Chang He

Mage 18IECAST

80 plausible swims · 12 meets · 2016-06-03 → 2018-03-04

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 22.30 AA+0.61s to AAA 2018-03-03 2018 IE Short Course Championships fast pool
100 Freestyle SCY 49.37 AA+1.68s to AAA 2016-10-30 GMSC Trick-or-Treat Pentathlon 2016 fast pool
200 Freestyle SCY 1:51.26 A+1.07s to AA 2017-11-17 2017 IES CAST FALL SPLASH
100 Backstroke SCY 56.57 BB+0.38s to A 2018-03-03 2018 IE Short Course Championships fast pool
200 Backstroke SCY 2:06.41 BB+2.62s to A 2018-03-04 2018 IE Short Course Championships fast pool
100 Breaststroke SCY 58.72 AAA+2.53s to AAAA 2016-11-20 2016 CAST Fall Splash venue
200 Breaststroke SCY 2:13.61 AA+5.62s to AAA 2017-11-18 2017 IE MRA Thankswimming Open
100 Butterfly SCY 56.24 BB+0.05s to A 2016-10-16 2016 IMX Fall Challenge venue
200 Individual Medley SCY 2:03.87 A+2.38s to AA 2016-10-15 2016 IMX Fall Challenge venue
50 Freestyle LCM 25.81 AA+0.72s to AAA 2017-06-03 2017 TRI-CITY OPEN venue
100 Freestyle LCM 58.20 A+0.51s to AA 2016-06-03 2016 TRI-CITY OPEN venue
200 Freestyle LCM 2:10.82 A+4.63s to AA 2016-06-05 2016 TRI-CITY OPEN venue
400 Freestyle LCM 4:47.24 BB+6.55s to A 2017-06-18 2017 IE SAS Summer Solstice Swim Meet venue
100 Backstroke LCM 1:08.12 BB+1.13s to A 2016-06-19 2016 IE SAS Summer Solstice Swim Meet venue
200 Backstroke LCM 2:29.76 BB+3.87s to A 2017-06-17 2017 IE SAS Summer Solstice Swim Meet venue
100 Breaststroke LCM 1:10.87 AA+2.48s to AAA 2017-06-18 2017 IE SAS Summer Solstice Swim Meet venue
200 Breaststroke LCM 2:34.93 AA+5.24s to AAA 2017-06-03 2017 TRI-CITY OPEN venue
100 Butterfly LCM 1:05.44 BB+1.15s to A 2016-06-05 2016 TRI-CITY OPEN venue
200 Butterfly LCM 2:38.34 B+2.55s to BB 2017-06-18 2017 IE SAS Summer Solstice Swim Meet venue
200 Individual Medley LCM 2:25.23 A+3.34s to AA 2017-06-16 2017 IE SAS Summer Solstice Swim Meet venue
400 Individual Medley LCM 5:22.91 BB+4.92s to A 2017-06-17 2017 IE SAS Summer Solstice Swim Meet venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

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
50 Breaststroke SCY 27.74 flying 200 Medley Relay (leg 2) 2017-10-14 2017 IE IMX Fall Challenge
100 Breaststroke LCM 1:14.37 flying 400 Medley Relay (leg 2) 2016-06-18 2016 IE SAS Summer Solstice Swim Meet

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

3812 points (6/6 events)

EventTime Points
400 FR LCM 4:47.24 619
200 BK LCM 2:29.76 608
200 BR LCM 2:34.93 768
200 FL LCM 2:38.34 495
200 IM LCM 2:25.23 700
400 IM LCM 5:22.91 622

IMR 17-18 · SCY

3617 points (5/5 events)

EventTime Points
200 FR SCY 1:51.26 730
100 BK SCY 56.57 645
100 BR SCY 58.72 866
100 FL SCY 56.24 665
200 IM SCY 2:03.87 711

Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.

PR splits

100 Freestyle SCY 49.37

23.62
25.75

Front half 23.62s · back half 25.75s

100 Backstroke SCY 56.57

27.32
29.25

Front half 27.32s · back half 29.25s

200 Backstroke SCY 2:06.41

29.51
64.22
32.68

100 Breaststroke SCY 58.72

27.35
31.37

Front half 27.35s · back half 31.37s

100 Butterfly SCY 56.24

26.10
30.14

Front half 26.10s · back half 30.14s

200 Individual Medley SCY 2:03.87

27.02
31.88
36.20
28.77

Front half 58.90s · back half 64.97s

200 Freestyle LCM 2:10.82

63.58
67.24

Front half 63.58s · back half 67.24s

400 Freestyle LCM 4:47.24

31.43
35.11
35.77
36.38
36.77
37.45
37.61
36.72

Front half 138.69s · back half 148.55s

100 Backstroke LCM 1:08.12

33.43
34.69

Front half 33.43s · back half 34.69s

200 Backstroke LCM 2:29.76

35.82
37.14
38.88
37.92

Front half 72.96s · back half 76.80s

100 Breaststroke LCM 1:10.87

33.95
36.92

Front half 33.95s · back half 36.92s

200 Breaststroke LCM 2:34.93

72.98
81.95

Front half 72.98s · back half 81.95s

200 Butterfly LCM 2:38.34

34.44
39.36
42.15
42.39

Front half 73.80s · back half 84.54s

200 Individual Medley LCM 2:25.23

31.03
38.57
41.03
34.60

Front half 69.60s · back half 75.63s

400 Individual Medley LCM 5:22.91

33.63
39.88
42.87
42.55
43.08
44.12
39.29
37.49

Front half 158.93s · back half 163.98s

Progression

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

50 Freestyle SCY 22.30 5 swims
100 Freestyle SCY 49.37 7 swims
200 Freestyle SCY 1:51.26 3 swims
100 Backstroke SCY 56.57 5 swims
200 Backstroke SCY 2:06.41 2 swims
100 Breaststroke SCY 58.72 7 swims
200 Breaststroke SCY 2:13.61 8 swims
100 Butterfly SCY 56.24 4 swims
200 Individual Medley SCY 2:03.87 3 swims
50 Freestyle LCM 25.81 4 swims
100 Freestyle LCM 58.20 3 swims
200 Freestyle LCM 2:10.82 4 swims
400 Freestyle LCM 4:47.24 1 swim
100 Backstroke LCM 1:08.12 4 swims
200 Backstroke LCM 2:29.76 2 swims
100 Breaststroke LCM 1:10.87 4 swims
200 Breaststroke LCM 2:34.93 4 swims
100 Butterfly LCM 1:05.44 4 swims
200 Butterfly LCM 2:38.34 1 swim
200 Individual Medley LCM 2:25.23 4 swims
400 Individual Medley LCM 5:22.91 1 swim