Ronaldo Serna

Mage 16CADWNYSEADSGACUN-14UN1UN4

106 plausible swims · 23 meets · 2024-09-21 → 2026-06-07

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 24.47 BB+0.08s to A 2026-05-09 2026 SCSL Spring Meet #3 venue
100 Freestyle SCY 55.11 BB+1.62s to A 2026-02-14 2026 Metro Champs @ La Mirada Armada venue
200 Freestyle SCY 1:59.60 BB+2.81s to A 2026-05-09 2026 SCSL Spring Meet #3 venue
50 Backstroke SCY 31.46 B+1.87s to BB 2025-11-08 2025 CA Downey Dolphins SC Swim Meet venue
100 Backstroke SCY 1:03.59 B+0.70s to BB 2026-05-09 2026 SCSL Spring Meet #3 venue
200 Backstroke SCY 2:35.74 +7.25s to B 2024-11-23 2024 CA SCSL Fall Meet #4 venue
100 Breaststroke SCY 1:21.00 +4.01s to B 2025-06-22 SCSL Summer Championship Meet 2025 venue
50 Butterfly SCY 31.14 B+1.65s to BB 2025-01-26 SCSL Winter Championship Meet 2025 venue
100 Butterfly SCY 1:04.28 B+1.79s to BB 2026-02-15 2026 Metro Champs @ La Mirada Armada venue
200 Individual Medley SCY 2:23.94 B+3.45s to BB 2026-01-11 2026 CA Commerce Aquatics SC Swim Meet - venue
50 Freestyle LCM 28.39 BB+0.10s to A 2026-05-02 26 ESA Dolphins Swim Team venue
100 Freestyle LCM 1:02.12 BB+0.53s to A 2026-06-07 026 SEA Dolphins Swim Team venue
200 Freestyle LCM 2:17.72 BB+2.93s to A 2026-06-06 026 SEA Dolphins Swim Team venue
100 Backstroke LCM 1:14.19 B+0.40s to BB 2026-05-23 LVSC Memorial Day Invite 2026 venue
200 Backstroke LCM 2:50.04 B+10.05s to BB 2026-05-24 LVSC Memorial Day Invite 2026 venue
50 Breaststroke LCM 40.61 B+1.72s to BB 2026-04-12 Armada Lc April Meet -April 11-12-2026 venue
100 Breaststroke LCM 1:30.15 +0.26s to B 2026-04-11 Armada Lc April Meet -April 11-12-2026 venue
100 Butterfly LCM 1:11.29 BB+5.30s to A 2026-05-02 26 ESA Dolphins Swim Team venue
200 Individual Medley LCM 2:43.90 B+0.01s to BB 2026-05-03 26 ESA Dolphins Swim Team venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Butterfly SCY 26.72 flying 200 Medley Relay (leg 3) 2025-06-21 SCSL Summer Championship Meet 2025
50 Freestyle LCM 28.12 flying 200 Free Relay (leg 4) 2025-06-12 2025 CA SCS RAA June Age Group Championships
50 Breaststroke LCM 35.56 flying 200 Medley Relay (leg 2) 2026-06-14 ARMADA-2026 SCS June AG Invite
50 Butterfly LCM 30.20 flying 200 Medley Relay (leg 3) 2025-06-15 2025 CA SCS RAA June 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 15-16 · LCM

961 points (2/6 events — incomplete)

EventTime Points
200 BK LCM 2:50.04 438
200 IM LCM 2:43.90 523
400 FR LCM 0
200 BR LCM 0
200 FL LCM 0
400 IM LCM 0

IMR 15-16 · LCM

2597 points (5/5 events)

EventTime Points
200 FR LCM 2:17.72 620
100 BK LCM 1:14.19 515
100 BR LCM 1:30.15 412
100 FL LCM 1:11.29 527
200 IM LCM 2:43.90 523

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

PR splits

100 Freestyle SCY 55.11

26.54
28.57

Front half 26.54s · back half 28.57s

200 Freestyle SCY 1:59.60

26.04
30.12
31.56
31.88

Front half 56.16s · back half 63.44s

100 Backstroke SCY 1:03.59

31.44
32.15

Front half 31.44s · back half 32.15s

100 Breaststroke SCY 1:21.00

38.57
42.43

Front half 38.57s · back half 42.43s

100 Butterfly SCY 1:04.28

28.87
35.41

Front half 28.87s · back half 35.41s

200 Individual Medley SCY 2:23.94

30.93
38.76
43.47
30.78

Front half 69.69s · back half 74.25s

100 Backstroke LCM 1:14.19

36.15
38.04

Front half 36.15s · back half 38.04s

200 Backstroke LCM 2:50.04

38.49
42.55
44.75
44.25

Front half 81.04s · back half 89.00s

100 Breaststroke LCM 1:30.15

43.16
46.99

Front half 43.16s · back half 46.99s

200 Individual Medley LCM 2:43.90

77.98
85.92

Front half 77.98s · back half 85.92s

Progression

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

50 Freestyle SCY 24.47 12 swims
100 Freestyle SCY 55.11 10 swims
200 Freestyle SCY 1:59.60 7 swims
50 Backstroke SCY 31.46 2 swims
100 Backstroke SCY 1:03.59 12 swims
200 Backstroke SCY 2:35.74 1 swim
100 Breaststroke SCY 1:21.00 5 swims
50 Butterfly SCY 31.14 1 swim
100 Butterfly SCY 1:04.28 6 swims
200 Individual Medley SCY 2:23.94 5 swims
50 Freestyle LCM 28.39 8 swims
100 Freestyle LCM 1:02.12 8 swims
200 Freestyle LCM 2:17.72 8 swims
100 Backstroke LCM 1:14.19 6 swims
200 Backstroke LCM 2:50.04 2 swims
50 Breaststroke LCM 40.61 1 swim
100 Breaststroke LCM 1:30.15 2 swims
100 Butterfly LCM 1:11.29 6 swims
200 Individual Medley LCM 2:43.90 4 swims