Mackenzie Hearrin

Fage 15CTEZMRMTNEVACDOGCT

101 plausible swims · 19 meets · 2022-11-18 → 2026-04-03

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 24.96 AAA+0.77s to AAAA 2026-04-02 2026 YMCA Short Course Nationals fast pool
100 Freestyle SCY 56.41 AA+1.32s to AAA 2025-12-11 2025 NE CRA Winter Invitational
200 Freestyle SCY 2:01.71 AA+2.82s to AAA 2025-12-11 2025 NE CRA Winter Invitational
500 Freestyle SCY 5:40.39 A+5.10s to AA 2025-01-31 2025 CT CDOG January-February Invite slow pool
1000 Freestyle SCY 11:02.25 AA+2.36s to AAA 2025-12-11 2025 NE CRA Winter Invitational
1650 Freestyle SCY 18:31.54 AAA+45.85s to AAAA 2024-12-12 2024 NE CRA Winter Invitational
50 Backstroke SCY 28.67 AA+0.48s to AAA 2025-12-11 2025 NE CRA Winter Invitational
100 Backstroke SCY 1:02.26 AA+2.57s to AAA 2025-12-11 2025 NE CRA Winter Invitational
200 Backstroke SCY 2:10.05 AA+0.56s to AAA 2025-12-11 2025 NE CRA Winter Invitational
50 Breaststroke SCY 31.42 AAA+0.03s to AAAA 2024-12-12 2024 NE CRA Winter Invitational
100 Breaststroke SCY 1:04.77 AAAA 2026-04-03 2026 YMCA Short Course Nationals fast pool
200 Breaststroke SCY 2:22.39 AAA+1.20s to AAAA 2026-03-31 2026 YMCA Short Course Nationals fast pool
50 Butterfly SCY 29.48 A+0.49s to AA 2025-02-01 2025 CT CDOG January-February Invite slow pool
100 Individual Medley SCY 1:00.55 2024-12-12 2024 NE CRA Winter Invitational
200 Individual Medley SCY 2:07.79 AAA+1.10s to AAAA 2026-04-02 2026 YMCA Short Course Nationals fast pool
400 Individual Medley SCY 4:50.30 AA+5.21s to AAA 2024-12-12 2024 NE CRA Winter Invitational
50 Freestyle LCM 33.45 BB+1.86s to A 2023-06-27 CT NCA/CAC LCM June Meet
100 Freestyle LCM 1:14.77 B+0.98s to BB 2023-06-03 CT CDOG LCM June Meet
200 Freestyle LCM 2:50.34 B+10.15s to BB 2023-06-27 CT NCA/CAC LCM June Meet
400 Freestyle LCM 5:23.35 BB+12.26s to A 2024-05-17 051724what results
50 Backstroke LCM 42.67 +0.38s to B 2023-06-27 CT NCA/CAC LCM June Meet
100 Breaststroke LCM 1:18.21 AAA+3.12s to AAAA 2024-08-07 2024 EZ LC Age Group Championship venue
200 Breaststroke LCM 2:50.23 AAA+7.64s to AAAA 2024-08-10 2024 EZ LC Age Group Championship venue
200 Individual Medley LCM 3:03.17 B+2.58s to BB 2023-06-27 CT NCA/CAC LCM June Meet

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

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 24.06 flying 200 Free Relay (leg 2) 2026-04-01 2026 YMCA Short Course Nationals
100 Freestyle SCY 53.10 flying 400 Free Relay (leg 2) 2026-04-03 2026 YMCA Short Course Nationals
200 Freestyle SCY 1:56.55 flying 800 Free Relay (leg 2) 2026-03-30 2026 YMCA Short Course Nationals
50 Breaststroke SCY 29.01 flying 200 Medley Relay (leg 2) 2026-03-31 2026 YMCA Short Course Nationals

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 15-16 · SCY

4146 points (5/6 events — incomplete)

EventTime Points
500 FR SCY 5:40.39 690
200 BK SCY 2:10.05 819
200 BR SCY 2:22.39 940
200 IM SCY 2:07.79 926
400 IM SCY 4:50.30 771
200 FL SCY 0

IMR 15-16 · SCY

3418 points (4/5 events — incomplete)

EventTime Points
200 FR SCY 2:01.71 774
100 BK SCY 1:02.26 731
100 BR SCY 1:04.77 987
200 IM SCY 2:07.79 926
100 FL SCY 0

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

PR splits

100 Freestyle SCY 56.41 split/total mismatch

27.55
1.31

Front half 27.55s · back half 28.86s

200 Freestyle SCY 2:01.71 split/total mismatch

27.94
31.20
31.53
31.04

500 Freestyle SCY 5:40.39

30.77
35.10
34.56
35.00
35.55
34.62
34.07
34.49
34.13
32.10

Front half 170.98s · back half 169.41s

1000 Freestyle SCY 11:02.25 split/total mismatch

28.89
32.32
33.08
33.47
33.33
33.44
33.34
33.57
33.30
34.16
33.71
33.37
33.85
34.05
33.41
33.57
32.83
32.96
33.52
32.08

1650 Freestyle SCY 18:31.54 split/total mismatch

29.85
32.98
33.66
34.31
33.95
34.23
33.57
34.44
34.10
34.28
33.67
33.87
33.88
33.51
34.00
34.48
33.68
34.40
34.17
33.67
34.25
33.81
33.63
33.66
33.95
34.04
34.27
33.40
33.17
34.00
32.66
33.58
32.42

100 Backstroke SCY 1:02.26 split/total mismatch

30.33
1.60

Front half 30.33s · back half 31.93s

200 Backstroke SCY 2:10.05 split/total mismatch

30.66
33.17
33.59
32.63

100 Breaststroke SCY 1:04.77 RT 0.68s

30.33
34.44

Front half 30.33s · back half 34.44s

200 Breaststroke SCY 2:22.39 RT 0.72s

31.83
35.65
37.26
37.65

Front half 67.48s · back half 74.91s

100 Individual Medley SCY 1:00.55 split/total mismatch

28.75
3.05

Front half 28.75s · back half 31.80s

200 Individual Medley SCY 2:07.79 RT 0.75s

26.86
31.62
38.44
30.87

Front half 58.48s · back half 69.31s

400 Individual Medley SCY 4:50.30 split/total mismatch

32.38
38.99
36.98
36.20
40.55
40.47
33.81
30.92

100 Freestyle LCM 1:14.77 split/total mismatch

39.83
37.36
74.77
40.13

400 Freestyle LCM 5:23.35 split/total mismatch

77.67
83.59
82.24
79.85

100 Breaststroke LCM 1:18.21

36.69
41.52

Front half 36.69s · back half 41.52s

200 Breaststroke LCM 2:50.23

38.55
44.33
44.50
42.85

Front half 82.88s · back half 87.35s

Reaction time

fastest 0.68s average 0.719s slowest 0.75s 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.

50 Freestyle SCY 24.96 8 swims
100 Freestyle SCY 56.41 7 swims
200 Freestyle SCY 2:01.71 3 swims
500 Freestyle SCY 5:40.39 1 swim
1000 Freestyle SCY 11:02.25 2 swims
1650 Freestyle SCY 18:31.54 2 swims
50 Backstroke SCY 28.67 5 swims
100 Backstroke SCY 1:02.26 3 swims
200 Backstroke SCY 2:10.05 9 swims
50 Breaststroke SCY 31.42 5 swims
100 Breaststroke SCY 1:04.77 11 swims
200 Breaststroke SCY 2:22.39 11 swims
50 Butterfly SCY 29.48 1 swim
100 Individual Medley SCY 1:00.55 7 swims
200 Individual Medley SCY 2:07.79 9 swims
400 Individual Medley SCY 4:50.30 3 swims
50 Freestyle LCM 33.45 1 swim
100 Freestyle LCM 1:14.77 3 swims
200 Freestyle LCM 2:50.34 1 swim
400 Freestyle LCM 5:23.35 1 swim
50 Backstroke LCM 42.67 1 swim
100 Breaststroke LCM 1:18.21 3 swims
200 Breaststroke LCM 2:50.23 3 swims
200 Individual Medley LCM 3:03.17 1 swim