Isaac Jakub

Mage 15MTNDBACUN

308 plausible swims · 46 meets · 2019-10-11 → 2026-06-21

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 26.03 BB+1.34s to A 2025-11-23 2025 MT HOT Sugar Beet Splash venue
100 Freestyle SCY 56.25 BB+1.96s to A 2025-12-04 2025 Holiday Swim Festival
200 Freestyle SCY 2:03.93 BB+5.34s to A 2026-05-09 2026 MT Arena BAC Big Sky State Games venue
500 Freestyle SCY 5:23.19 BB+0.60s to A 2025-11-22 2025 MT HOT Sugar Beet Splash venue
1000 Freestyle SCY 11:03.31 A+19.52s to AA 2025-11-23 2025 MT HOT Sugar Beet Splash venue
1650 Freestyle SCY 19:06.83 BB+25.94s to A 2026-01-23 2026 MT BY Rubber Duck Open venue
50 Backstroke SCY 31.05 B+0.76s to BB 2025-12-04 2025 Holiday Swim Festival
100 Backstroke SCY 1:03.63 BB+4.04s to A 2025-12-04 2025 Holiday Swim Festival
200 Backstroke SCY 2:13.77 BB+3.68s to A 2026-05-09 2026 MT Arena BAC Big Sky State Games venue
50 Breaststroke SCY 31.84 A+1.05s to AA 2025-12-04 2025 Holiday Swim Festival
100 Breaststroke SCY 1:07.74 BB+0.35s to A 2022-11-05 Williston MonDak Invite
200 Breaststroke SCY 2:31.70 BB+4.71s to A 2025-12-21 2025 MT Arena BAC Holiday Invite venue
50 Butterfly SCY 29.73 BB+1.94s to A 2025-11-22 2025 MT HOT Sugar Beet Splash venue
100 Butterfly SCY 1:03.56 BB+4.67s to A 2026-02-13 2026 MHSA USA High School State Observed venue
200 Butterfly SCY 2:23.83 B+0.84s to BB 2026-02-27 2026 MT Swimming SC State Championships venue
100 Individual Medley SCY 1:17.61 2022-10-08 2022 MT BAC Fall Invite venue
200 Individual Medley SCY 2:16.61 BB+4.42s to A 2026-05-10 2026 MT Arena BAC Big Sky State Games venue
400 Individual Medley SCY 4:52.68 BB+8.49s to A 2025-12-19 2025 MT Arena BAC Holiday Invite venue
50 Freestyle LCM 29.05 BB+0.46s to A 2026-06-19 2026 WY GST Summer Spectacular - copied
100 Freestyle LCM 1:04.20 BB+1.91s to A 2026-06-19 2026 WY GST Summer Spectacular - copied
200 Freestyle LCM 2:23.14 BB+5.95s to A 2026-06-19 2026 WY GST Summer Spectacular - copied
400 Freestyle LCM 4:52.67 BB+0.58s to A 2026-06-19 2026 WY GST Summer Spectacular - copied
800 Freestyle LCM 10:33.38 BB+29.49s to A 2024-07-18 2024 MT Swimming LC State Championships venue
1500 Freestyle LCM 20:13.53 BB+48.74s to A 2025-06-19 2025 MT MAC 44th Annual Firecracker Classic venue
50 Backstroke LCM 34.67 BB+1.48s to A 2026-05-17 2026 MT Bozeman May Classic venue
100 Backstroke LCM 1:12.43 BB+2.84s to A 2026-05-16 2026 MT Bozeman May Classic venue
200 Backstroke LCM 2:37.79 BB+6.70s to A 2026-04-19 2026 MT BOZ Spring Chicken venue
50 Breaststroke LCM 36.76 BB+0.27s to A 2026-04-18 2026 MT BOZ Spring Chicken venue
100 Breaststroke LCM 1:22.35 BB+3.96s to A 2026-04-19 2026 MT BOZ Spring Chicken venue
200 Breaststroke LCM 2:55.94 BB+4.55s to A 2026-06-19 2026 WY GST Summer Spectacular - copied
50 Butterfly LCM 32.44 BB+1.15s to A 2026-06-19 2026 WY GST Summer Spectacular - copied
100 Butterfly LCM 1:15.29 B+2.40s to BB 2026-05-17 2026 MT Bozeman May Classic venue
200 Butterfly LCM 2:54.84 B+11.75s to BB 2026-04-18 2026 MT BOZ Spring Chicken venue
200 Individual Medley LCM 2:34.49 BB+1.30s to A 2026-06-19 2026 WY GST Summer Spectacular - copied venue
400 Individual Medley LCM 5:47.71 BB+18.42s to A 2025-07-19 2025 MT Swimming LC State Championships venue

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

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 26.80 flying 200 Free Relay (leg 3) 2025-02-23 2025 MT Swimming SC State Championships
100 Freestyle SCY 59.91 flying 400 Free Relay (leg 3) 2025-02-21 2025 MT Swimming SC State Championships
50 Breaststroke SCY 45.21 flying 200 Medley Relay (leg 2) 2022-03-05 2022 MT SC Junior B-C Championship Meet
100 Freestyle LCM 1:29.08 flat 400 Free Relay 2021-07-23 2021 MT Summer LC State Championship
100 Freestyle LCM 1:05.70 flying 400 Free Relay (leg 2) 2025-07-18 2025 MT Swimming LC State 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 15-16 · SCY

3363 points (6/6 events)

EventTime Points
500 FR SCY 5:23.19 624
200 BK SCY 2:13.77 566
200 BR SCY 2:31.70 563
200 FL SCY 2:23.83 480
200 IM SCY 2:16.61 568
400 IM SCY 4:52.68 562

IMR 15-16 · SCY

2745 points (5/5 events)

EventTime Points
200 FR SCY 2:03.93 557
100 BK SCY 1:03.63 505
100 BR SCY 1:07.74 617
100 FL SCY 1:03.56 498
200 IM SCY 2:16.61 568

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

PR splits

100 Freestyle SCY 56.25

26.97
29.28

Front half 26.97s · back half 29.28s

200 Freestyle SCY 2:03.93

28.15
31.41
32.71
31.66

Front half 59.56s · back half 64.37s

500 Freestyle SCY 5:23.19

29.41
32.27
32.77
33.16
32.76
33.08
33.00
32.50
32.89
31.35

Front half 160.37s · back half 162.82s

1000 Freestyle SCY 11:03.31

29.60
31.97
32.31
32.33
32.84
33.28
33.32
33.40
33.41
33.36
33.76
33.68
33.97
33.81
33.79
34.13
34.13
34.65
34.53
31.04

Front half 325.82s · back half 337.49s

1650 Freestyle SCY 19:06.83

29.53
33.88
35.16
35.10
34.35
35.99
35.28
35.17
34.39
35.14
34.73
34.80
35.71
35.33
35.60
35.08
35.07
34.17
34.61
34.88
34.51
35.16
34.21
35.24
35.63
34.54
35.40
35.78
34.64
35.63
34.02
34.73
33.37

100 Backstroke SCY 1:03.63

31.42
32.21

Front half 31.42s · back half 32.21s

200 Backstroke SCY 2:13.77 RT 0.79s

32.03
33.59
34.01
34.14

Front half 65.62s · back half 68.15s

200 Breaststroke SCY 2:31.70

33.29
38.33
39.38
40.70

Front half 71.62s · back half 80.08s

100 Butterfly SCY 1:03.56

29.65
33.91

Front half 29.65s · back half 33.91s

200 Butterfly SCY 2:23.83

30.42
36.55
38.22
38.64

Front half 66.97s · back half 76.86s

100 Individual Medley SCY 1:17.61

37.12
40.49

Front half 37.12s · back half 40.49s

200 Individual Medley SCY 2:16.61

30.64
34.11
40.51
31.35

Front half 64.75s · back half 71.86s

400 Individual Medley SCY 4:52.68

31.66
37.76
36.99
35.97
41.02
42.21
34.56
32.51

Front half 142.38s · back half 150.30s

800 Freestyle LCM 10:33.38

34.05
38.58
39.39
39.66
39.47
40.01
40.28
39.78
40.87
40.22
40.83
40.54
40.58
40.90
40.79
37.43

Front half 311.22s · back half 322.16s

1500 Freestyle LCM 20:13.53

69.76
78.72
79.88
81.47
81.72
81.97
82.22
82.50
83.28
82.85
82.31
81.71
82.58
82.98
79.58

200 Backstroke LCM 2:37.79

77.68
80.11

Front half 77.68s · back half 80.11s

200 Butterfly LCM 2:54.84

82.37
92.47

Front half 82.37s · back half 92.47s

200 Individual Medley LCM 2:34.49

33.57
38.93
46.38
35.61

Front half 72.50s · back half 81.99s

400 Individual Medley LCM 5:47.71

83.69
86.28
100.94
76.80

Front half 169.97s · back half 177.74s

Reaction time

fastest 0.60s average 0.728s slowest 0.83s 14 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 26.03 21 swims
100 Freestyle SCY 56.25 20 swims
200 Freestyle SCY 2:03.93 12 swims
500 Freestyle SCY 5:23.19 21 swims
1000 Freestyle SCY 11:03.31 6 swims
1650 Freestyle SCY 19:06.83 7 swims
50 Backstroke SCY 31.05 9 swims
100 Backstroke SCY 1:03.63 8 swims
200 Backstroke SCY 2:13.77 6 swims
50 Breaststroke SCY 31.84 11 swims
100 Breaststroke SCY 1:07.74 12 swims
200 Breaststroke SCY 2:31.70 12 swims
50 Butterfly SCY 29.73 9 swims
100 Butterfly SCY 1:03.56 11 swims
200 Butterfly SCY 2:23.83 8 swims
100 Individual Medley SCY 1:17.61 7 swims
200 Individual Medley SCY 2:16.61 7 swims
400 Individual Medley SCY 4:52.68 7 swims
50 Freestyle LCM 29.05 7 swims
100 Freestyle LCM 1:04.20 11 swims
200 Freestyle LCM 2:23.14 10 swims
400 Freestyle LCM 4:52.67 13 swims
800 Freestyle LCM 10:33.38 3 swims
1500 Freestyle LCM 20:13.53 5 swims
50 Backstroke LCM 34.67 3 swims
100 Backstroke LCM 1:12.43 5 swims
200 Backstroke LCM 2:37.79 3 swims
50 Breaststroke LCM 36.76 7 swims
100 Breaststroke LCM 1:22.35 11 swims
200 Breaststroke LCM 2:55.94 10 swims
50 Butterfly LCM 32.44 4 swims
100 Butterfly LCM 1:15.29 4 swims
200 Butterfly LCM 2:54.84 4 swims
200 Individual Medley LCM 2:34.49 9 swims
400 Individual Medley LCM 5:47.71 4 swims