William Dufour

Mage 12BDNMWTSWATWETT

308 plausible swims · 61 meets · 2021-10-10 → 2026-06-14

Personal records

EventCourseBest CutDateMeet
25 Freestyle SCY 20.96 2021-11-07 2021 BD Del Norte 2 venue
50 Freestyle SCY 25.49 AAA+0.90s to AAAA 2026-03-01 2026 BD SCY Border Champs venue
100 Freestyle SCY 56.65 AA+0.46s to AAA 2026-02-28 2026 BD SCY Border Champs venue
200 Freestyle SCY 2:27.72 B+2.83s to BB 2025-01-17 COM Syntal Winter Invite 2025
25 Backstroke SCY 29.42 2021-10-10 2021 BD Del Norte 1
50 Backstroke SCY 31.02 AA+1.33s to AAA 2026-02-15 2026 BD Arctic BLAST Swim Meet venue
100 Backstroke SCY 1:19.21 B+3.52s to BB 2025-02-15 2025 BD BLST Arctic BLAST Swim Meet venue
200 Backstroke SCY 3:05.31 +12.42s to B 2024-09-20 2024 LCAT Daniel France Memorial PecanClassic
50 Breaststroke SCY 37.46 BB+0.77s to A 2026-02-27 2026 BD SCY Border Champs
100 Breaststroke SCY 1:26.24 B+0.75s to BB 2026-02-14 2026 BD Arctic BLAST Swim Meet venue
50 Butterfly SCY 29.24 AA+1.05s to AAA 2026-03-01 2026 BD SCY Border Champs venue
100 Individual Medley SCY 1:07.45 A+0.46s to AA 2026-03-01 2026 BD SCY Border Champs venue
200 Individual Medley SCY 2:30.32 A+4.73s to AA 2026-02-13 2026 BD Arctic BLAST Swim Meet venue
50 Freestyle LCM 29.13 AAA+1.04s to AAAA 2026-05-01 2026 LCAT Suntan Classic
100 Freestyle LCM 1:04.25 AAA+2.66s to AAAA 2026-05-01 2026 LCAT Suntan Classic
50 Backstroke LCM 34.86 AA+0.47s to AAA 2026-05-16 2026 BD SWAT School's Out Summer Bash
100 Backstroke LCM 1:15.63 AA+1.34s to AAA 2026-05-16 2026 BD SWAT School's Out Summer Bash
50 Breaststroke LCM 41.77 A+1.78s to AA 2026-06-14 2026 BD DSSC Poppas Day fast pool
100 Breaststroke LCM 1:34.62 BB+3.33s to A 2026-05-16 2026 BD SWAT School's Out Summer Bash venue
50 Butterfly LCM 33.62 A+0.03s to AA 2026-06-14 2026 BD DSSC Poppas Day fast pool
100 Butterfly LCM 1:20.28 BB+0.79s to A 2026-05-16 2026 BD SWAT School's Out Summer Bash
200 Individual Medley LCM 3:00.10 BB+5.91s to A 2025-07-25 2025 LCM Border Champs

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.

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 26.27 flat 200 Free Relay 2026-03-01 2026 BD SCY Border Champs
50 Freestyle SCY 25.67 flying 200 Medley Relay (leg 4) 2026-02-28 2026 BD SCY Border Champs
50 Freestyle SCY 29.57 flying 200 Free Relay (leg 2) 2024-12-22 2024 BD EPAP Leo Cancellare Invitational
50 Backstroke SCY 31.97 flat 200 Medley Relay 2025-10-25 2025 BD SWAToberfest Sprintacular
50 Freestyle LCM 31.10 flat 200 Free Relay 2025-06-29 Jack White Memorial Swim Meet
50 Freestyle LCM 28.42 flying 200 Free Relay (leg 4) 2026-05-17 2026 BD SWAT School's Out Summer Bash
50 Butterfly LCM 33.48 flying 200 Medley Relay (leg 3) 2026-05-16 2026 BD SWAT School's Out Summer Bash

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 · LCM

2573 points (4/5 events — incomplete)

EventTime Points
100 BK LCM 1:15.63 806
100 BR LCM 1:34.62 581
100 FL LCM 1:20.28 602
200 IM LCM 3:00.10 584
400 FR LCM 0

IMR 11-12 · SCY

3342 points (5/5 events)

EventTime Points
200 FR SCY 2:27.72 496
50 BK SCY 31.02 750
50 BR SCY 37.46 594
50 FL SCY 29.24 760
100 IM SCY 1:07.45 742

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

PR splits

100 Freestyle SCY 56.65

27.55
29.10

Front half 27.55s · back half 29.10s

100 Breaststroke SCY 1:26.24

42.39
43.85

Front half 42.39s · back half 43.85s

100 Individual Medley SCY 1:07.45

31.36
36.09

Front half 31.36s · back half 36.09s

200 Individual Medley SCY 2:30.32

32.77
39.03
46.38
32.14

Front half 71.80s · back half 78.52s

100 Freestyle LCM 1:04.25

31.06
33.19

Front half 31.06s · back half 33.19s

100 Breaststroke LCM 1:34.62

44.44
50.18

Front half 44.44s · back half 50.18s

Reaction time

fastest 0.87s average 0.944s slowest 1.03s 7 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.

25 Freestyle SCY 20.96 4 swims
50 Freestyle SCY 25.49 36 swims
100 Freestyle SCY 56.65 23 swims
200 Freestyle SCY 2:27.72 19 swims
25 Backstroke SCY 29.42 2 swims
50 Backstroke SCY 31.02 28 swims
100 Backstroke SCY 1:19.21 14 swims
200 Backstroke SCY 3:05.31 1 swim
50 Breaststroke SCY 37.46 28 swims
100 Breaststroke SCY 1:26.24 12 swims
50 Butterfly SCY 29.24 20 swims
100 Individual Medley SCY 1:07.45 21 swims
200 Individual Medley SCY 2:30.32 4 swims
50 Freestyle LCM 29.13 12 swims
100 Freestyle LCM 1:04.25 10 swims
50 Backstroke LCM 34.86 7 swims
100 Backstroke LCM 1:15.63 8 swims
50 Breaststroke LCM 41.77 15 swims
100 Breaststroke LCM 1:34.62 12 swims
50 Butterfly LCM 33.62 13 swims
100 Butterfly LCM 1:20.28 6 swims
200 Individual Medley LCM 3:00.10 13 swims