Mason Leach

Mage 18AKIEMTNMPNUTHEATOR

100 plausible swims · 15 meets · 2019-08-07 → 2024-07-13

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	20.91	AAA+0.22s to AAAA	2023-03-12	2023 Northwest Spring Speedo Sectionals venue
100 Backstroke	SCY	48.93	AAAA	2023-03-10	2023 Northwest Spring Speedo Sectionals venue
200 Backstroke	SCY	1:55.41	AA+1.92s to AAA	2023-03-11	2023 Northwest Spring Speedo Sectionals venue
100 Breaststroke	SCY	1:01.95	A+0.36s to AA	2021-03-27	Mar 2021 Speedo Swimvitational of the Univers venue
200 Breaststroke	SCY	2:06.48	AAA+4.29s to AAAA	2023-03-09	2023 Northwest Spring Speedo Sectionals venue
100 Butterfly	SCY	49.18	AAAA	2023-03-11	2023 Northwest Spring Speedo Sectionals venue
200 Individual Medley	SCY	1:57.15	AA+0.96s to AAA	2023-03-12	2023 Northwest Spring Speedo Sectionals venue
50 Freestyle	LCM	24.20	AAA+0.21s to AAAA	2024-03-17	2024 Northwest Spring Speedo Sectionals venue
100 Freestyle	LCM	54.01	AAA+1.32s to AAAA	2024-03-14	2024 Northwest Spring Speedo Sectionals venue
200 Freestyle	LCM	2:02.53	AA+1.84s to AAA	2022-07-15	2022 Speedo Sectionals - Mt Hood venue
100 Backstroke	LCM	56.47	AAAA	2024-03-15	2024 Northwest Spring Speedo Sectionals venue
200 Backstroke	LCM	2:17.28	AA+3.49s to AAA	2022-07-16	2022 Speedo Sectionals - Mt Hood venue
100 Breaststroke	LCM	1:11.47	AA+3.08s to AAA	2021-03-24	Mar 2021 Swimvitational Time Trials
200 Breaststroke	LCM	2:34.09	AA+4.40s to AAA	2021-07-27	Finals - Western Zone Senior Champs fast pool
100 Butterfly	LCM	54.64	AAAA	2024-03-16	2024 Northwest Spring Speedo Sectionals venue
200 Individual Medley	LCM	2:16.71	AA+1.02s to AAA	2021-07-28	Finals - Western Zone Senior Champs fast pool
400 Individual Medley	LCM	4:36.52	AAAA	2024-03-21	1375548

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

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	LCM	25.29	flat	200 Free Relay	2024-07-11	2024 Speedo Sectionals - Mt Hood
50 Freestyle	LCM	24.64	flying	200 Free Relay (leg 2)	2022-07-14	2022 Speedo Sectionals - Mt Hood
100 Freestyle	LCM	55.50	flat	400 Free Relay	2022-07-15	2022 Speedo Sectionals - Mt Hood
50 Backstroke	LCM	27.49	flat	200 Medley Relay	2022-07-14	2022 Speedo Sectionals - Mt Hood
100 Butterfly	LCM	59.78	flying	400 Medley Relay (leg 3)	2022-07-17	2022 Speedo Sectionals - Mt Hood

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

3399 points (4/6 events — incomplete)

Event	Time	Points
200 BK LCM	2:17.28	789
200 BR LCM	2:34.09	780
200 IM LCM	2:16.71	839
400 IM LCM	4:36.52	991
400 FR LCM	—	0
200 FL LCM	—	0

IMR 17-18 · LCM

4583 points (5/5 events)

Event	Time	Points
200 FR LCM	2:02.53	820
100 BK LCM	56.47	1094
100 BR LCM	1:11.47	755
100 FL LCM	54.64	1075
200 IM LCM	2:16.71	839

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

PR splits

100 Backstroke SCY 48.93 RT 0.75s

23.68

25.25

Front half 23.68s · back half 25.25s

200 Backstroke SCY 1:55.41 RT 0.72s

25.17

28.76

30.75

30.73

Front half 53.93s · back half 61.48s

100 Breaststroke SCY 1:01.95

28.75

33.20

Front half 28.75s · back half 33.20s

200 Breaststroke SCY 2:06.48 RT 0.58s

27.81

32.38

33.58

32.71

Front half 60.19s · back half 66.29s

100 Butterfly SCY 49.18 RT 0.57s

23.18

26.00

Front half 23.18s · back half 26.00s

200 Individual Medley SCY 1:57.15 RT 0.56s

24.40

29.81

34.70

28.24

Front half 54.21s · back half 62.94s

200 Freestyle LCM 2:02.53

29.02

31.15

31.30

31.06

Front half 60.17s · back half 62.36s

100 Backstroke LCM 56.47 RT 0.71s

27.55

28.92

Front half 27.55s · back half 28.92s

200 Backstroke LCM 2:17.28

30.67

34.24

36.73

35.64

Front half 64.91s · back half 72.37s

200 Breaststroke LCM 2:34.09

35.76

39.75

40.16

38.42

Front half 75.51s · back half 78.58s

100 Butterfly LCM 54.64 RT 0.63s

25.80

28.84

Front half 25.80s · back half 28.84s

200 Individual Medley LCM 2:16.71

29.06

35.25

40.34

32.06

Front half 64.31s · back half 72.40s

Reaction time

fastest 0.52s average 0.639s slowest 0.90s 16 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 20.91 3 swims

100 Backstroke SCY 48.93 4 swims

200 Backstroke SCY 1:55.41 2 swims

100 Breaststroke SCY 1:01.95 1 swim

200 Breaststroke SCY 2:06.48 5 swims

100 Butterfly SCY 49.18 5 swims

200 Individual Medley SCY 1:57.15 3 swims

50 Freestyle LCM 24.20 12 swims

100 Freestyle LCM 54.01 4 swims

200 Freestyle LCM 2:02.53 5 swims

100 Backstroke LCM 56.47 15 swims

200 Backstroke LCM 2:17.28 4 swims

100 Breaststroke LCM 1:11.47 7 swims

200 Breaststroke LCM 2:34.09 7 swims

100 Butterfly LCM 54.64 9 swims

200 Individual Medley LCM 2:16.71 9 swims

400 Individual Medley LCM 4:36.52 5 swims