Perry Douma

MMIFHNEGRFHNNKAT

37 plausible swims · 11 meets · 2024-07-13 → 2026-03-13

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 22.88 2025-03-22 2025 ULTRA Championship Meet fast pool
100 Freestyle SCY 49.00 2026-03-13 2026 Boys MHSAA Division 1 Championships venue
200 Freestyle SCY 1:48.68 2025-03-23 2025 ULTRA Championship Meet fast pool
500 Freestyle SCY 5:31.34 2024-11-03 2024 Holland Fall Invite slow pool
100 Backstroke SCY 57.63 2025-03-23 2025 ULTRA Championship Meet fast pool
50 Butterfly SCY 27.30 2025-11-23 2025 NKAT Fall Frenzy - Day After Meet venue
100 Butterfly SCY 54.94 2025-03-22 2025 ULTRA Championship Meet fast pool
50 Freestyle LCM 27.87 2024-07-14 2024 West Michigan Classic venue
100 Freestyle LCM 1:03.97 2024-07-13 2024 West Michigan Classic venue
200 Freestyle LCM 2:18.77 2024-07-13 2024 West Michigan Classic venue
100 Backstroke LCM 1:13.13 2024-07-13 2024 West Michigan Classic venue
200 Backstroke LCM 2:37.00 2024-07-14 2024 West Michigan Classic venue
100 Butterfly LCM 1:10.34 2025-07-12 2025 West Michigan Classic venue

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 Freestyle SCY 23.87 flat 200 Free Relay 2025-02-01 2025 HS Boys MISCA Meet
50 Freestyle SCY 22.92 flying 200 Free Relay (leg 3) 2025-03-01 2025 Boys Ok Metro Conference Championships
50 Freestyle SCY 22.18 flying 200 Medley Relay (leg 4) 2026-03-14 2026 Boys MHSAA Division 1 Championships
100 Freestyle SCY 49.51 flying 400 Free Relay (leg 2) 2025-03-15 MHSAA Boys D1 State Championship 2025
50 Backstroke SCY 27.06 flat 200 Medley Relay 2026-01-31 2026 HS Boys MISCA Meet
50 Freestyle LCM 24.48 flying 200 Free Relay (leg 2) 2025-03-27 2025 Central Zone East Spring Speedo Sectiona
100 Freestyle LCM 57.34 flying 400 Free Relay (leg 2) 2025-03-28 2025 Central Zone East Spring Speedo Sectiona
50 Backstroke LCM 30.12 flat 200 Medley Relay 2025-03-28 2025 Central Zone East Spring Speedo Sectiona
100 Backstroke LCM 1:06.20 flat 400 Medley Relay 2025-03-30 2025 Central Zone East Spring Speedo Sectiona

Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.

PR splits

100 Freestyle SCY 49.00

23.37
25.63

Front half 23.37s · back half 25.63s

200 Freestyle SCY 1:48.68

25.44
27.46
27.94
27.84

Front half 52.90s · back half 55.78s

500 Freestyle SCY 5:31.34

29.87
32.54
33.33
33.14
33.64
34.09
34.23
34.21
33.91
32.38

Front half 162.52s · back half 168.82s

100 Backstroke SCY 57.63

27.73
29.90

Front half 27.73s · back half 29.90s

100 Butterfly SCY 54.94

25.71
29.23

Front half 25.71s · back half 29.23s

100 Freestyle LCM 1:03.97

31.29
32.68

Front half 31.29s · back half 32.68s

200 Freestyle LCM 2:18.77

32.36
35.06
35.80
35.55

Front half 67.42s · back half 71.35s

100 Backstroke LCM 1:13.13

35.86
37.27

Front half 35.86s · back half 37.27s

200 Backstroke LCM 2:37.00 RT 0.62s

37.74
39.85
40.50
38.91

Front half 77.59s · back half 79.41s

100 Butterfly LCM 1:10.34

31.82
38.52

Front half 31.82s · back half 38.52s

Reaction time

fastest 0.62s average 0.620s slowest 0.62s 1 electronic start

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 22.88 5 swims
100 Freestyle SCY 49.00 4 swims
200 Freestyle SCY 1:48.68 8 swims
500 Freestyle SCY 5:31.34 1 swim
100 Backstroke SCY 57.63 7 swims
50 Butterfly SCY 27.30 1 swim
100 Butterfly SCY 54.94 3 swims
50 Freestyle LCM 27.87 1 swim
100 Freestyle LCM 1:03.97 1 swim
200 Freestyle LCM 2:18.77 3 swims
100 Backstroke LCM 1:13.13 1 swim
200 Backstroke LCM 2:37.00 1 swim
100 Butterfly LCM 1:10.34 1 swim