Dongxin Xian

Mage 10CAARSC

152 plausible swims · 29 meets · 2024-09-28 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	29.74	AA+0.95s to AAA	2026-01-19	2026 CA Trident Swim Club Winter Invite - cop venue
100 Freestyle	SCY	1:05.40	AA+1.31s to AAA	2025-09-14	2025 DARE Launch & Lunge Season Opener venue
200 Freestyle	SCY	2:22.99	AA+3.90s to AAA	2026-02-15	2026 Metro Champs @ La Mirada Armada venue
50 Backstroke	SCY	35.22	AA+1.03s to AAA	2025-09-14	2025 DARE Launch & Lunge Season Opener venue
100 Backstroke	SCY	1:16.50	A+0.21s to AA	2026-01-19	2026 CA Trident Swim Club Winter Invite - cop venue
50 Breaststroke	SCY	41.52	A+1.33s to AA	2026-02-15	2026 Metro Champs @ La Mirada Armada venue
100 Breaststroke	SCY	1:33.00	BB+1.31s to A	2025-09-14	2025 DARE Launch & Lunge Season Opener venue
50 Butterfly	SCY	36.41	BB+0.32s to A	2025-02-02	2025 CA Commerce Aquatics SC Swim Meet venue
100 Butterfly	SCY	1:29.59	BB+5.00s to A	2025-11-23	2025 CA Fast Before The Feast venue
100 Individual Medley	SCY	1:18.85	A+2.36s to AA	2025-09-14	2025 DARE Launch & Lunge Season Opener venue
200 Individual Medley	SCY	2:48.12	A+2.23s to AA	2026-01-11	2026 CA Commerce Aquatics SC Swim Meet - venue
50 Freestyle	LCM	33.55	AA+0.56s to AAA	2025-07-26	2025 CA SCS Summer A/G Champs
100 Freestyle	LCM	1:13.40	AA+0.11s to AAA	2026-06-12	ARMADA-2026 SCS June AG Invite venue
200 Freestyle	LCM	2:37.42	AAA+5.43s to AAAA	2026-06-11	ARMADA-2026 SCS June AG Invite venue
50 Backstroke	LCM	39.48	AA+0.49s to AAA	2026-06-13	ARMADA-2026 SCS June AG Invite venue
100 Backstroke	LCM	1:22.11	AAA+2.12s to AAAA	2026-06-14	ARMADA-2026 SCS June AG Invite venue
50 Breaststroke	LCM	47.56	A+1.77s to AA	2025-06-01	2025 CA Downey Dolphins Swim Team LC Meet slow pool
100 Breaststroke	LCM	1:49.70	BB+4.11s to A	2026-04-11	Armada Lc April Meet -April 11-12-2026 venue
50 Butterfly	LCM	43.10	BB+2.51s to A	2025-05-04	2025 CA Downey Dolphins Swim Team LC Meet slow pool
200 Individual Medley	LCM	3:07.76	AA+6.67s to AAA	2026-06-12	ARMADA-2026 SCS June AG Invite venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.

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	29.40	flat	200 Free Relay	2025-12-13	2025 CA SCS/RAA WAG
50 Freestyle	SCY	25.42	flying	200 Free Relay (leg 2)	2024-12-14	2024 CA SCAT/SCS WAG
50 Backstroke	SCY	35.43	flat	200 Medley Relay	2025-12-14	2025 CA SCS/RAA WAG
50 Butterfly	SCY	36.82	flying	200 Medley Relay (leg 3)	2025-02-15	2025 Metro Sc Champs at Armada
50 Freestyle	LCM	32.85	flying	200 Free Relay (leg 4)	2026-06-13	ARMADA-2026 SCS June AG Invite
50 Backstroke	LCM	40.14	flat	200 Medley Relay	2026-06-12	ARMADA-2026 SCS June AG Invite

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 10 & under · SCY

3334 points (5/5 events)

Event	Time	Points
200 FR SCY	2:22.99	799
100 BK SCY	1:16.50	733
100 BR SCY	1:33.00	608
100 FL SCY	1:29.59	472
200 IM SCY	2:48.12	722

IMR 10 & under · LCM

3636 points (5/5 events)

Event	Time	Points
100 FR LCM	1:13.40	859
50 BK LCM	39.48	822
50 BR LCM	47.56	663
50 FL LCM	43.10	521
200 IM LCM	3:07.76	771

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

PR splits

100 Freestyle SCY 1:05.40

31.73

33.67

Front half 31.73s · back half 33.67s

200 Freestyle SCY 2:22.99

32.48

37.37

38.01

35.13

Front half 69.85s · back half 73.14s

100 Backstroke SCY 1:16.50

37.02

39.48

Front half 37.02s · back half 39.48s

100 Breaststroke SCY 1:33.00

44.10

48.90

Front half 44.10s · back half 48.90s

100 Butterfly SCY 1:29.59

42.13

47.46

Front half 42.13s · back half 47.46s

100 Individual Medley SCY 1:18.85

36.47

42.38

Front half 36.47s · back half 42.38s

200 Individual Medley SCY 2:48.12

40.37

40.76

50.25

36.74

Front half 81.13s · back half 86.99s

100 Freestyle LCM 1:13.40

35.40

38.00

Front half 35.40s · back half 38.00s

200 Freestyle LCM 2:37.42

35.94

40.85

40.95

39.68

Front half 76.79s · back half 80.63s

100 Backstroke LCM 1:22.11

39.44

42.67

Front half 39.44s · back half 42.67s

100 Breaststroke LCM 1:49.70

52.16

57.54

Front half 52.16s · back half 57.54s

200 Individual Medley LCM 3:07.76

87.23

100.53

Front half 87.23s · back half 100.53s

Reaction time

fastest 0.47s average 0.567s slowest 0.69s 6 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 29.74 16 swims

100 Freestyle SCY 1:05.40 16 swims

200 Freestyle SCY 2:22.99 12 swims

50 Backstroke SCY 35.22 13 swims

100 Backstroke SCY 1:16.50 12 swims

50 Breaststroke SCY 41.52 6 swims

100 Breaststroke SCY 1:33.00 6 swims

50 Butterfly SCY 36.41 7 swims

100 Butterfly SCY 1:29.59 3 swims

100 Individual Medley SCY 1:18.85 7 swims

200 Individual Medley SCY 2:48.12 6 swims

50 Freestyle LCM 33.55 7 swims

100 Freestyle LCM 1:13.40 11 swims

200 Freestyle LCM 2:37.42 5 swims

50 Backstroke LCM 39.48 6 swims

100 Backstroke LCM 1:22.11 7 swims

50 Breaststroke LCM 47.56 3 swims

100 Breaststroke LCM 1:49.70 2 swims

50 Butterfly LCM 43.10 4 swims

200 Individual Medley LCM 3:07.76 3 swims