Benjamin Pei
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.41 | AAA+0.32s to AAAA·Sectionals ✓+0.12s to Futures | 2025-11-09 | 2025 MN WOLF HOWL AT THE MOON INVITEvenue |
| 100 Freestyle | SCY | 47.43 | AAA+1.34s to AAAA·Sectionals ✓+1.04s to Futures | 2025-02-02 | 2025 MN NSAC Winter Invitevenue |
| 200 Freestyle | SCY | 1:40.63 | AAAA·Futures ✓+2.24s to Winter JNs | 2025-12-12 | 2025 West Speedo Winter Juniorsvenue |
| 500 Freestyle | SCY | 4:51.00 | AA+2.41s to AAA·Sectionals ✓+13.91s to Futures | 2025-02-14 | 2025 MN RSC President's Day Meetvenue |
| 50 Backstroke | SCY | 25.18 | AA+0.59s to AAA·+0.69s to Sectionals | 2025-10-11 | 2025 MN AQJT 4th Annual Shootout Invite - copvenue |
| 100 Backstroke | SCY | 51.75 | AAA+1.66s to AAAA·Sectionals ✓+0.26s to Futures | 2025-11-22 | 2025 MN STRM 4th Annual Movember Invitevenue |
| 200 Backstroke | SCY | 1:49.14 | AAAA·Futures ✓+1.35s to Winter JNs | 2025-12-13 | 2025 West Speedo Winter Juniorsvenue |
| 100 Breaststroke | SCY | 1:03.68 | A+1.59s to AA·+0.09s to Sectionals | 2025-02-15 | 2025 MN RSC President's Day Meetvenue |
| 100 Butterfly | SCY | 53.25 | AA+1.26s to AAA·Sectionals ✓+2.66s to Futures | 2025-02-14 | 2025 MN RSC President's Day Meetvenue |
| 200 Butterfly | SCY | 2:03.67 | A+1.48s to AA·+0.88s to Sectionals | 2025-02-15 | 2025 MN RSC President's Day Meetvenue |
| 200 Individual Medley | SCY | 2:00.37 | AA+2.88s to AAA·Sectionals ✓+6.48s to Futures | 2024-12-22 | 2024 MN AQJT Holiday Invitevenue |
| 50 Freestyle | LCM | 24.55 | AAA+0.16s to AAAA·Futures ✓+0.46s to Winter JNs | 2026-06-12 | 2026 MN AQJT Aquajets Summer Spectacularvenue |
| 100 Freestyle | LCM | 53.18 | AAA+0.19s to AAAA·Futures ✓+0.59s to Winter JNs | 2026-07-29 | 2026 TYR FUTURES MADISON |
| 200 Freestyle | LCM | 1:54.31 | AAAA·Winter JNs ✓+0.22s to Jr Nationals | 2026-07-29 | 2026 TYR FUTURES MADISON |
| 400 Freestyle | LCM | 4:09.96 | AAA+1.27s to AAAA·Futures ✓+4.97s to Winter JNs | 2026-06-12 | 2026 MN AQJT Aquajets Summer Spectacularvenue |
| 50 Backstroke | LCM | 28.83 | AAA+0.84s to AAAA·+0.14s to Sectionals | 2025-06-13 | 2025 MN NSAC Summer Slam Invitevenue |
| 100 Backstroke | LCM | 59.95 | AAA+0.86s to AAAA·Futures ✓+1.16s to Winter JNs | 2026-07-29 | 2026 TYR FUTURES MADISON |
| 200 Backstroke | LCM | 2:07.97 | AAAA·Winter JNs ✓+0.98s to Jr Nationals | 2026-07-29 | 2026 TYR FUTURES MADISON |
| 100 Breaststroke | LCM | 1:13.83 | A+1.44s to AA·+1.04s to Sectionals | 2025-06-15 | 2025 MN NSAC Summer Slam Invitevenue |
| 100 Butterfly | LCM | 59.94 | AA+0.25s to AAA·Sectionals ✓+1.95s to Futures | 2026-05-30 | 2026 MN WOLF HUFF N PUFF INVITEvenue |
| 200 Individual Medley | LCM | 2:13.40 | AAA+3.41s to AAAA·Sectionals ✓+0.61s to Futures | 2025-06-01 | 2025 MN WOLF HUFF N PUFF INVITEvenue |
| 400 Individual Medley | LCM | 4:46.11 | AAA+7.02s to AAAA·Sectionals ✓+3.72s to Futures | 2026-06-27 | 2026 STAR Summer Splash Invitevenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 21.25 | flying | 200 Free Relay (leg 2) | 2025-12-12 | 2025 West Speedo Winter Juniors |
| 50 Freestyle | SCY | 21.68 | flying | 200 Medley Relay (leg 4) | 2025-11-22 | 2025 MN STRM 4th Annual Movember Invite |
| 100 Freestyle | SCY | 46.01 | flying | 400 Free Relay (leg 2) | 2025-12-13 | 2025 West Speedo Winter Juniors |
| 50 Freestyle | LCM | 24.26 | flying | 200 Free Relay (leg 2) | 2025-08-01 | 2025 ND DRGN MN Senior LC State Championship |
| 100 Freestyle | LCM | 53.98 | flying | 400 Medley Relay (leg 4) | 2025-08-02 | 2025 ND DRGN MN Senior LC State Championship |
| 100 Freestyle | LCM | 53.64 | flying | 400 Free Relay (leg 2) | 2026-07-11 | 2026 CENTRAL ZONE NORTH SUMMER CHAMPIONSHIPS |
| 200 Freestyle | LCM | 1:56.56 | flat | 800 Free Relay | 2026-07-10 | 2026 CENTRAL ZONE NORTH SUMMER CHAMPIONSHIPS |
| 200 Freestyle | LCM | 1:57.58 | flying | 800 Free Relay (leg 2) | 2025-07-31 | 2025 ND DRGN MN Senior LC State Championship |
| 50 Backstroke | LCM | 29.07 | flat | 200 Medley Relay | 2024-07-18 | 2024 MN RSC Minnesota LC State Championship |
| 100 Backstroke | LCM | 1:03.18 | flat | 400 Medley Relay | 2024-07-20 | 2024 MN RSC Minnesota LC State 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 17-18 · LCM
3712 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:09.96 | 940 |
| 200 BK LCM | 2:07.97 | 974 |
| 200 IM LCM | 2:13.40 | 904 |
| 400 IM LCM | 4:46.11 | 894 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
IMR 17-18 · LCM
4328 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 1:54.31 | 1010 |
| 100 BK LCM | 59.95 | 914 |
| 100 BR LCM | 1:13.83 | 685 |
| 100 FL LCM | 59.94 | 815 |
| 200 IM LCM | 2:13.40 | 904 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 47.43
Front half 22.80s · back half 24.63s
200 Freestyle SCY 1:40.63
Front half 48.37s · back half 52.26s
500 Freestyle SCY 4:51.00
Front half 141.31s · back half 149.69s
100 Backstroke SCY 51.75 RT 0.63s
Front half 24.97s · back half 26.78s
200 Backstroke SCY 1:49.14
Front half 52.98s · back half 56.16s
100 Breaststroke SCY 1:03.68
Front half 30.23s · back half 33.45s
100 Butterfly SCY 53.25
Front half 24.70s · back half 28.55s
200 Butterfly SCY 2:03.67
Front half 58.69s · back half 64.98s
200 Individual Medley SCY 2:00.37
Front half 54.59s · back half 65.78s
100 Freestyle LCM 53.18
Front half 25.35s · back half 27.83s
200 Freestyle LCM 1:54.31
Front half 55.88s · back half 58.43s
400 Freestyle LCM 4:09.96
Front half 124.07s · back half 125.89s
100 Backstroke LCM 59.95
Front half 28.46s · back half 31.49s
200 Backstroke LCM 2:07.97
Front half 62.61s · back half 65.36s
100 Breaststroke LCM 1:13.83
Front half 34.46s · back half 39.37s
100 Butterfly LCM 59.94
Front half 28.37s · back half 31.57s
200 Individual Medley LCM 2:13.40
Front half 61.32s · back half 72.08s
400 Individual Medley LCM 4:46.11
Front half 135.05s · back half 151.06s
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.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.