM | 1:32.33 | BB+4.14s to A | 2026-04-25 | 2026 CO Arena Catch Me If You Can venue |
| 50 Breaststroke | LCM | 44.65 | A+1.76s to AA | 2026-06-14 | 2026 CO CSI Long Course Open fast pool |
| 100 Breaststroke | LCM | 1:40.46 | BB+1.17s to A | 2026-04-26 | 2026 CO Arena Catch Me If You Can venue |
| 50 Butterfly | LCM | 35.15 | AA+0.76s to AAA | 2026-06-13 | 2026 CO CSI Long Course Open fast pool |
| 100 Butterfly | LCM | 1:28.23 | BB+1.74s to A | 2026-04-25 | 2026 CO Arena Catch Me If You Can venue |
| 200 Individual Medley | LCM | 3:00.45 | A+1.26s to AA | 2026-06-14 | 2026 CO CSI Long Course Open fast pool |
| 400 Individual Medley | LCM | 6:40.80 | BB+0.81s to A | 2026-05-15 | 2026 CO ACES Spring Invite venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 | 28.90 | flat | 200 Free Relay | 2026-03-14 | Mile High Championship Invitational |
| 50 Freestyle | SCY | 29.61 | flying | 200 Free Relay (leg 2) | 2026-03-01 | 2026 CO CSI SC Age Group Championships |
| 50 Backstroke | SCY | 38.96 | flat | 200 Medley Relay | 2025-03-01 | 2025 CO CSI 14&U Age Group Championships |
| 50 Butterfly | SCY | 32.64 | flying | 200 Medley Relay (leg 3) | 2026-02-28 | 2026 CO CSI SC Age Group Championships |
| 50 Backstroke | LCM | 40.10 | flat | 200 Medley Relay | 2025-07-26 | 2025 CO CSI Age Group 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 11-12 · LCM
2500 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:51.61 | 537 |
| 100 BK LCM | 1:32.33 | 443 |
| 100 BR LCM | 1:40.46 | 486 |
| 100 FL LCM | 1:28.23 | 453 |
| 200 IM LCM | 3:00.45 | 581 |
IMR 11-12 · LCM
2822 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:38.82 | 605 |
| 50 BK LCM | 41.93 | 469 |
| 50 BR LCM | 44.65 | 528 |
| 50 FL LCM | 35.15 | 639 |
| 200 IM LCM | 3:00.45 | 581 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:07.31
Front half 30.86s · back half 36.45s
200 Freestyle SCY 2:30.49
Front half 69.06s · back half 81.43s
100 Backstroke SCY 1:16.44
Front half 36.60s · back half 39.84s
100 Breaststroke SCY 1:27.55
Front half 40.91s · back half 46.64s
200 Breaststroke SCY 3:00.93
Front half 88.44s · back half 92.49s
100 Butterfly SCY 1:13.38
Front half 34.58s · back half 38.80s
100 Individual Medley SCY 1:16.06
Front half 35.00s · back half 41.06s
200 Individual Medley SCY 2:47.19
Front half 78.98s · back half 88.21s
200 Freestyle LCM 2:38.82
Front half 74.87s · back half 83.95s
400 Freestyle LCM 5:51.61
Front half 170.00s · back half 181.61s
100 Breaststroke LCM 1:40.46
Front half 46.43s · back half 54.03s
200 Individual Medley LCM 3:00.45
Front half 85.06s · back half 95.39s
400 Individual Medley LCM 6:40.80
Front half 195.85s · back half 204.95s
Progression
Faster times are higher. One card per event, all courses & history.