Jackson Pereira
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.22 | A+0.53s to AA | 2026-01-09 | Friday Night at the Races - copied venue |
| 100 Freestyle | SCY | 50.07 | AA+0.28s to AAA | 2026-03-28 | 2026 NCAC Spring Tar Heel States - copied venue |
| 200 Freestyle | SCY | 1:44.38 | AAA+0.59s to AAAA | 2026-03-20 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 500 Freestyle | SCY | 4:47.17 | AAA+4.88s to AAAA | 2026-03-19 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 1000 Freestyle | SCY | 9:43.26 | AAAA | 2026-03-19 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 1650 Freestyle | SCY | 17:10.67 | AA+3.18s to AAA | 2025-10-25 | 2025 CAT Trick or Treat Meet slow pool |
| 50 Backstroke | SCY | 26.21 | AA+0.52s to AAA | 2026-01-09 | Friday Night at the Races - copied venue |
| 100 Backstroke | SCY | 51.52 | AAAA | 2026-03-21 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 200 Backstroke | SCY | 1:50.48 | AAAA | 2026-03-22 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 50 Breaststroke | SCY | 31.05 | A+0.26s to AA | 2026-01-09 | Friday Night at the Races - copied venue |
| 100 Breaststroke | SCY | 1:04.60 | A+0.01s to AA | 2025-12-13 | Triad Tropic Invitational - copied venue |
| 200 Breaststroke | SCY | 2:17.90 | AA+3.11s to AAA | 2025-12-14 | Triad Tropic Invitational - copied venue |
| 100 Butterfly | SCY | 56.25 | AA+2.26s to AAA | 2025-12-13 | Triad Tropic Invitational - copied venue |
| 200 Butterfly | SCY | 1:56.67 | AAA+1.18s to AAAA | 2026-02-28 | 2026 NCS SC AG CHAMPS venue |
| 100 Individual Medley | SCY | 58.78 | 2026-01-09 | Friday Night at the Races - copied venue | |
| 200 Individual Medley | SCY | 2:00.61 | AAA+4.92s to AAAA | 2025-12-14 | Triad Tropic Invitational - copied venue |
| 400 Individual Medley | SCY | 4:07.15 | AAAA | 2026-03-20 | 2026 NC TAC ESSZ Age Group Sectionals venue |
| 50 Freestyle | LCM | 28.59 | A+1.20s to AA | 2025-06-21 | 2025 Planet Swim Summer Championships venue |
| 100 Freestyle | LCM | 1:00.91 | A+1.22s to AA | 2025-06-22 | 2025 Planet Swim Summer Championships venue |
| 400 Freestyle | LCM | 4:29.11 | AA+1.32s to AAA | 2026-06-27 | 2026 Planet Swim Summer Championships venue |
| 800 Freestyle | LCM | 9:19.69 | AA+6.10s to AAA | 2025-07-17 | NCS LC AG Championships venue |
| 1500 Freestyle | LCM | 17:51.68 | AA+3.99s to AAA | 2025-07-20 | NCS LC AG Championships venue |
| 50 Backstroke | LCM | 29.71 | AAA+0.72s to AAAA | 2026-04-25 | 2026 RSA Warm Up to LC - copied - copied venue |
| 100 Backstroke | LCM | 1:03.85 | AA+0.06s to AAA | 2026-04-26 | 2026 RSA Warm Up to LC - copied - copied venue |
| 200 Backstroke | LCM | 2:10.82 | AAAA | 2026-06-27 | 2026 Planet Swim Summer Championships venue |
| 50 Breaststroke | LCM | 54.12 | +11.53s to B | 2022-05-01 | 2022 VA HOKI May Day Invite venue |
| 200 Breaststroke | LCM | 2:44.93 | A+0.74s to AA | 2026-06-26 | 2026 Planet Swim Summer Championships venue |
| 50 Butterfly | LCM | 30.04 | A+0.05s to AA | 2026-04-25 | 2026 RSA Warm Up to LC - copied - copied venue |
| 100 Butterfly | LCM | 1:07.00 | A+2.51s to AA | 2026-04-26 | 2026 RSA Warm Up to LC - copied - copied venue |
| 200 Butterfly | LCM | 2:16.13 | AAA+4.34s to AAAA | 2026-06-28 | 2026 Planet Swim Summer Championships venue |
| 200 Individual Medley | LCM | 2:17.64 | AAA+3.55s to AAAA | 2026-06-28 | 2026 Planet Swim Summer Championships venue |
| 400 Individual Medley | LCM | 4:46.77 | AAAA | 2026-06-26 | 2026 Planet Swim Summer Championships venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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 | 22.67 | flying | 200 Free Relay (leg 2) | 2026-02-28 | 2026 NCS SC AG CHAMPS |
| 100 Freestyle | SCY | 49.58 | flat | 400 Free Relay | 2026-03-20 | 2026 NC TAC ESSZ Age Group Sectionals |
| 100 Freestyle | SCY | 49.28 | flying | 400 Free Relay (leg 2) | 2026-02-27 | 2026 NCS SC AG CHAMPS |
| 200 Freestyle | SCY | 1:47.27 | flat | 800 Free Relay | 2026-02-26 | 2026 NCS SC AG CHAMPS |
| 50 Backstroke | SCY | 25.08 | flat | 200 Medley Relay | 2026-03-01 | 2026 NCS SC AG CHAMPS |
| 100 Backstroke | SCY | 52.00 | flat | 400 Medley Relay | 2026-02-28 | 2026 NCS SC AG CHAMPS |
| 100 Freestyle | LCM | 59.43 | flying | 400 Free Relay (leg 2) | 2025-07-18 | NCS LC AG Championships |
| 200 Freestyle | LCM | 2:09.38 | flying | 800 Free Relay (leg 4) | 2025-07-17 | NCS LC AG Championships |
| 100 Backstroke | LCM | 1:05.13 | flat | 400 Medley Relay | 2025-07-19 | NCS LC AG 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 15-16 · SCY
5305 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:47.17 | 890 |
| 200 BK SCY | 1:50.48 | 1005 |
| 200 BR SCY | 2:17.90 | 749 |
| 200 FL SCY | 1:56.67 | 901 |
| 200 IM SCY | 2:00.61 | 826 |
| 400 IM SCY | 4:07.15 | 934 |
IMR 15-16 · SCY
4140 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:44.38 | 932 |
| 100 BK SCY | 51.52 | 952 |
| 100 BR SCY | 1:04.60 | 712 |
| 100 FL SCY | 56.25 | 718 |
| 200 IM SCY | 2:00.61 | 826 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 50.07
Front half 24.17s · back half 25.90s
200 Freestyle SCY 1:44.38
Front half 50.33s · back half 54.05s
500 Freestyle SCY 4:47.17
1000 Freestyle SCY 9:43.26
Front half 287.17s · back half 296.09s
1650 Freestyle SCY 17:10.67
100 Backstroke SCY 51.52
Front half 25.12s · back half 26.40s
200 Backstroke SCY 1:50.48
Front half 54.11s · back half 56.37s
100 Breaststroke SCY 1:04.60
Front half 30.45s · back half 34.15s
200 Breaststroke SCY 2:17.90
Front half 66.31s · back half 71.59s
100 Butterfly SCY 56.25
Front half 26.26s · back half 29.99s
200 Butterfly SCY 1:56.67
Front half 55.39s · back half 61.28s
100 Individual Medley SCY 58.78
Front half 27.16s · back half 31.62s
200 Individual Medley SCY 2:00.61
Front half 56.86s · back half 63.75s
400 Individual Medley SCY 4:07.15
Front half 118.58s · back half 128.57s
100 Freestyle LCM 1:00.91
Front half 29.47s · back half 31.44s
400 Freestyle LCM 4:29.11
Front half 132.77s · back half 136.34s
800 Freestyle LCM 9:19.69 RT 0.85s
Front half 275.57s · back half 284.12s
1500 Freestyle LCM 17:51.68 RT 0.78s
Front half 532.19s · back half 539.49s
100 Backstroke LCM 1:03.85
Front half 31.21s · back half 32.64s
200 Backstroke LCM 2:10.82
Front half 64.35s · back half 66.47s
200 Breaststroke LCM 2:44.93
Front half 78.86s · back half 86.07s
100 Butterfly LCM 1:07.00
Front half 31.56s · back half 35.44s
200 Butterfly LCM 2:16.13
Front half 65.51s · back half 70.62s
200 Individual Medley LCM 2:17.64
Front half 64.51s · back half 73.13s
400 Individual Medley LCM 4:46.77
Front half 137.91s · back half 148.86s
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.