Jonas Johnson

Mage 17CZMTNDSTBACUN

218 plausible swims · 32 meets · 2019-01-01 → 2026-06-21

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.68	AA+0.59s to AAA	2025-11-15	2025 MT MAC Fall Invitational venue
100 Freestyle	SCY	50.09	AA+1.80s to AAA	2025-03-29	2025 Four Corners Speedo Sectionals - Austin venue
200 Freestyle	SCY	1:50.83	AA+4.44s to AAA	2025-11-16	2025 MT MAC Fall Invitational venue
500 Freestyle	SCY	5:10.63	A+8.94s to AA	2025-10-03	2025 MT Arena BAC Fall Invite venue
25 Backstroke	SCY	15.25		2022-04-23	2022 MT BAC Sprint Meet venue
50 Backstroke	SCY	25.24	AA+0.65s to AAA	2025-02-21	2025 MT Swimming SC State Championships venue
100 Backstroke	SCY	53.68	AA+1.19s to AAA	2026-02-14	2026 MHSA USA High School State Observed venue
200 Backstroke	SCY	1:56.18	AA+1.39s to AAA	2026-03-13	2026 Speedo Sectionals (North) - West Fargo venue
25 Breaststroke	SCY	13.47		2025-04-18	2025 MT BAC Intersquad venue
50 Breaststroke	SCY	30.43	A+0.84s to AA	2025-04-18	2025 MT BAC Intersquad venue
100 Breaststroke	SCY	1:27.96	+12.47s to B	2022-01-23	2022 BY Winter Open slow pool
200 Breaststroke	SCY	3:07.80	+23.61s to B	2022-01-22	2022 BY Winter Open slow pool
25 Butterfly	SCY	14.27		2022-04-23	2022 MT BAC Sprint Meet venue
50 Butterfly	SCY	25.16	AA+0.67s to AAA	2026-03-01	2026 MT Swimming SC State Championships venue
100 Butterfly	SCY	55.60	A+1.31s to AA	2026-02-28	2026 MT Swimming SC State Championships venue
200 Butterfly	SCY	2:18.49	B+0.30s to BB	2025-02-02	2025 MT Arena BAC Last Chance Invite venue
100 Individual Medley	SCY	57.58		2025-10-04	2025 MT Arena BAC Fall Invite venue
200 Individual Medley	SCY	1:59.81	AA+2.32s to AAA	2026-03-15	2026 Speedo Sectionals (North) - West Fargo venue
400 Individual Medley	SCY	4:29.70	A+5.21s to AA	2025-11-14	2025 MT MAC Fall Invitational venue
50 Freestyle	LCM	26.22	AA+0.73s to AAA	2025-06-21	2025 MT MAC 44th Annual Firecracker Classic venue
100 Freestyle	LCM	56.47	AA+0.88s to AAA	2026-01-01	2026 gst wy summer spectacular complete results
400 Freestyle	LCM	4:29.94	AA+9.35s to AAA	2026-01-01	2026 gst wy summer spectacular complete results
800 Freestyle	LCM	9:27.91	A+1.72s to AA	2026-01-01	2026 gst wy summer spectacular complete results
50 Backstroke	LCM	30.66	AA+1.27s to AAA	2025-06-20	2025 MT MAC 44th Annual Firecracker Classic venue
100 Backstroke	LCM	1:03.28	AA+1.39s to AAA	2026-06-20	2026 WY GST Summer Spectacular - copied venue
200 Backstroke	LCM	2:20.10	AA+5.31s to AAA	2026-01-01	2026 gst wy summer spectacular complete results
50 Breaststroke	LCM	47.92	+7.03s to B	2021-05-16	2021 MT BOZ Schwendeman Ortho May Classic venue
100 Breaststroke	LCM	1:17.75	BB+2.26s to A	2026-05-16	2026 MT Bozeman May Classic venue
200 Breaststroke	LCM	2:56.30	BB+11.61s to A	2026-01-01	2026 gst wy summer spectacular complete results
50 Butterfly	LCM	29.34	A+0.45s to AA	2024-07-21	2024 MT Swimming LC State Championships venue
100 Butterfly	LCM	1:04.55	A+2.16s to AA	2026-06-21	2026 WY GST Summer Spectacular - copied venue
200 Butterfly	LCM	2:37.08	BB+11.69s to A	2025-06-20	2025 MT MAC 44th Annual Firecracker Classic venue
200 Individual Medley	LCM	2:22.47	A+0.08s to AA	2026-05-16	2026 MT Bozeman May Classic venue
400 Individual Medley	LCM	5:32.12	BB+13.13s to A	2024-07-20	2024 MT Swimming LC State Championships venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.

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	22.40	flying	200 Free Relay (leg 3)	2026-03-01	2026 MT Swimming SC State Championships
100 Freestyle	SCY	58.89	flying	400 Free Relay (leg 4)	2022-02-25	2022 MT Swimming SC State Championships
50 Backstroke	SCY	30.88	flat	200 Medley Relay	2022-02-26	2022 MT Swimming SC State Championships
100 Freestyle	LCM	1:12.26	flat	400 Free Relay	2021-07-23	2021 MT Summer LC State Championship

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 17-18 · LCM

3829 points (6/6 events)

Event	Time	Points
400 FR LCM	4:29.94	746
200 BK LCM	2:20.10	742
200 BR LCM	2:56.30	521
200 FL LCM	2:37.08	507
200 IM LCM	2:22.47	742
400 IM LCM	5:32.12	571

IMR 17-18 · SCY

3224 points (5/5 events)

Event	Time	Points
200 FR SCY	1:50.83	738
100 BK SCY	53.68	755
100 BR SCY	1:27.96	257
100 FL SCY	55.60	688
200 IM SCY	1:59.81	786

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

PR splits

100 Freestyle SCY 50.09

23.89

26.20

Front half 23.89s · back half 26.20s

200 Freestyle SCY 1:50.83

24.50

27.73

29.08

29.52

Front half 52.23s · back half 58.60s

500 Freestyle SCY 5:10.63

27.54

29.73

30.73

30.92

30.86

31.44

32.29

32.79

32.75

31.58

Front half 149.78s · back half 160.85s

100 Backstroke SCY 53.68

26.05

27.63

Front half 26.05s · back half 27.63s

200 Backstroke SCY 1:56.18

26.44

28.83

30.37

30.54

Front half 55.27s · back half 60.91s

100 Breaststroke SCY 1:27.96

41.83

46.13

Front half 41.83s · back half 46.13s

200 Breaststroke SCY 3:07.80

42.95

48.79

48.55

47.51

Front half 91.74s · back half 96.06s

100 Butterfly SCY 55.60

25.75

29.85

Front half 25.75s · back half 29.85s

200 Butterfly SCY 2:18.49 RT 0.69s

30.49

34.72

36.23

37.05

Front half 65.21s · back half 73.28s

100 Individual Medley SCY 57.58

26.19

31.39

Front half 26.19s · back half 31.39s

200 Individual Medley SCY 1:59.81

26.16

29.19

36.02

28.44

Front half 55.35s · back half 64.46s

400 Individual Medley SCY 4:29.70

28.03

33.32

32.34

31.53

40.35

41.42

32.07

30.64

Front half 125.22s · back half 144.48s

100 Backstroke LCM 1:03.28

30.49

32.79

Front half 30.49s · back half 32.79s

100 Butterfly LCM 1:04.55

29.98

34.57

Front half 29.98s · back half 34.57s

200 Butterfly LCM 2:37.08

32.31

37.25

41.94

45.58

Front half 69.56s · back half 87.52s

200 Individual Medley LCM 2:22.47

64.87

77.60

Front half 64.87s · back half 77.60s

400 Individual Medley LCM 5:32.12

33.50

38.38

43.56

41.88

49.05

49.44

38.88

37.43

Front half 157.32s · back half 174.80s

Reaction time

fastest 0.58s average 0.654s slowest 0.73s 12 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 22.68 13 swims

100 Freestyle SCY 50.09 13 swims

200 Freestyle SCY 1:50.83 5 swims

500 Freestyle SCY 5:10.63 2 swims

25 Backstroke SCY 15.25 1 swim

50 Backstroke SCY 25.24 15 swims

100 Backstroke SCY 53.68 24 swims

200 Backstroke SCY 1:56.18 20 swims

25 Breaststroke SCY 13.47 1 swim

50 Breaststroke SCY 30.43 3 swims

100 Breaststroke SCY 1:27.96 2 swims

200 Breaststroke SCY 3:07.80 1 swim

25 Butterfly SCY 14.27 1 swim

50 Butterfly SCY 25.16 11 swims

100 Butterfly SCY 55.60 12 swims

200 Butterfly SCY 2:18.49 3 swims

100 Individual Medley SCY 57.58 5 swims

200 Individual Medley SCY 1:59.81 11 swims

400 Individual Medley SCY 4:29.70 4 swims

50 Freestyle LCM 26.22 4 swims

100 Freestyle LCM 56.47 6 swims

400 Freestyle LCM 4:29.94 6 swims

800 Freestyle LCM 9:27.91 2 swims

50 Backstroke LCM 30.66 6 swims

100 Backstroke LCM 1:03.28 11 swims

200 Backstroke LCM 2:20.10 9 swims

50 Breaststroke LCM 47.92 1 swim

100 Breaststroke LCM 1:17.75 4 swims

200 Breaststroke LCM 2:56.30 2 swims

50 Butterfly LCM 29.34 5 swims

100 Butterfly LCM 1:04.55 7 swims

200 Butterfly LCM 2:37.08 2 swims

200 Individual Medley LCM 2:22.47 5 swims

400 Individual Medley LCM 5:32.12 1 swim