Zach Larson

Mage 13COMTCODSA

456 plausible swims · 67 meets · 2021-09-25 → 2026-06-27

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	16.78		2021-12-21	2021 CO AAC 12&U Sprint Eliminator venue
50 Freestyle	SCY	25.06	AA+0.67s to AAA	2026-02-28	2026 CO CSI SC Age Group Championships fast pool
100 Freestyle	SCY	55.52	A+0.03s to AA	2026-01-24	2026 CO TOPS Colorado Open venue
200 Freestyle	SCY	2:00.57	AA+4.48s to AAA	2026-02-15	2026 CO ACES Winter Open fast pool
500 Freestyle	SCY	5:55.51	BB+13.82s to A	2025-01-24	2025 CO TOPS Colorado Open venue
1650 Freestyle	SCY	21:48.52	B+20.13s to BB	2024-12-28	2024 CO DSA Alonzo Nevares Brute Squad venue
25 Backstroke	SCY	21.42		2021-12-21	2021 CO AAC 12&U Sprint Eliminator venue
50 Backstroke	SCY	32.33	BB+1.94s to A	2025-01-26	2025 CO TOPS Colorado Open venue
100 Backstroke	SCY	1:00.57	AA+2.08s to AAA	2026-01-25	2026 CO TOPS Colorado Open venue
200 Backstroke	SCY	2:13.61	A+0.42s to AA	2026-03-01	2026 CO CSI SC Age Group Championships fast pool
25 Breaststroke	SCY	22.80		2021-12-21	2021 CO AAC 12&U Sprint Eliminator venue
50 Breaststroke	SCY	33.10	AA+1.31s to AAA	2025-03-01	2025 CO CSI 14&U Age Group Championships venue
100 Breaststroke	SCY	1:08.93	AA+2.64s to AAA	2026-02-28	2026 CO CSI SC Age Group Championships fast pool
200 Breaststroke	SCY	2:27.13	AA+3.34s to AAA	2026-02-27	2026 CO CSI SC Age Group Championships fast pool
50 Butterfly	SCY	31.12	BB+1.43s to A	2024-11-23	2024 CO CUDA Pentathlon XXXVII venue
100 Butterfly	SCY	1:14.70	+0.91s to B	2024-12-06	2024 CO CSI Pioneer Open venue
200 Butterfly	SCY	2:57.91	+12.62s to B	2024-12-28	2024 CO DSA Alonzo Nevares Brute Squad venue
100 Individual Medley	SCY	1:04.08		2025-03-01	2025 CO CSI 14&U Age Group Championships venue
200 Individual Medley	SCY	2:13.88	AA+4.49s to AAA	2026-02-27	2026 CO CSI SC Age Group Championships fast pool
400 Individual Medley	SCY	5:22.72	BB+20.33s to A	2024-12-28	2024 CO DSA Alonzo Nevares Brute Squad venue
50 Freestyle	LCM	27.41	AAA+0.62s to AAAA	2025-05-17	2025 CO Hilltopper Invite venue
100 Freestyle	LCM	1:01.04	AAA+2.35s to AAAA	2026-06-26	2026 CO Zone 2 District Meet--DU venue
200 Freestyle	LCM	2:26.43	BB+0.74s to A	2026-06-27	2026 CO Zone 2 District Meet--DU venue
400 Freestyle	LCM	5:19.83	BB+11.34s to A	2025-06-06	2025 CO NJ Summer Solstice Invitational fast pool
50 Backstroke	LCM	34.26	A+0.37s to AA	2026-05-16	2026 CO Hilltopper Invite venue
100 Backstroke	LCM	1:14.06	A+2.27s to AA	2026-06-26	2026 CO Zone 2 District Meet--DU venue
200 Backstroke	LCM	2:40.71	A+4.82s to AA	2026-05-16	2026 CO Hilltopper Invite venue
50 Breaststroke	LCM	36.07	AAA+1.58s to AAAA	2026-05-16	2026 CO Hilltopper Invite venue
100 Breaststroke	LCM	1:20.64	A+0.75s to AA	2026-05-17	2026 CO Hilltopper Invite venue
200 Breaststroke	LCM	2:54.40	AA+6.71s to AAA	2026-06-26	2026 CO Zone 2 District Meet--DU venue
50 Butterfly	LCM	32.38	A+0.29s to AA	2025-07-13	2025 CO ACES/DSA Summer Blast Last Chance venue
100 Butterfly	LCM	1:47.36	+23.27s to B	2023-04-16	2023 CO FST LC Spring Fever venue
200 Individual Medley	LCM	2:36.62	A+0.23s to AA	2026-06-27	2026 CO Zone 2 District Meet--DU venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.

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

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	27.98	flying	200 Free Relay (leg 4)	2023-12-02	2023 CO CSI Pioneer Open
100 Freestyle	SCY	54.03	flat	400 Free Relay	2026-03-01	2026 CO CSI SC Age Group 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 13-14 · SCY

3364 points (6/6 events)

Event	Time	Points
500 FR SCY	5:55.51	538
200 BK SCY	2:13.61	654
200 BR SCY	2:27.13	708
200 FL SCY	2:57.91	288
200 IM SCY	2:13.88	693
400 IM SCY	5:22.72	483

IMR 13-14 · SCY

3103 points (5/5 events)

Event	Time	Points
200 FR SCY	2:00.57	696
100 BK SCY	1:00.57	688
100 BR SCY	1:08.93	672
100 FL SCY	1:14.70	354
200 IM SCY	2:13.88	693

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

PR splits

100 Freestyle SCY 55.52

26.74

28.78

Front half 26.74s · back half 28.78s

200 Freestyle SCY 2:00.57

27.35

30.65

31.94

30.63

Front half 58.00s · back half 62.57s

500 Freestyle SCY 5:55.51

28.97

32.51

34.68

36.68

36.49

37.13

37.43

37.17

37.76

36.69

Front half 169.33s · back half 186.18s

1650 Freestyle SCY 21:48.52

32.05

35.94

36.77

38.16

37.07

37.85

38.83

37.84

38.94

38.44

38.72

39.36

38.43

39.83

39.20

39.17

39.42

39.26

38.74

40.35

39.67

39.85

39.63

39.69

39.35

39.86

40.09

40.50

39.44

120.00

66.07

50 Backstroke SCY 32.33

16.22

16.11

Front half 16.22s · back half 16.11s

100 Backstroke SCY 1:00.57

29.99

30.58

Front half 29.99s · back half 30.58s

200 Backstroke SCY 2:13.61

30.89

34.11

34.53

34.08

Front half 65.00s · back half 68.61s

100 Breaststroke SCY 1:08.93

32.65

36.28

Front half 32.65s · back half 36.28s

200 Breaststroke SCY 2:27.13

32.30

36.85

38.79

39.19

Front half 69.15s · back half 77.98s

100 Butterfly SCY 1:14.70

31.98

42.72

Front half 31.98s · back half 42.72s

200 Butterfly SCY 2:57.91

33.86

42.78

101.27

100 Individual Medley SCY 1:04.08

29.98

34.10

Front half 29.98s · back half 34.10s

200 Individual Medley SCY 2:13.88

29.47

35.13

39.06

30.22

Front half 64.60s · back half 69.28s

400 Individual Medley SCY 5:22.72

32.98

42.36

41.27

41.58

44.41

46.11

38.58

35.43

Front half 158.19s · back half 164.53s

100 Freestyle LCM 1:01.04

28.96

32.08

Front half 28.96s · back half 32.08s

200 Freestyle LCM 2:26.43

32.64

36.71

38.68

38.40

Front half 69.35s · back half 77.08s

400 Freestyle LCM 5:19.83

33.71

38.96

40.61

42.65

41.03

42.34

41.74

38.79

Front half 155.93s · back half 163.90s

100 Backstroke LCM 1:14.06

35.28

38.78

Front half 35.28s · back half 38.78s

200 Backstroke LCM 2:40.71

37.57

40.99

41.86

40.29

Front half 78.56s · back half 82.15s

100 Breaststroke LCM 1:20.64

37.93

42.71

Front half 37.93s · back half 42.71s

200 Breaststroke LCM 2:54.40

39.07

45.45

44.94

Front half 84.52s · back half 89.88s

100 Butterfly LCM 1:47.36

48.99

58.37

Front half 48.99s · back half 58.37s

200 Individual Medley LCM 2:36.62

33.91

40.08

46.14

36.49

Front half 73.99s · back half 82.63s

Progression

Faster times are higher. One card per event, all courses & history.

25 Freestyle SCY 16.78 1 swim

50 Freestyle SCY 25.06 38 swims

100 Freestyle SCY 55.52 28 swims

200 Freestyle SCY 2:00.57 10 swims

500 Freestyle SCY 5:55.51 4 swims

1650 Freestyle SCY 21:48.52 2 swims

25 Backstroke SCY 21.42 3 swims

50 Backstroke SCY 32.33 21 swims

100 Backstroke SCY 1:00.57 8 swims

200 Backstroke SCY 2:13.61 4 swims

25 Breaststroke SCY 22.80 3 swims

50 Breaststroke SCY 33.10 39 swims

100 Breaststroke SCY 1:08.93 33 swims

200 Breaststroke SCY 2:27.13 11 swims

50 Butterfly SCY 31.12 12 swims

100 Butterfly SCY 1:14.70 3 swims

200 Butterfly SCY 2:57.91 2 swims

100 Individual Medley SCY 1:04.08 32 swims

200 Individual Medley SCY 2:13.88 18 swims

400 Individual Medley SCY 5:22.72 5 swims

50 Freestyle LCM 27.41 24 swims

100 Freestyle LCM 1:01.04 20 swims

200 Freestyle LCM 2:26.43 14 swims

400 Freestyle LCM 5:19.83 6 swims

50 Backstroke LCM 34.26 11 swims

100 Backstroke LCM 1:14.06 7 swims

200 Backstroke LCM 2:40.71 2 swims

50 Breaststroke LCM 36.07 25 swims

100 Breaststroke LCM 1:20.64 26 swims

200 Breaststroke LCM 2:54.40 11 swims

50 Butterfly LCM 32.38 10 swims

100 Butterfly LCM 1:47.36 1 swim

200 Individual Medley LCM 2:36.62 22 swims