Harper Posthumus

Fage 11MIEGRA

101 plausible swims · 21 meets · 2024-05-11 → 2026-06-28

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 32.36 BB+1.87s to A 2026-03-08 2026 Lake Michigan Regional Meet venue
100 Freestyle SCY 1:06.41 A+2.62s to AA 2025-02-22 2025 Lake Michigan Regional Meet
200 Freestyle SCY 2:42.70 B+5.61s to BB 2026-02-07 2026 Grand Rapids Open venue
500 Freestyle SCY 7:02.96 B+1.37s to BB 2026-03-08 2026 Lake Michigan Regional Meet venue
50 Backstroke SCY 41.59 +1.00s to B 2026-02-07 2026 Grand Rapids Open venue
100 Backstroke SCY 1:32.75 +2.06s to B 2025-11-16 2025 GR Gales of November Open Invitational venue
50 Breaststroke SCY 47.77 +2.28s to B 2025-12-06 EGRA 2025 Winter Washout venue
100 Breaststroke SCY 1:39.34 B+6.45s to BB 2026-02-07 2026 Grand Rapids Open venue
50 Butterfly SCY 45.05 +6.16s to B 2025-10-19 2025 WMS Boo Bash venue
100 Individual Medley SCY 1:44.74 +16.05s to B 2024-11-02 Greater Kalamazoo Arena Challenge venue
200 Individual Medley SCY 3:14.35 +1.56s to B 2025-11-16 2025 GR Gales of November Open Invitational venue
50 Freestyle SCM 49.26 +10.17s to B 2024-05-11 2024 WMS Spring Splash venue
100 Freestyle SCM 1:33.79 +7.90s to B 2025-05-10 2025 WMS Spring Splash venue
50 Backstroke SCM 56.50 +11.61s to B 2024-05-11 2024 WMS Spring Splash venue
50 Breaststroke SCM 1:01.92 +11.63s to B 2024-05-11 2024 WMS Spring Splash venue
50 Butterfly SCM 57.84 +14.85s to B 2025-05-10 2025 WMS Spring Splash venue
100 Individual Medley SCM 1:53.23 +15.24s to B 2025-05-10 2025 WMS Spring Splash venue
50 Freestyle LCM 35.87 BB+1.08s to A 2026-05-02 2026 Calvin Early Bird Invite LCM venue
100 Freestyle LCM 1:21.38 BB+4.89s to A 2026-06-28 2026 JAWS Sun & Fun ABC Spectacular & IMX venue
200 Freestyle LCM 2:59.44 B+0.25s to BB 2026-05-02 2026 Calvin Early Bird Invite LCM venue
50 Backstroke LCM 47.13 +0.34s to B 2026-06-28 2026 JAWS Sun & Fun ABC Spectacular & IMX venue
100 Backstroke LCM 1:41.27 B+3.78s to BB 2026-05-02 2026 Calvin Early Bird Invite LCM venue
50 Breaststroke LCM 51.74 B+3.15s to BB 2026-05-02 2026 Calvin Early Bird Invite LCM venue
50 Butterfly LCM 51.36 +7.77s to B 2025-05-02 2025 Calvin Early Bird Invite LCM

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 37.60 flying 200 Free Relay (leg 2) 2025-01-11 2025 Zeeland Winter Classic

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 11-12 · SCY

1502 points (4/5 events — incomplete)

EventTime Points
500 FR SCY 7:02.96 465
100 BK SCY 1:32.75 308
100 BR SCY 1:39.34 372
200 IM SCY 3:14.35 357
100 FL SCY 0

IMR 11-12 · SCY

1549 points (5/5 events)

EventTime Points
200 FR SCY 2:42.70 420
50 BK SCY 41.59 342
50 BR SCY 47.77 329
50 FL SCY 45.05 232
100 IM SCY 1:44.74 226

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

PR splits

200 Freestyle SCY 2:42.70

37.05
42.78
42.40
40.47

Front half 79.83s · back half 82.87s

500 Freestyle SCY 7:02.96

37.34
42.75
42.55
42.45
43.51
42.81
43.70
43.87
43.13
40.85

Front half 208.60s · back half 214.36s

100 Backstroke SCY 1:32.75 RT 0.74s

46.45
46.30

Front half 46.45s · back half 46.30s

100 Breaststroke SCY 1:39.34

46.71
52.63

Front half 46.71s · back half 52.63s

100 Individual Medley SCY 1:44.74

51.20
53.54

Front half 51.20s · back half 53.54s

200 Individual Medley SCY 3:14.35

47.84
49.56
55.11
41.84

Front half 97.40s · back half 96.95s

100 Freestyle SCM 1:33.79

46.45
47.34

Front half 46.45s · back half 47.34s

100 Individual Medley SCM 1:53.23

57.93
55.30

Front half 57.93s · back half 55.30s

100 Freestyle LCM 1:21.38

37.92
43.46

Front half 37.92s · back half 43.46s

Reaction time

fastest 0.74s average 0.815s slowest 0.89s 2 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.

Progression

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

50 Freestyle SCY 32.36 8 swims
100 Freestyle SCY 1:06.41 10 swims
200 Freestyle SCY 2:42.70 7 swims
500 Freestyle SCY 7:02.96 2 swims
50 Backstroke SCY 41.59 8 swims
100 Backstroke SCY 1:32.75 7 swims
50 Breaststroke SCY 47.77 7 swims
100 Breaststroke SCY 1:39.34 7 swims
50 Butterfly SCY 45.05 3 swims
100 Individual Medley SCY 1:44.74 1 swim
200 Individual Medley SCY 3:14.35 3 swims
50 Freestyle SCM 49.26 1 swim
100 Freestyle SCM 1:33.79 1 swim
50 Backstroke SCM 56.50 1 swim
50 Breaststroke SCM 1:01.92 2 swims
50 Butterfly SCM 57.84 1 swim
100 Individual Medley SCM 1:53.23 2 swims
50 Freestyle LCM 35.87 4 swims
100 Freestyle LCM 1:21.38 6 swims
200 Freestyle LCM 2:59.44 1 swim
50 Backstroke LCM 47.13 5 swims
100 Backstroke LCM 1:41.27 3 swims
50 Breaststroke LCM 51.74 7 swims
50 Butterfly LCM 51.36 4 swims