Yejun Lee

Mage 17CACCHIPCSIFASTUN-08UN-2

127 plausible swims · 18 meets · 2023-02-17 → 2026-06-07

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 26.39 B+0.30s to BB 2023-02-19 CCS Age Group Championship slow pool
100 Freestyle SCY 50.28 AA+1.99s to AAA 2026-02-16 2026 SI Presidents' Day Senior Classic - copi venue
200 Freestyle SCY 1:47.94 AA+1.55s to AAA 2026-02-15 2026 SI Presidents' Day Senior Classic - copi venue
500 Freestyle SCY 4:50.76 AA+2.17s to AAA 2026-02-28 2026 SI CA/NV Speedo Sectionals Oceanside venue
1000 Freestyle SCY 10:10.95 AA+6.46s to AAA 2025-11-23 HISI Senior Fall Championship (SCY) fast pool
1650 Freestyle SCY 16:55.24 AA+5.45s to AAA 2025-11-23 HISI Senior Fall Championship (SCY) fast pool
50 Backstroke SCY 26.50 A+0.81s to AA 2025-11-22 HISI Senior Fall Championship (SCY) fast pool
100 Backstroke SCY 55.03 A+0.14s to AA 2026-02-15 2026 SI Presidents' Day Senior Classic - copi venue
200 Backstroke SCY 1:56.64 AA+1.85s to AAA 2026-02-14 2026 SI Presidents' Day Senior Classic - copi venue
100 Butterfly SCY 57.55 BB+0.86s to A 2025-11-21 HISI Senior Fall Championship (SCY) fast pool
200 Individual Medley SCY 2:00.86 AA+3.37s to AAA 2026-01-19 2026 CA Trident Swim Club Winter Invite - cop venue
400 Individual Medley SCY 4:12.15 AAA+10.66s to AAAA 2026-02-27 2026 SI CA/NV Speedo Sectionals Oceanside venue
100 Freestyle LCM 57.64 AA+2.05s to AAA 2026-05-24 2026 CA 30th NOVA-Speedo Grand Challenge venue
200 Freestyle LCM 2:07.19 AA+5.00s to AAA 2026-06-06 2026 FAST 4th Annual Jon Urbanchek Invitation venue
400 Freestyle LCM 4:23.02 AA+2.43s to AAA 2026-06-05 2026 FAST 4th Annual Jon Urbanchek Invitation venue
800 Freestyle LCM 9:21.05 AA+19.56s to AAA 2025-07-27 2025 CA SCS/RAA Summer A/G Champs venue
1500 Freestyle LCM 18:22.68 A+16.29s to AA 2024-07-25 2024 CA SCS/GWSC Summer A/G Champs slow pool
100 Backstroke LCM 1:04.95 A+0.26s to AA 2026-05-24 2026 CA 30th NOVA-Speedo Grand Challenge venue
200 Backstroke LCM 2:15.71 AA+0.92s to AAA 2025-07-24 2025 CA SCS/RAA Summer A/G Champs venue
50 Butterfly LCM 30.28 BB+0.09s to A 2025-04-26 2025 Lakewood Aquatics April LC Closed Invite slow pool
200 Individual Medley LCM 2:21.80 AA+5.61s to AAA 2026-06-05 2026 FAST 4th Annual Jon Urbanchek Invitation venue
400 Individual Medley LCM 4:54.41 AA+2.02s to AAA 2026-06-06 2026 FAST 4th Annual Jon Urbanchek Invitation venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.

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

LegCourseTime StartRelayDateMeet
100 Freestyle SCY 51.04 flying 400 Free Relay (leg 2) 2024-12-15 2024 CA GWSC/SCS WAG
100 Freestyle SCY 48.46 flying 400 Medley Relay (leg 4) 2025-11-22 HISI Senior Fall Championship (SCY)
50 Backstroke SCY 26.25 flat 200 Medley Relay 2026-02-16 2026 SI Presidents' Day Senior Classic - copi
100 Butterfly SCY 58.11 flying 400 Medley Relay (leg 3) 2026-02-15 2026 SI Presidents' Day Senior Classic - copi
50 Freestyle LCM 26.46 flying 200 Free Relay (leg 2) 2025-07-25 2025 CA SCS/RAA Summer A/G Champs
50 Backstroke LCM 30.75 flat 200 Medley Relay 2025-07-25 2025 CA SCS/RAA Summer A/G Champs

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

3219 points (4/6 events — incomplete)

EventTime Points
500 FR SCY 4:50.76 822
200 BK SCY 1:56.64 791
200 IM SCY 2:00.86 766
400 IM SCY 4:12.15 840
200 BR SCY 0
200 FL SCY 0

IMR 17-18 · SCY

2886 points (4/5 events — incomplete)

EventTime Points
200 FR SCY 1:47.94 799
100 BK SCY 55.03 701
100 FL SCY 57.55 620
200 IM SCY 2:00.86 766
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 50.28

24.56
25.72

Front half 24.56s · back half 25.72s

200 Freestyle SCY 1:47.94

25.24
27.75
27.94
27.01

Front half 52.99s · back half 54.95s

500 Freestyle SCY 4:50.76

26.12
28.62
29.02
29.22
29.44
29.39
29.70
29.83
30.02
29.40

Front half 142.42s · back half 148.34s

1650 Freestyle SCY 16:55.24

26.33
29.17
30.38
30.83
30.72
30.64
30.78
30.92
30.78
30.71
30.76
31.02
31.12
30.80
30.83
30.94
30.85
30.95
31.25
31.17
31.01
31.16
31.07
31.09
31.45
31.09
31.56
31.41
31.40
31.35
31.19
30.81
29.70

100 Backstroke SCY 55.03

26.64
28.39

Front half 26.64s · back half 28.39s

200 Backstroke SCY 1:56.64

27.43
29.38
29.97
29.86

Front half 56.81s · back half 59.83s

200 Individual Medley SCY 2:00.86

26.68
30.27
37.45
26.46

Front half 56.95s · back half 63.91s

400 Individual Medley SCY 4:12.15

26.45
29.96
31.80
31.29
37.57
37.35
29.62
28.11

Front half 119.50s · back half 132.65s

100 Freestyle LCM 57.64

27.91
29.73

Front half 27.91s · back half 29.73s

200 Freestyle LCM 2:07.19

29.24
32.06
33.29
32.60

Front half 61.30s · back half 65.89s

400 Freestyle LCM 4:23.02

30.15
32.63
33.45
33.43
33.97
33.51
33.44
32.44

Front half 129.66s · back half 133.36s

800 Freestyle LCM 9:21.05

30.71
34.49
34.75
34.97
34.80
35.31
35.02
35.40
35.34
35.80
35.81
36.07
35.90
36.15
35.97
34.56

Front half 275.45s · back half 285.60s

1500 Freestyle LCM 18:22.68

32.18
35.89
37.04
36.75
36.90
36.80
36.58
36.86
36.76
37.16
36.73
36.77
36.33
36.98
36.58
36.85
27.47
8.91
36.65
112.28
37.62
37.32
37.72
37.32
37.85
36.58
37.27
36.62
35.91

100 Backstroke LCM 1:04.95

31.48
33.47

Front half 31.48s · back half 33.47s

200 Backstroke LCM 2:15.71

31.84
33.89
35.11
34.87

Front half 65.73s · back half 69.98s

200 Individual Medley LCM 2:21.80

30.13
35.40
44.06
32.21

Front half 65.53s · back half 76.27s

400 Individual Medley LCM 4:54.41

32.19
37.15
38.30
36.36
43.50
43.01
32.26
31.64

Front half 144.00s · back half 150.41s

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 26.39 1 swim
100 Freestyle SCY 50.28 7 swims
200 Freestyle SCY 1:47.94 11 swims
500 Freestyle SCY 4:50.76 9 swims
1000 Freestyle SCY 10:10.95 4 swims
1650 Freestyle SCY 16:55.24 5 swims
50 Backstroke SCY 26.50 4 swims
100 Backstroke SCY 55.03 13 swims
200 Backstroke SCY 1:56.64 16 swims
100 Butterfly SCY 57.55 4 swims
200 Individual Medley SCY 2:00.86 8 swims
400 Individual Medley SCY 4:12.15 8 swims
100 Freestyle LCM 57.64 3 swims
200 Freestyle LCM 2:07.19 3 swims
400 Freestyle LCM 4:23.02 3 swims
800 Freestyle LCM 9:21.05 2 swims
1500 Freestyle LCM 18:22.68 1 swim
100 Backstroke LCM 1:04.95 8 swims
200 Backstroke LCM 2:15.71 7 swims
50 Butterfly LCM 30.28 2 swims
200 Individual Medley LCM 2:21.80 2 swims
400 Individual Medley LCM 4:54.41 6 swims