Mason Bir

Mage 12PNKING

68 plausible swims · 14 meets · 2024-04-21 → 2026-06-27

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 32.91 +0.12s to B 2026-03-29 2026 PN Spring Showdown, Div. 4- Approved fast pool
100 Freestyle SCY 1:14.10 +2.61s to B 2025-12-06 2025 PN Fall Divisionals, Division 1 - OCA venue
200 Freestyle SCY 2:39.76 +3.77s to B 2026-03-29 2026 PN Spring Showdown, Div. 4- Approved fast pool
500 Freestyle SCY 7:17.63 +17.74s to B 2026-01-31 2026 PN KING Beast IMX/IMR Invitational- Appr venue
50 Backstroke SCY 41.30 +2.81s to B 2025-12-07 2025 PN Fall Divisionals, Division 1 - OCA venue
100 Backstroke SCY 1:30.01 +7.82s to B 2025-12-06 2025 PN Fall Divisionals, Division 1 - OCA venue
50 Breaststroke SCY 44.49 +1.00s to B 2025-10-19 2025 PN VAST Fall Classic venue
100 Breaststroke SCY 1:35.88 +3.29s to B 2025-10-18 2025 PN VAST Fall Classic venue
50 Butterfly SCY 40.47 +3.38s to B 2026-02-01 2026 PN KING Beast IMX/IMR Invitational- Appr venue
100 Butterfly SCY 1:25.34 +2.45s to B 2026-01-31 2026 PN KING Beast IMX/IMR Invitational- Appr venue
100 Individual Medley SCY 1:27.17 +5.28s to B 2025-12-07 2025 PN Fall Divisionals, Division 1 - OCA venue
200 Individual Medley SCY 2:59.31 +0.02s to B 2026-01-31 2026 PN KING Beast IMX/IMR Invitational- Appr venue
50 Freestyle LCM 34.84 B+0.05s to BB 2026-06-27 2026 PN SMAC Summer Classic Invite- Approved venue
100 Freestyle LCM 1:23.33 +1.24s to B 2026-05-17 2026 PN IST Sockeye Springtime Madness App. venue
200 Freestyle LCM 2:58.32 B+11.93s to BB 2026-05-17 2026 PN IST Sockeye Springtime Madness App. venue
50 Backstroke LCM 46.76 +2.17s to B 2026-05-17 2026 PN IST Sockeye Springtime Madness App. venue
50 Breaststroke LCM 47.09 B+1.20s to BB 2026-06-27 2026 PN SMAC Summer Classic Invite- Approved venue
50 Butterfly LCM 41.61 B+2.92s to BB 2024-06-01 2024 PN VAST Summer Sprints and Distance Chal
100 Butterfly LCM 1:32.96 B+5.67s to BB 2026-05-16 2026 PN IST Sockeye Springtime Madness App. venue
200 Individual Medley LCM 3:00.20 BB+6.01s to A 2026-05-21 2026 PN IST Sockeye Springtime Madness App.

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
100 Freestyle SCY 1:17.53 flying 400 Free Relay (leg 3) 2025-12-14 2025 PN 14&Under Short Course Champs-Approved
50 Backstroke SCY 41.29 flat 200 Medley Relay 2025-12-12 2025 PN 14&Under Short Course Champs-Approved
100 Breaststroke SCY 1:32.72 flying 400 Medley Relay (leg 2) 2025-12-13 2025 PN 14&Under Short Course Champs-Approved
100 Freestyle LCM 1:23.14 flying 400 Free Relay (leg 2) 2025-07-24 2025 PN LC 12&U Championships

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

1743 points (5/5 events)

EventTime Points
500 FR SCY 7:17.63 372
100 BK SCY 1:30.01 288
100 BR SCY 1:35.88 353
100 FL SCY 1:25.34 331
200 IM SCY 2:59.31 399

IMR 11-12 · LCM

2184 points (5/5 events)

EventTime Points
200 FR LCM 2:58.32 428
50 BK LCM 46.76 338
50 BR LCM 47.09 450
50 FL LCM 41.61 385
200 IM LCM 3:00.20 583

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

PR splits

100 Freestyle SCY 1:14.10

35.70
38.40

Front half 35.70s · back half 38.40s

200 Freestyle SCY 2:39.76

36.15
41.16
42.23
40.22

Front half 77.31s · back half 82.45s

500 Freestyle SCY 7:17.63

38.19
43.40
45.00
44.56
45.61
44.57
45.72
45.04
45.63
39.91

Front half 216.76s · back half 220.87s

100 Backstroke SCY 1:30.01 RT 0.76s

44.35
45.66

Front half 44.35s · back half 45.66s

100 Breaststroke SCY 1:35.88

45.36
50.52

Front half 45.36s · back half 50.52s

100 Individual Medley SCY 1:27.17 RT 0.58s

42.61
44.56

Front half 42.61s · back half 44.56s

200 Freestyle LCM 2:58.32 · 16.0 min after 100 Freestyle

87.43
90.89

Front half 87.43s · back half 90.89s

Reaction time

fastest 0.55s average 0.622s slowest 0.76s 10 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 32.91 10 swims
100 Freestyle SCY 1:14.10 6 swims
200 Freestyle SCY 2:39.76 4 swims
500 Freestyle SCY 7:17.63 1 swim
50 Backstroke SCY 41.30 7 swims
100 Backstroke SCY 1:30.01 3 swims
50 Breaststroke SCY 44.49 5 swims
100 Breaststroke SCY 1:35.88 7 swims
50 Butterfly SCY 40.47 3 swims
100 Butterfly SCY 1:25.34 1 swim
100 Individual Medley SCY 1:27.17 3 swims
200 Individual Medley SCY 2:59.31 1 swim
50 Freestyle LCM 34.84 2 swims
100 Freestyle LCM 1:23.33 2 swims
200 Freestyle LCM 2:58.32 1 swim
50 Backstroke LCM 46.76 1 swim
50 Breaststroke LCM 47.09 6 swims
50 Butterfly LCM 41.61 2 swims
100 Butterfly LCM 1:32.96 1 swim
200 Individual Medley LCM 3:00.20 2 swims