Duncan Keener

Mage 12MAMDPVACSS

76 plausible swims · 15 meets · 2024-01-16 → 2026-04-19

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 34.96 +2.17s to B 2026-02-01 2026 Emperor Penguin Pentathlon venue
100 Freestyle SCY 1:22.00 +10.51s to B 2026-02-28 2026 Cherry Blossom Champs venue
200 Freestyle SCY 3:05.72 +29.73s to B 2026-03-01 2026 Cherry Blossom Champs venue
50 Backstroke SCY 43.59 +5.10s to B 2026-02-01 2026 Emperor Penguin Pentathlon venue
50 Breaststroke SCY 45.34 +1.85s to B 2026-03-01 2026 Cherry Blossom Champs venue
100 Breaststroke SCY 1:39.74 +7.15s to B 2026-02-28 2026 Cherry Blossom Champs venue
200 Breaststroke SCY 3:23.16 +6.67s to B 2026-03-01 2026 Cherry Blossom Champs venue
50 Butterfly SCY 49.97 +12.88s to B 2026-02-01 2026 Emperor Penguin Pentathlon venue
100 Individual Medley SCY 1:33.25 +11.36s to B 2026-02-28 2026 Cherry Blossom Champs venue
200 Individual Medley SCY 3:35.48 +36.19s to B 2025-12-07 2025 PAC 11 & Over Snow Globe Champs slow pool
50 Freestyle LCM 41.68 +4.29s to B 2026-04-18 2026 EST Spring Into Long Course venue
100 Freestyle LCM 1:38.26 +16.17s to B 2026-04-19 2026 EST Spring Into Long Course venue
50 Backstroke LCM 48.15 +3.56s to B 2026-04-18 2026 EST Spring Into Long Course venue
100 Backstroke LCM 2:01.07 +23.88s to B 2025-05-10 2025 NAAC MOTHER'S DAY MEET venue
50 Breaststroke LCM 51.18 +1.39s to B 2026-04-19 2026 EST Spring Into Long Course venue
100 Breaststroke LCM 1:56.32 +8.53s to B 2026-04-18 2026 EST Spring Into Long Course
200 Breaststroke LCM 4:36.13 +48.24s to B 2025-05-10 2025 NAAC MOTHER'S DAY MEET venue

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 35.11 flying 200 Medley Relay (leg 4) 2026-02-28 2026 Cherry Blossom 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 11-12 · SCY

543 points (2/5 events — incomplete)

EventTime Points
100 BR SCY 1:39.74 313
200 IM SCY 3:35.48 230
500 FR SCY 0
100 BK SCY 0
100 FL SCY 0

IMR 11-12 · SCY

1287 points (5/5 events)

EventTime Points
200 FR SCY 3:05.72 249
50 BK SCY 43.59 270
50 BR SCY 45.34 335
50 FL SCY 49.97 152
100 IM SCY 1:33.25 281

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

PR splits

100 Freestyle SCY 1:22.00

37.41
44.59

Front half 37.41s · back half 44.59s

200 Freestyle SCY 3:05.72

40.52
49.06
50.82
45.32

Front half 89.58s · back half 96.14s

100 Breaststroke SCY 1:39.74

46.31
53.43

Front half 46.31s · back half 53.43s

200 Breaststroke SCY 3:23.16

45.29
51.95
53.74
52.18

Front half 97.24s · back half 105.92s

100 Individual Medley SCY 1:33.25

45.96
47.29

Front half 45.96s · back half 47.29s

100 Freestyle LCM 1:38.26

45.01
53.25

Front half 45.01s · back half 53.25s

100 Backstroke LCM 2:01.07

57.51
63.56

Front half 57.51s · back half 63.56s

100 Breaststroke LCM 1:56.32 split/total mismatch

54.38
7.56

Front half 54.38s · back half 61.94s

200 Breaststroke LCM 4:36.13

62.04
70.28
75.88
67.93

Front half 132.32s · back half 143.81s

Reaction time

fastest 0.63s average 0.630s slowest 0.63s 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 34.96 6 swims
100 Freestyle SCY 1:22.00 10 swims
200 Freestyle SCY 3:05.72 3 swims
50 Backstroke SCY 43.59 8 swims
50 Breaststroke SCY 45.34 9 swims
100 Breaststroke SCY 1:39.74 8 swims
200 Breaststroke SCY 3:23.16 3 swims
50 Butterfly SCY 49.97 4 swims
100 Individual Medley SCY 1:33.25 5 swims
200 Individual Medley SCY 3:35.48 4 swims
50 Freestyle LCM 41.68 3 swims
100 Freestyle LCM 1:38.26 3 swims
50 Backstroke LCM 48.15 1 swim
100 Backstroke LCM 2:01.07 2 swims
50 Breaststroke LCM 51.18 4 swims
100 Breaststroke LCM 1:56.32 2 swims
200 Breaststroke LCM 4:36.13 1 swim