swimstats

Nathan Chen

Mage 12SIBAY

28 plausible swims · 8 meets · 2025-01-01 → 2026-06-07

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 34.15 +1.36s to B 2026-01-10 2026 SI BAY 14U Rising Stars 3 fast pool
100 Freestyle SCY 1:24.44 +12.95s to B 2026-01-10 2026 SI BAY 14U Rising Stars 3 fast pool
50 Backstroke SCY 44.98 +6.49s to B 2026-02-22 2026 SI JBST Age Group Champs Max venue
50 Breaststroke SCY 46.67 +3.18s to B 2026-02-22 2026 SI JBST Age Group Champs Max venue
100 Breaststroke SCY 1:40.49 +7.90s to B 2026-02-21 2026 SI JBST Age Group Champs Max venue
50 Butterfly SCY 51.27 +14.18s to B 2026-01-10 2026 SI BAY 14U Rising Stars 3 fast pool
100 Individual Medley SCY 1:31.99 +10.10s to B 2026-02-21 2026 SI JBST Age Group Champs Max venue
50 Freestyle LCM 38.22 +0.83s to B 2026-01-01 FAST - CA
100 Freestyle LCM 1:28.49 +6.40s to B 2026-06-07 2026 SI JBST SPLASH & DASH MAX slow pool
50 Backstroke LCM 47.86 +3.27s to B 2026-01-01 FAST - CA
50 Breaststroke LCM 49.19 B+3.30s to BB 2026-06-07 2026 SI JBST SPLASH & DASH MAX slow pool
100 Breaststroke LCM 1:46.38 B+6.79s to BB 2026-01-01 FAST - CA
50 Butterfly LCM 47.85 +5.86s to B 2026-01-01 FAST - CA

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.

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

LegCourseTime StartRelayDateMeet
100 Freestyle SCY 1:28.22 flying 400 Free Relay (leg 4) 2025-12-20 2025 SI Winter 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 11-12 · LCM

409 points (1/5 events — incomplete)

EventTime Points
100 BR LCM 1:46.38 409
400 FR LCM— 0
100 BK LCM— 0
100 FL LCM— 0
200 IM LCM— 0

IMR 11-12 · SCY

986 points (4/5 events — incomplete)

EventTime Points
50 BK SCY 44.98 246
50 BR SCY 46.67 307
50 FL SCY 51.27 141
100 IM SCY 1:31.99 292
200 FR SCY— 0

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

PR splits

100 Breaststroke SCY 1:40.49

47.99
52.50

Front half 47.99s · back half 52.50s

100 Individual Medley SCY 1:31.99

44.67
47.32

Front half 44.67s · back half 47.32s

Progression

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

50 Freestyle SCY 34.15 4 swims
100 Freestyle SCY 1:24.44 2 swims
50 Backstroke SCY 44.98 1 swim
50 Breaststroke SCY 46.67 2 swims
100 Breaststroke SCY 1:40.49 2 swims
50 Butterfly SCY 51.27 2 swims
100 Individual Medley SCY 1:31.99 1 swim
50 Freestyle LCM 38.22 3 swims
100 Freestyle LCM 1:28.49 1 swim
50 Backstroke LCM 47.86 4 swims
50 Breaststroke LCM 49.19 1 swim
100 Breaststroke LCM 1:46.38 2 swims
50 Butterfly LCM 47.85 3 swims