Benjamin Pei

Mage 17CZIAMNMRMTOKSDWIAQJTMSI

180 plausible swims · 30 meets · 2023-08-05 → 2026-07-29

Personal records

EventCourseBest CutDateMeet
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

LegCourseTime StartRelayDateMeet
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)

EventTime 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)

EventTime 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

22.80
24.63

Front half 22.80s · back half 24.63s

200 Freestyle SCY 1:40.63

23.08
25.29
26.09
26.17

Front half 48.37s · back half 52.26s

500 Freestyle SCY 4:51.00

24.81
28.10
29.02
29.73
29.65
29.43
30.03
30.12
30.42
29.69

Front half 141.31s · back half 149.69s

100 Backstroke SCY 51.75 RT 0.63s

24.97
26.78

Front half 24.97s · back half 26.78s

200 Backstroke SCY 1:49.14

25.65
27.33
27.94
28.22

Front half 52.98s · back half 56.16s

100 Breaststroke SCY 1:03.68

30.23
33.45

Front half 30.23s · back half 33.45s

100 Butterfly SCY 53.25

24.70
28.55

Front half 24.70s · back half 28.55s

200 Butterfly SCY 2:03.67

26.69
32.00
31.72
33.26

Front half 58.69s · back half 64.98s

200 Individual Medley SCY 2:00.37

25.50
29.09
37.81
27.97

Front half 54.59s · back half 65.78s

100 Freestyle LCM 53.18

25.35
27.83

Front half 25.35s · back half 27.83s

200 Freestyle LCM 1:54.31

26.79
29.09
29.48
28.95

Front half 55.88s · back half 58.43s

400 Freestyle LCM 4:09.96

27.94
31.61
32.33
32.19
32.00
31.87
30.95
31.07

Front half 124.07s · back half 125.89s

100 Backstroke LCM 59.95

28.46
31.49

Front half 28.46s · back half 31.49s

200 Backstroke LCM 2:07.97

30.48
32.13
32.58
32.78

Front half 62.61s · back half 65.36s

100 Breaststroke LCM 1:13.83

34.46
39.37

Front half 34.46s · back half 39.37s

100 Butterfly LCM 59.94

28.37
31.57

Front half 28.37s · back half 31.57s

200 Individual Medley LCM 2:13.40

28.43
32.89
41.04
31.04

Front half 61.32s · back half 72.08s

400 Individual Medley LCM 4:46.11

29.53
33.26
37.70
34.56
42.91
42.72
33.78
31.65

Front half 135.05s · back half 151.06s

Reaction time

fastest 0.56s average 0.657s slowest 0.77s 23 electronic starts

Start reaction over time faster starts higher

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
DateEventCourse TimeAge RoundMeet

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.

50 Freestyle SCY 21.41 9 swims
100 Freestyle SCY 47.43 9 swims
200 Freestyle SCY 1:40.63 8 swims
500 Freestyle SCY 4:51.00 1 swim
50 Backstroke SCY 25.18 3 swims
100 Backstroke SCY 51.75 6 swims
200 Backstroke SCY 1:49.14 5 swims
100 Breaststroke SCY 1:03.68 3 swims
100 Butterfly SCY 53.25 5 swims
200 Butterfly SCY 2:03.67 2 swims
200 Individual Medley SCY 2:00.37 1 swim
50 Freestyle LCM 24.55 19 swims
100 Freestyle LCM 53.18 19 swims
200 Freestyle LCM 1:54.31 21 swims
400 Freestyle LCM 4:09.96 10 swims
50 Backstroke LCM 28.83 1 swim
100 Backstroke LCM 59.95 19 swims
200 Backstroke LCM 2:07.97 16 swims
100 Breaststroke LCM 1:13.83 4 swims
100 Butterfly LCM 59.94 7 swims
200 Individual Medley LCM 2:13.40 10 swims
400 Individual Medley LCM 4:46.11 1 swim